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User Manual
Version 1.0, English
50403020
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4English DISTO
Congratulations on your purchase of a DISTO.
DISTO classic4/ lite4 hand-held laser meter
Product identification
The identification label for your product is fitted onthe back. The serial number is in the battery
compartment. Enter model and serial number inyour User Manual, and always refer to thisinformation when you need to contact youragency orservice centre.
Model: DISTO
Serial no.:
This User Manual containsimportant safety instructions (seesection "Safety Instructions") as well
as instructions on use of the instrument.Read carefully through the User Manual before youswitch on the instrument.
Symbols used
The symbols used in this Ufollowing meanings:
DANGER:
Indicates an imminsituation which, if not avoidor serious injury.
WARNING:
Indicates a potentor an unintended use whicresult in death or serious in
CAUTION:
Indicates a potentor an unintended use whicresult in minor injury and/ofinancial and environmenta
Important paragrapadhered to in pract
product to be used in a tecefficient manner.
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Contents
Introduction ..................................................................... 6Special features ................................................................... 6
Area of applicability ............................................................ 6
Types of Instrument, Keypad ........................................ 7DISTO classic4 ..................................................................... 7
DISTO lite4 ............................................................................ 7
Display .............................................................................. 8
How to Use the Instrument ............................................ 8Inserting / replacing the batteries ...................................... 8
Switching on DISTO ............................................................ 9
Switching off DISTO ............................................................ 9
Clear key ( ) ............................................... .................. 10
Measuring .......................................................................... 10
Distance measurement .................................................. 10
Hints for measuring ........................................................ 10
Continuous measurement (tracking) .............................. 11
Laser in continuous operation...... ................................... 11
Time delay release ......................................................... 12
Calculations ....................................................................... 12
Area ............................................................................... 12
Volume ........................................................................... 12
Partial heights, chain values ........................................... 13
Doubling a measured value ............................................ 14
Menu / settings .................................................................. 14
Selecting reference setting ............................................. 15
Selecting units ................................................... ............. 16
Measure with offset (only classic4) ................................ 16
Switching on/off "Beep" (only classic4) ........................... 17
Resetting (only classic4) ................................................. 18
Functions (only classic4
) ................................................... 18Fnc1 = Save values (constants) ..................................... 18
Recalling the constant .................................................... 18
Recall last measured value (stack) ................................. 19
Fnc2 = Tracking - Maximum ........................................... 19
Fnc3 = Tracking - Minimum ............................................ 20
Fnc4 = Pythagoras, height measurement ....................... 20
User Information ............................................................ 22Range ................................................................................. 22
Rough surfaces ................................................................. 22
Transparent surfaces ........................................................ 22
Wet, smooth or high-gloss surfaces ................................ 22Inclined, round surfaces ................................................... 23
Free-handed aiming .......................................................... 23
In the field .......................................................................... 23
Set mark for viewfinder ..................................................... 23
Illumination ........................................................................ 24
Accessories ....................................................................... 24
Safety Instructions ..............Use of the instrument ........
Permitted use .................
Prohibited uses ..............
Limits to use ......................
Areas of responsibility ......
Hazards in use ...................Important hazards in use
Laser classification ...........
Labelling..... .....................
DISTO with telescopic view
Electromagnetic compatibi
FCC statement (applic. in U
Care and Storage .................Care ....................................
Storage ...............................
Transport ...........................
Despatch ............................
Technical Data .....................Remarks on measuring acc
Accuracy tests ...................
Message Codes ...................
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6English DISTO
This User Manual is for theDISTO lite4.
General descriptions are
Sections only valid for a spmarked accordingly.General illustrations are ofgenerally the name DISTO
The electronic DISTO classic4 / lite4 belong to anew generation of hand-held laser meters. Provenconstruction combined with modern functionsmake it possible to use it efficiently and for exactmeasuring. In this way productivity increases and
costs are lowered.
Innovations like automatic release or maximumtracking help to make daily surveying tasks easier.The instrument is suited for width and distancemeasuring as well as calculating areas, volumesand segments.
The operation of the instrument's functions can belearned easily in a short space of time.
Easy and quick to learn. Interactive keys; with large and clear LCD Small, light-weight and easy-to-use Trouble free quick measuring with integrated
visible laser beam
Integrated calculation functions Built to withstand the hazards of a constructionsite
Selectable measuring units
Introduction Special features Area of applicabil
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Types of Instrument, Keypad
DISTO classic4 DISTO lite4
1 On key and measurement key2 Plus / MENU: function forward3 Minus / MENU: function backwards4 Multiply, automatic release5 Equals, enter
1 On key and measurement key2 Plus / MENU: function forward3 Minus / MENU: function backwards4 Multiply, automatic release
cld-z01
cld-z03
cld-z04
1
3
4
5
9
7
2
68
6 Menu / Function 2/37 Save, Stack8 Functions9 Clear/Clear Entry, Normal Mode
5 Equals, en6 Menu7 Clear/Clea
6
2
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Display How to Use the In
Inserting / replaci
1. Simultaneously depressbattery cover. Remove b
2. Replace batteries.
If battery voltage issymbol appears on
batteries.
Always replace thset!
c
ld-z07
cld-z08
1
2
3
54
8
6
7
15 14 13 12 11 10 9
6
161 Laser "on"2 Measurement reference (rear, stand, front)3 Reset instrument4 Display of the mathematical operators rsp.
math. sign
5 Main display (e.g. measured distance)6 Units (m(mm), m(cm), ft, ft in 1/16, in, in 1/16)7 Time symbol for time delay release8 Auxiliary display, (e.g. previous value)9 Battery display
10 Pythagoras funct ion11 Recall stored constant
(max. 10)12 Recal l last 15 values13 Beep (On/Off)14 Information
15 Contact customer service16 Offset set ting
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Switching on DISTO
The laser is switched on automatically, this symbolstarts to blink in the display.
After 30 seconds the laser shuts off automatically.To reactivate the laser press .
Briefly press (base functions, for all keys).
Switching off DIS
After a distance measur
Press both symbols
In Measuring and Track
displayed):(Clear), press
After 90 seconds tautomatically if:
in this time no key was continuous measuring w the instrument was not
measuring mode.
cld-z10
Do not use old and new batteries together. Do not use batteries from different
manufacturers or batteries of different types. For type of battery, refer to Technical Data.
Fit batteries the right way round.
3. Replace battery cover. Push in and listen forlocking click sound.
To save power, the DISTO switches offautomatically after 90 seconds if no key is pressed.
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DISTO lite4 featurefor measuring from
Distance measurement
Measuring
The result is displayed immediately in the selectedunit.
With the instrument on and the laser off, itis in "Normal Mode".
cld-z11
Switch on instrument. The laser is alsoswitched on, the instrument is in "PointingMode".
A second press starts the distancemeasurement, "diSt" appears briefly onthe display.
Hints for measuringThe clear key resets the DISTO to Normal Mode,i.e. it is set to zero (= Clear).
The clear key may be pressed before or after ameasurement / calculation. In Menu Mode it resets
to Normal Mode.
During a function (e.g. during calculations, whilesetting up menus) the last selected function isdeleted (= Clear Entry), if it had not been
executed by pressing .
Clear key ( )
Measuring from edge
cld
-z47
The DISTO lite4 is"marking-off ops." distances.
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x O F Ff
M E N U
CDIST
O N x O F
F
f
M E N U
CDIST
O N
In Normal Mode, psymbol is continuolong "beep" is hear
A distance measur
time the key is pre
Activates continuo
needs it (
Switches off continuous la
During continuous
laser does not swi
Press to switch on laser.
Press and hold until the symbol lights uppermanently and "trc" appears briefly.
The next press starts a distancemeasurement and the result is displayed.DISTO then resets to Normal Mode.
Press / / to end Tracking Mode.
Example:Stake off distance
cld-z13
Continuous measurement (tracking) Laser in continuous ope
Measuring from flat planes
cld-z12
For stable measuring turn bumper 90 andplace instrument on the flat plane (only
classic4).
cld-z30
Measuring from corners
Precise measuring from corners notpossible with DISTO lite4 !
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Calculations
Area
Measurement x measurement = area
Measurement (e.g. 3.500m)
Multiplication
Measurement (e.g. 8.375m)
= Area (e.g. 29.313m)
Volume
Measurement x measurem= Volume
Measurement (e.g
Multiplication
Measurement (e.g
Multiplication
Measurement (e.g
= Volume (e.g. 66.
cld-z15
Switch on laser (Pointing Mode).
Press and hold until desired time delay hasbeen reached.
On the screen it shows " " (delay) and a number(delay in seconds) appears on the display.
As long as the key is pressed, the delay isincreased (max. 60 seconds).Once the key is released, the remaining seconds(59, 58, 57 ...) are displayed, until measuring. Thelast 5 secs. are counted down with a "beep".
After the last "beep", the measurement is made,the value displayed.
cld-z14
Time delay release
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13DISTO classic4 / lite4 -1.0.0en
In the same way c(= any amount of dand sums of areaup.
During calculations( ) is available has not been exec
The volume can be calculated following anarea calculation(... = area, , , = volume).
Measurement + measurement = sum , e.g. ofpartial heights
Measurement
Addition
Measurement
= Sum
Measurement - measurement = difference
Measurement
Subtraction
Measurement
= Difference
cld-z16
Partial heights, chain values
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14English DISTO
It is easy to double the measured values, e.g. todetermine the length of the walls in a room:
Measurement
Addition
Measurement
= Sum (= half the length of the walls)
Repeat, double measured value(= circumference).
cld-z17
Doubling a measured value Menu / settings
With the help of the menu the user can configurethe instrument to his/her own specific and personal
needs.
Possible settings:
DISTO classic4
1 Setting reference
2 Selecting measuring un
cld-z18a
DISTO lite4
1 Setting reference
2 Measure with offset (add/reduce)
3 Selecting measuring units
4 Beep (on / off)5 Reset
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xOFF
f MENU
C
DIST
ON
xOFF
f MENU
C
DIST
ON
Calling up a menu:
Switch on DISTO.
Set to normal mode.
Call up menu, is displayed.
Press until desired menu screen appears
or
switch between the various menus.
Confirm selection, activate menu point.
Make desired selection.
Confirm setting, reset to Normal Mode.
"Clear Entry" may also be used (e.g. tocancel a selection).
Permanent reference setting
Press until and appear in the
display.
Confirm selection, starts to blink.
Select reference setting.
Confirm selection, reset to Normal Mode.All subsequent measurements are inreference to this setting !
front stand
Selecting reference setting
Possible settings:
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Reference setting only for one measurement
Switch on DISTO, starts to blink.
Select reference setting:
front , stand , rear .
Start measurement.
The result is displayed with a blinking"reference setting" as indication that "rearreference" is not selected.
Press until the desired unit (e.g. 0.000m)and are displayed.
Confirm selection, the selected unit starts toblink.
Select unit.
Confirm selection, reset to Normal Mode.
Selectable units: m (mm) = 0.000 m
m (cm) = 0.00 m
ft = 0.00 ft
ft in 1/16 = 0 ft 0 in1/16 in = 0.0 in
in 1/16 = 0 in1/16
cld-z23
Press until an
Confirm function ,
Set desired offs
(e.g. 0.015m); q/ pressed. press .Offset can be pos
(reduce)!
Selecting units Measure with offset (onlySelecting reference setting, contd.
cld-z31
At the back of the instrument is a 1/4"
camera thread.
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After making or changing settings, it isimperative that a test measurement is
performed.
Using the offset edge measurementscan be made correctly.
Input of offset: -22mm (-0.022m). Otherwise,wrong measurements are the result.
cld-z
36
Measure with offset (only classic4), contd.
Press until andisplay.
Confirm selection, appears in the disp
Select on ( )
Confirm selection,
With Beep switchepermanently displa
Switching on/off "Beep
Confirm selection (or cancel with , ).
To indicate that an offset has been set, thesymbol is displayed continuously (offset z 0).
Measure. Subject to set offset, the
measured results are displayed.
Using this function you can measure withrough size, as an example !
Please make this a rule:After rough size measurement always setDISTO to offset 0.000 :Call function as described, then , .
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18English DISTO
Measure and calculate desired values (e.g. heightof room, area, volume).
Press until and start to blink.
If desired, adjust value(e.g. from 2.297m to 2.300m) - for larger
steps additionally press .
With the unit can be adjusted. The
adjustment is for m, m and m rsp. ft, ftand ft only.
Press, and a number (=memory
location) starts to blink.
Select memory location.
Save value.
Press briefly, afirst constant memdisplayed (e.g. 2.3
Select desired v
Confirm, value is recalculating an area
Cancel function.
Functions (only classic4)
Fnc1 = Save values (constants)
Resetting
Press until and appear in thedisplay.
Confirm selection, starts blinking andis permanently displayed.
Select components to be reset. Tochoose from:
stack and constant (are deleted)or
only stack (is deleted)or
stack and constant (are deleted) and
reference (rear) and offset (=0) and Beep (On) and unit (meter)
Selected components are reset, back toMeasuring Mode.
(only classic4) Recalling the constant
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Press briefly, and the contents of thefirst constant memory location aredisplayed.
Press again, stack is activated and isdisplayed.
Select desired value (max. 15!).
Confirm, value is ready to be used for (e.g.calculating an area) or
Cancel function.
Recall last measured value (stack)
Press, and are displayed
or
switch between the functions.
Confirm function. Laser is on (PointingMode).
Aim with the DISTO at a point to the left /right of the corner.
cld-z20
Fnc2 = Tracking - Maximum
Determine maximum dimension, e.g. todetermine the (room) diagonal.
Activate continuoubrief press.
Slowly rotate the Dpast the corner.
Stop cont
The largest meas(e.g. 12.314m = di
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20English DISTO
Move the DISTO a large amount around thetarget point.
Stop continuous measurement.
The smallest measurement is displayed(e.g.. 3.215m = height of the room).
Both planes (e.g. floor/ceiling, walls) mustbe nearly parallel to each other.
Press repeatedly until andappear.
Confirm function. Laser is on (PointingMode).
Aim DISTO approximately at the targetpoint.
Activate continuous measurement with abrief press.
cld-z25
Fnc3 = Tracking - Minimum Fnc4 = Pythagoras, heig
Determine the minimum dimension, e.g. ceilingheight, without having to precisely align to thenormal.
cld-z21
Long press until
on the display.
Confirm function, "display.
Aim at the upper p
Trigger measureminstrument!
Accept value, "2 --
Point the DISTO a(2).
Long press, a minimeasurement is in
Press briefly, atriggered.
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21DISTO classic4 / lite4 -1.0.0en
cld-z26 Determination with
three measured points.
Aim at third point.
Trigger measurement.
End function, the height and distance aredisplayed from three measurements(Pythagoras).
Fnc4 = Pythagoras, ... contd.
Accept value, "3 --
Point the DISTO a(3).
Long press, a minimeasurement is in
Move the DISTO aideal measuremen
Stop conti
End function, the hpoint 1 and 2 (Pyt
The measuring seadhered to in any
Function can also measurements!
All three (two) poin(horizontal) line in
Press until and appear on the
display.
Confirm function, "1 ---"appears on the
display.Aim at the upper point. (1).
Trigger measurement; do not move theinstrument!
Accept value, "2 ---" appears on the display.
Aim at second point.(2).
Trigger measurement; do not move theinstrument!
cld-z32 Height determination
between point 1 andpoint 2 with threemeasured points.
Alternative:Move the DISTO a large amount around theideal measurement point.
Stop of continuous measurement.
Accept value, "3 ---" appears on the display.
End function, the height and distance aredisplayed from two measurements (Pytha-goras).
Or:
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22English DISTO
With each of the distance measuring youcan:
make a simple distance measuring ( ) or
use a value form stack ( ) or
continuous measurement minimum ( )
or
a measurement with time delay release ( ).
For short distances, a good base behindthe instrument is sufficient for mechanical
alignment.
You will obtain the best results if the DISTO
is rotated around a fixed point (rear edge,
thread position) and the axis of the laser beampasses through this axis. So do not simply place on
a camera tripod, in this case the axis of the laser
beam is approx. 70 to 100mm above the centre ofrotation, this can lead to significant variations in the
height.
User Information
Range
In daylight (outdoors) always work with laserviewfinder. If necessary, shade the target.
Increased ranges:At night, at dusk and when target area is in theshade.
Reduced range:The range of the DISTO can be reduced by matt,green and blue surfaces (also by trees or plants).
Rough surfaces
On a rough surface (e.g. coarse plaster) a meanvalue is indicated.
To avoid measuring to the bottom of plaster joints:Use target plate, 3M "Post-it" or board.
Transparent surfac
To avoid measuring errorscolorless liquids (like wateFor materials and liquids u
take a trial measurement.
When aiming throuthere are several o
erroneous measurements
Wet, smooth or hig
1. Aiming at a "flat" angle
The DISTO may receive(error message E 255).2. If aiming at a right angle
a signal that is too stron
Fnc4 = Pythagoras, ... contd.
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23DISTO classic4 / lite4 -1.0.0en
(approx. 20 - 40 m):Use target plate 563875 (DIN C6) rsp. 723385 (DIN
A4) or:Make your own target plates of any size:
Attach the telescopic viewfinder, and check it isengaged by applying pressure from the side.
Setting the telescopic viewfinder
1. Keep pressed, laser on continously ( ).
2. Set up indoors, 5m, 10m or 30m from a wall.
3. Turn eyepiece slowly until crosshair and laserspot are sharply focused.
In the field
4. Use the two screws (side, height) to adjust the
laser spot.
Example: You are positioned exactly 5m in front ofa wall (approx. 0.5m). The laser spot must be inthe centre, exactly beside the 5m distance mark.In the field check adjustment from time to time. (inthe half-shade about 10-15m).
Aim with and without the red filter in position(visibility is increased).
Free-handed aiming
Can be measured with the laser:Requirement: There is enough area on the targetsurface for the laser spot.
Inclined, round surfaces
cld-z27
* Manufacturer 3MCompany
'LVWQ G
WR P ZKLWH 6.R W. K &DO
PEURZQ (QJLQHHULQJ*UDGH
Set mark for viewf
Setting mark for adjustingthe telescopic viewfinder.
Please copy the abovediagram 1:1.
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24English DISTO
Accessories
Telescopic viewer (667478)For simple aiming operations, out in the open. Forhighly accurate aiming while far away from theobject. The laser spot on the object can be seenparticularly well in shaded areas after slewing inthe red filter.
Wrist strap (667491) safeguard against dropping, prevents injury.
Attach to fastening thread (1/4").Adjust loop: So that DISTO does not slip from the wrist. Loop does not need to be re-adjusted every time.
Shoulder strap (563879)Fasten to hand loop clip; adjustable over a widerange.
DISTO-clip (714871)With this clip your DISTO hangs comfortably onyour belt or waistband and is easily reached.
Carrying pouch (667169)Large black carrying pouchprotection.Compartments for user maviewfinder and palmtop co
Level (667158)For horizontal and vertical wall is highly uneven.
Aiming accuracy about 1,measuring error of only abDISTO with this level is no
Target plate 563875 (DIN
723385 (DIN A4)For poorly reflecting surfac40 - 50m, over this distancthe special reflection layerUp to over 100m: Combinlarge target area.
Holster (667489)For max. protection. Fitted
Illumination
Thanks to fluorescence, you can also see yourresult in the dark. If the display is placed under alight source (daylight, artificial light), it will
illuminate for more than 15 minutes! Withoutconsuming any power!
cld-z34
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WARNING:
Prohibited use canmalfunction, and material It is the task of the person instrument to inform the ushow to counteract them. Toperated until the user has
Limits to use
See section "Tech
Environment:Suitable for use in an atmopermanent human habitatiaggressive or explosive enUse in rain is permissible f
Safety Instructions
The following directions should enable the personresponsible for the DISTO, and the person whoactually uses the instrument, to anticipate andavoid operational hazards.The person responsible for the instrument mustensure that all users understand these directions
and adhere to them.
Use of the instrument
Permitted use
The permitted uses of the DISTO are the following: Measuring distances Computing areas and volumes Storing measurements
Using the instrument without instruction Using outside the stated limits Deactivation of safety systems and removal of
explanatory and hazard labels Opening of the equipment by using tools
(screwdrivers etc.), as far as not specifically
permitted for certain cases Carrying out modification or conversion of the
product Use after misappropriation Use of accessories from other manufacturers
without the express approval of LeicaGeosystems
Deliberate or irresponsible behaviour onscaffolding, when using ladders, whenmeasuring near machines which are running, or
near parts of machines or installations which areunprotected Aiming directly into the sun Deliberate dazzling of third parties; also in the
dark Inadequate safeguards at the surveying site (e.g.
when measuring on roads, etc.)
Prohibited uses
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Areas of responsibility
Responsibilities of the manufacturer of theoriginal equipment Leica Geosystems AG,CH-9435 Heerbrugg (Leica Geosystems):Leica Geosystems is responsible for supplying theproduct, including the User Manual and originalaccessories, in a completely safe condition.
Responsibilities of the manufacturer of non-Leica accessories:
The manufacturers of non-LeicaGeosystems accessories for the DISTO are
responsible for developing, implementing andcommunicating safety concepts for their products.They are also responsible for the effectiveness ofthese safety concepts in combination with theLeica Geosystems equipment.
Responsibilities of the person in charge of theinstrument:
WARNING:
The person responsible for the instrumentmust ensure that the equipment is used in
accordance with the instructions. This person isalso accountable for the deployment of personneland for their training and for the safety of theequipment when in use.The person in charge of the instrument has thefollowing duties: To understand the safety instructions on the
product and the instructions in the User Manual. To be familiar with local safety regulations
relating to accident prevention.
To inform Leica Geosystems immediately if theequipment becomes unsafe.
Hazards in use
Important hazards in us
WARNING:
The absence of insinadequate imparting of inincorrect or prohibited useaccidents with far-reachingfinancial and environmentaPrecautions:
All users must follow the sby the manufacturer and thperson responsible for the
CAUTION:
Watch out for erronmeasurements if the instru
has been dropped or has bmodified.Precautions:Carry out periodic test meafter the instrument has beuse, and before, during anmeasurements.Make sure the DISTO optithere is no mechanical dam
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/ lite4
-1.0.0en
CAUTION:
If you do not intendfor a long time, the batterieyour equipment!Precautions:Remove batteries if you ar
instrument for an extended
CAUTION:
If the accessories are not properly secured, asubjected to mechanical setc.), the equipment may bdevices may be ineffectiveinjury.Precautions:
When setting-up the instruaccessories (e.g. telescopshoulder strap, etc.) are cosecured and locked in pos
Avoid subjecting the equipshock.
CAUTION:
In using the instruments for distancemeasurements or for positioning moving objects,(e.g. cranes, building equipment, platforms etc.)unforseen events may cause erroneousmeasurements.
Precautions:Only use this product as a measuring sensor, notas a control device.Your system must beconfigured and operated in such a way, that in caseof an erroneous measurement, malfunction of thedevice or power failure due to installed safetymeasures (e.g. safety limit switch), it is assuredthat no damage will occur.
CAUTION:
On sending the instrument, or on thedisposal of batteries that are not fully discharged, afire could be caused by improper treatment.Precautions:Remove the batteries from their compartmentbefore sending the instrument. Dispose of batteriesonly if they are completely discharged (operate theinstrument in tracking mode, until batteries arecompletely discharged).
CAUTION:
Take care when aiming the DISTO directlyinto the sun. The receiver lens acts as amagnifying glass and can thus cause damage tothe instrument internals.Precautions:
Do not aim the DISTO directly at the sun.
WARNING:
Insufficient securing or marking of yourmeasurement site could cause a dangeroussituation on the public highway, building site, or inthe factory etc.Precautions:
Always ensure your measurement site isappropriately secured. Obey the local accident
prevention regulations, and road safety rules, at alltimes.
Important hazards in use, contd.
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WARNING:
If the equipment is improperly disposed of,the following can happen: If plastic parts are burnt, poisonous gases are
produced which may impair health. If batteries are damaged or overheated, they can
explode and cause poisoning, burning, corrosionor environmental contamination.
By disposing of the equipment irresponsibly youmay enable unauthorized persons to use it incontravention of the regulations, exposingthemselves and third parties to the risk of severeinjury and contaminating the environment.
Precautions:Dispose of the equipment appropriately inaccordance with the regulations in force in your
country. Always prevent access to the equipmentby unauthorized personnel.
Important hazards in use, contd. Laser classification
The DISTO produces a visible laser beam whichemerges from the front of the instrument.
It is a Class 2 laser product in accordance with: IEC60825-1 : 1993 "Radiation safety of laser
products"
EN60825-1 : 1994 "Radiation safety of laserproducts"
It is a Class II laser product in accordance with: FDA 21CFR Ch.I 1040 : 1988 (US Department
of Health and Human Service, Code of FederalRegulations)
Laser Class 2/II products:Do not stare into the laser beam or direct it towardsother people unnecessarily. Eye protection is
normally afforded by aversion responses includingthe blink reflex.
WARNING:
Looking directly intaids (e.g. binoculars, teleshazardous.Precautions:Do not look directly into th
CAUTION:
Looking into the lahazardous to the eyes.Precautions:Do not look into the laser blaser beam is aimed above(particularly with fixed instetc..)
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CAUTION:
Allow only authorizservice workshops
instruments.
Laser beam
outlet
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Maximum radiant power : 0.95mW
Emitted wavelength : 620-690nm
Standard applied : EN60825-1:1994
IEC60825-1 : 1993
Labelling
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DISTO with telescopic viewfinder
WARNING:
Looking right at the reflected laser beam ina DISTO operated with telescopic viewfinder couldbe dangerous when you aim at areas that reflectlike a mirror, or emit reflections unexpectedly (e.g.a mirror, metallic surfaces, windows, prisms,
liquids).Precautions:If you are using a telescopic viewfinder, do not aimat areas that are reflective like a mirror, or whichcould produce unintended reflections (e.g. mirrors,metallic surfaces, windows, prisms).
Electromagnetic compatibility (EMC)
The term "electromagnetic compatibility" is taken tomean the capability of the DISTO to functionsmoothly in an environment where electromagneticradiation and electrostatic discharges are present,and without causing electromagnetic interferenceto other equipment.
WARNING:
Electromagnetic radiation can causeinterference in other equipment.
Although the DISTO meets the strict regulationsand standards which are in force in this respect,Leica Geosystems cannot completely exclude thepossibility that interference may be caused to otherequipment.
CAUTION:
Interference causeradiation can result in the measurements being exce
Although the DISTO meetsand standards which are in
Leica Geosystems cannotpossibility that interferenceDISTO by very intensive efor instance near radio tradiesel generators etc.Under such conditions, chfor their plausibility.
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FCC statement (applic. in U.S.)
WARNING:
This equipment has been tested and foundto comply with the limits for a Class B digitaldevice, pursuant to part 15 of the FCC Rules.These limits are designed to provide reasonableprotection against harmful interference in a
residential installation.This equipment generates, uses and can radiateradio frequency energy and, if not installed andused in accordance with the instructions, maycause harmful interference to radiocommunications.
However, there is no guarantee that interferencewill not occur in a particular installation.
If this equipment does cause harmful interferenceto radio or television reception, which can bedetermined by turning the equipment off and on,the user is encouraged to try to correct theinterference by one or more of the followingmeasures: Reorient or relocate the receiving antenna. Increase the separation between the equipment
and receiver.
Connect the equipment into an outlet on a circuitdifferent from that to which the receiver isconnected.
Consult the dealer or an experienced radio/TVtechnician for help.
WARNING:Changes or modifications not expressly
approved by Leica Geosystems for compliancecould void the users authority to operate theequipment.
Product labelling:
This device complies with part 15 of the FCCRules. Operation is subject to the following twoconditions: (1) This device may not cause harmfulinterference, and (2) this device must accept anyinterference received, including interference thatmay cause undesired operation.
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32English DISTO
Care and Storage
Care
Clean and dry
Blow away dust from lenses. Do not touch glass with fingers. Only clean with a soft cloth; if necessary, damp
with pure alcohol.
Do not use other cleaning agents. Plastic partscould be affected.Wipe off splashes of cement, plaster, etc. asquickly as possible, using water and a damp clothor sponge. Look after the optical surfaces with thesame care that you would apply to spectacles,cameras and field glasses.
Storage
Please respect the temperature limits,specially during summer when storing the
equipment inside a vehicle.(-40C to +70C / -40F to +158F)
Unpack instruments and accessories thathave become wet. Dry off the instrument,
container and accessories (at maximum 40 C /108F) and clean. Only repack the equipment whenit is completely dry.
After longer periods of storage or transportcarry out a check measurement before
using the equipment.
If the indoor and outdoor temperatures are verydifferent, allow time for the instrument to adapt.
If the DISTO is removed from an air-conditionedroom and exposed to warm damp air, theinstrument and the optics will fog over. To reduce
this effect, cover the instrument with a cloth andallow it to adapt slowly to the new conditions asyou would for a camera or a video.
Transport
The holster protects the Dmechanical shock, but not It is recommended that yoDISTO in the holster or ancontainer or packaging.
Do not exceed the temperBefore embarking on a fligare permitted the DISTO a
Despatch
Always use the oripackaging (holster
sending the instrument.You must remove the batteinstrument without batteri
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Technical Data
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Possible method of calcdeviation s:When using a computer wif you use the program Excmean value and the stadirectly from the 10 measu
Formula for the standard d
Calculation using the progOn the Insert menu, choosSelect category: Statistics within the Function AssistaDepending on the version language used, the names
n ... number of measuxi... individual value of
... mean value of a s
Remarks on measuring accuracy
Range increases, the better the laserlight isreflected from the target area (diffuse, notreflective), and the brighter the laserpoint iscompared to the surrounding luminosity (indoors,dawn).From approx. 40 - 50 m use target plate, brown
side (page 24)
* The measuring accuracy corresponds to the ISO-recommendation ISO/R 1938-1971 with a statisticalconfidence level of 95% (i.e. twice the standarddeviation). The typical measuring accuracy relatesto average conditions for measuring within thespecified range. It is not valid for the user functions
Fnc 2, 3, 4, and is not valid in the Tracking Mode.The maximum measuring error relates tounfavourable conditions such as: highly-reflecting surfaces (e.g. reflector tapes), operating at the limits of the permitted
temperature range, adaption to ambienttemperature interrupted. (page 32)
very bright ambient conditions, strong heatshimmer and can be up to 5 mm (twice thestandard deviation).
** At long range 30 ppm ( 3 mm/100 m) plusshort range error.
A M C d
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Accuracy tests Message Codes
In case of messages sseveral times and check if displayed. Then call servicmessage displayed.Reset message with oswitch off).
Accuracy tests on the DISTO for users certified toISO 900...:
You can perform your own accuracy tests on theDISTO to meet the requirements of ISO 900... formeasuring equipment.
Take a fixed, invariable, and convenientlyaccessible distance of about 1m to 10m, such asthe width of a window opening or of a room.Measure it ten times.
Determine the magnitude of this distance with ameans of measurement that is monitored by anational, accredited calibration institute (traceabilityback to national standards).
Determine the amount that the measurements varyfrom the nominal distance, and compute thestandard deviation (page 34).
Record the standard deviation and set a date forthe next test.
Repeat these tests at frequent and regularintervals, also before and after importantmeasuring jobs.
Affix an adhesive label on the DISTO for accuracytests of measuring equipment and keep a detailed
record of the test procedure.
Your DISTO meets the specified accuracy ifstandard deviation remains smaller or equal to thetypical specified value.
A DISTO whose measuring accuracy has beentested over a test distance works within thespecified tolerance over the entire distance andtemperature range specified in the manual.
Please note the technical data and the descriptionof measuring accuracy in the manual (page 34).
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TQM
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Leica Geosystems AG, Heerbrugg, Switzerlandhas been certified as being equipped with a
quality system which meets the International
Standards of Quality Management and Quality
Systems (ISO standard 9001) and Environmen-
tal Management Systems (ISO standard 14001).
Total Quality ManagemenOur commitment to total
Ask your local Leica Geos
information about our TQM
TQM
Pat No
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Printed in Switzerland - Copyright Leica Geosystems AG,
Heerbrugg, Switzerland 2001
Translation of original text (723881-1.0.0de)
723865-1.0.0en/fr/es/pt
Leica Geosy
CH-9435 H
(Switze
Phone +41 7
Fax +41 71
www.leica-geo
Pat. No.
US 5,815,251
US 5,949,531
EP 0738 899
EP 0932 835