Leica DISTO classic User Manual
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Leica DISTO classic User Manual

Hand-held laser meter
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  • Page 1 "...
  • Page 2 This User Manual contains important safety instructions (see section "Safety Instructions") as well as instructions on use of the instrument. Read carefully through the User Manual before you switch on the instrument. The identification label for your product is fitted on the back. The serial number is in the battery compartment.
  • Page 3 The symbols used in this User Manual have the following meanings: DANGER: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. WARNING: Indicates a potentially hazardous situation or an unintended use which, if not avoided, could result in death or serious injury.
  • Page 4 Press a key briefly (press/release!) Press two keys simultaneously "Double-Click" (Press the same key twice) Press for a certain period Display, e.g. "Set"...
  • Page 5 Open Instrument ........8 Insert Batteries ........10 Display ............. 12 Keypad ............. 13 ON Key and Measurement Key ..14 Measuring .......... 14 Continuous measurement (Tracking) . 15 Laser in continuous operation ..... 15 Plus/Minus Key ........16 Quick switching off ......16 In roll mode .........

  • Page 6: User Information

    Function Key ........27 Recall last measured value (stack) ..27 Saving a constant (Fnc 1) ....28 Recalling the constant ......28 Continuous measurement (Tracking) Maximum (Fnc 2) ....... 29 Continuous measurement (Tracking) Minimum (Fnc 3) ........ 30 Pythagoras, height measurement (Fnc 4) ..........
  • Page 7 Safety Instructions ......... 41 Use of the Instrument ......41 Permitted use ........41 Prohibited uses ........41 Limits to use ........42 Areas of Responsibility ..... 43 Hazards in Use ........44 Laser Classification ......47 Labelling ..........48 DISTO with Telescopic Viewfinder ..
  • Page 8 1. Lay the DISTO onto the User Manual, as shown below. 2. Hold a large coin between both thumbs.
  • Page 9 3. Press coin downwards at an angle against the last notch. 4. By pressing downwards at an angle and to the front simultaneously, the battery compartment can be easily opened.
  • Page 10 5. Remove end cover. 6. Replace batteries. If battery voltage is too low the battery symbol appears on the display. Fit new batteries. Always replace the complete battery set! - Do not use old and new batteries together. - Do not use batteries from different manufacturers or batteries of different types.
  • Page 11 Fit batteries the right way round. 7. Insert end cover as shown below. 8. Close end cover carefully. Must click into place. Never intentionally hit the end cover against a hard object - the battery compartment may be forced open! To save power, the DISTO switches off automatically after 90 seconds if a key is not pressed.
  • Page 12 15 14 13 12 11 10 Laser "on" Measurement reference (rear, front, stand) Reset the instrument to factory settings Display of the mathematical operators Main display (e.g. measured distance) Time symbol for time delay release Units (m / ft / ft in) Auxiliary display, (e.g.

  • Page 13: On Key And Measurement Key

    On key and measurement key Plus, forwards Multiply Functions Menu, normal mode Equals, enter Minus, back...
  • Page 14 Switch on DISTO. In general for all keys: Press and then release (basic function). Switch on laser, the symbol flashes on the display (automatic switch off after 30 sec). A second press starts the distance measurement, "diSt" appears briefly on the display.
  • Page 15 A second, long press (approx. 1 sec) initiates continuous measurement (tracking) mode. "trc" appears on the display. The measurements are repeated in a fraction of a second. Stop. In normal mode, press key until the symbol is continuously illuminated and a long "beep" is heard.
  • Page 16 Press simultaneously – = Quick switch off of the DISTO. In roll mode have the function of a cursor in the memory. (See page 19, 20) Measurement + measurement = sum / e.g. of partial heights Measurement Addition Measurement = Sum Measurement –...
  • Page 17 Measurement x measurement = area Measurement Multiplication Measurement = Area Measurement x measurement x measurement = Volume Sum of areas In the same way, areas/volumes can be added together.
  • Page 18 Switch on Keep pressed On the screen it shows " " (delay) and a number (delay in seconds) appear on the display. As long as the key is kept pressed, the delay is increased. Once the key is released, the seconds 59, 58, 57 ...
  • Page 19 Provides the results of mathematical operations, such as areas, volumes... Settings are confirmed, in the same way as "enter" is used on a PC. Use selected setting or continue with computing using called value. Using , a measured value can be very easily doubled, e.g.
  • Page 20 The Setting key places the DISTO in the normal mode. This key has the same function as "Clear" on a The instrument settings can be changed in roll mode. Reference Offset Units Reset Beep Applies to all settings in roll mode: Switch on DISTO.
  • Page 21 Press a second time and keep pressed until appears and the settings are scrolled through in roll mode. At the required setting, release the key. Are used to change between the different displays. Confirmation of a selection made. Press briefly: the selection made is undone and the instrument returns to normal mode.
  • Page 22 Switch on. Press once, briefly. Press a second time and keep pressed until appears. Press until appears flashing on the display. set desired reference. Confirm. Possible settings: rear front stand After each setting of the reference to "Permanent" we recommend to reset again to measurement from rear edge! Please, make this a rule.
  • Page 23 It is possible to determine dimensions with additional tolerance e.g. by adding an offset to the rear reference Switch on. Press once, briefly. Press a second time and keep pressed until appear. Press until appears flashing on the display. Set required offset for the reference.
  • Page 24 After making or changing settings, it is imperative that a test measurement is performed. Please make this a rule: After termination of the rough size measurement always: - set offset to 0.000 and - set measurement from rear edge Delete: ➜...
  • Page 25 Select unit (m), (feet) or (feet inch). Confirm setting. Switch on. Press once, briefly. Press a second time and keep pressed until appear. Press until appears flashing on the display. Select on ( ) / off ( Confirm setting.
  • Page 26 Switch on. Press once, briefly. Press a second time and keep pressed until appear. Press, is displayed continuously and flashes. Stack is deleted or with: Stack and constant displayed deletes both or with: Activate all settings and with reset to: - Reference rear edge (normal setting), - Offset,...
  • Page 27 Wait until display indicates 0! Only then switch off. Switch on DISTO. Always place instrument in normal mode. Press twice, briefly. The last value saved and the symbol appear on the display. The previous (older) values (max 19!) can be selected. Page back.
  • Page 28 Measure required value (e.g. room height, area, volume). Press until appear on the display. Confirm, flashes. ) Modify value. Save constant. Switch on DISTO. Place instrument in normal mode. Press briefly, and the constant (e.g. ) appears on the display. Confirm, value is available for further use (e.g.
  • Page 29 Determine maximum dimension, e.g. to determine the (room) diagonal. Switch on DISTO. Place instrument in normal mode. Press until appear on the display. Confirm function. Laser is on. Aim with the DISTO at a point to the left of the corner. Activate continuous measurement.
  • Page 30 Determine the Target point minimum dimension, e.g. ceiling height, without having to precisely align to the normal (both axes). Switch on DISTO. Place instrument in normal mode. Press until appear on the display. Confirm function. Aim DISTO approximately at the target point.
  • Page 31 For estimating the height of buildings. Very useful for making measurements from standing position (no bending) if the height is determined with three distances. All three (two) points must lie on a vertical plane on the wall. Please follow the sequence given: Switch on DISTO.
  • Page 32 Trigger measurement; do not move the instrument! Accept value, "2 ---" appears on the display. Point the DISTO approximately horizontally. Long press, a minimum continuous measurement is initiated. Move the DISTO a large amount around the ideal measurement point. Press briefly, continuous measurement is stopped.
  • Page 33 Aim at third point. Trigger measurement. End function, the height and distance are displayed from three measurements (Pythagoras). For short distances, a good base behind the instrument is sufficient for mechanical alignment. After "2 ---", align the DISTO approximately horizontally. You will obtain the best results if the DISTO is rotated around a fixed point (rear edge, thread...

  • Page 34: Measuring

    In daylight (outdoors) always work with laser viewfinder. If necessary, shade the target. Increased ranges: At night, at dusk and when target area is in the shade. Reduced range: The range of the DISTO can be reduced by matt, green and blue surfaces (also by trees or plants) On a rough surface (e.g.
  • Page 35 For reasons of safety and optics, never measure against a clear liquid (e.g. water) or clean glass (not dusty). For materials and liquids unfamiliar to you always take a trial measurement. 1.If aiming at an angle, the laser beam is reflected.
  • Page 36 Suitable for use in an atmosphere appropriate for permanent human habitation. Cannot be used in an aggresive or explosive environment. Use in rain is permissible for limited periods. Please pay attention to our Safety Instruction. (approx. 20 - 40 m): Produce target plate from cardboard etc.
  • Page 37 Can be measured with the laser: Requirement: There is enough area on the target surface for the laser spot. Attach the viewfinder, and check it is engaged by applying pressure from the side. Setting the telescopic viewfinder Keep pressed, laser on continously Set up indoors, 5m, 10m or 30m from a wall.
  • Page 38 Use the two screws (side, height) to adjust the laser spot. Example: You are positioned exactly 5m in front of a wall (approx. ± 0.5m). The laser spot must be in the centre, exactly beside the 5m distance mark. In the field check adjustment from time to time.
  • Page 39 - 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 Fasten to hand loop clip; adjustable over a wide range.
  • Page 40 Up to over 100m Combine several plates to one large target area. For max. protection. Fitted to belt. (Can be reordered separately). Is continuously updated. Ask your Leica Geosystems dealer or visit the DISTO web site in the internet at www.disto.com...

  • Page 41: Volume

    - 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 Leica Geosystems.
  • Page 42 (contd.) - Deliberate or irresponsible behaviour on scaffolding, when using ladders, when measuring near machines which are running, or near parts of machines or installations which are unprotected - Aiming directly into the sun - Deliberate dazzling of third parties; also in the dark WARNING: Prohibited use can lead to injury,...
  • Page 43 - 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 the equipment becomes unsafe.
  • Page 44 Important hazards in use WARNING: The absence of instruction, or the inadequate imparting of instruction, can lead to incorrect or prohibited use, and can give rise to accidents with far- reaching human, material, financial and environmental consequences. Precautions: All users must follow the safety instructions given by the manufacturer and the directions of the person responsible for the instrument.
  • Page 45 WARNING: Insufficient securing or marking of your measurement site could cause a dangerous situation on the public highway, building site, or in the factory etc. Precautions: Always ensure your measurement site is appropriately secured. Obey the local accident prevention regulations, and road safety rules, at all times.
  • Page 46 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, corrosion or environmental contamination.
  • Page 47 The DISTO produces a visible laser beam which emerges from the front of the instrument. It is a Class 2 laser product in accordance with: - IEC825-1: 1993 "Radiation safety of laser products" - EN60825-1: 1994 "Radiation safety of laser products"...
  • Page 48 Ma x . e mi t t e d Po we r : 0 . 9 5 mW c . w. Maximum radiant power : 0.95mW E mi t t e d Wa v e l e n g h t : 6 2 0 - 6 9 0 n m Emitted wavelength : 620-690nm...
  • Page 50 0.95 mW* * Measurement uncertainty: ±5% Maximum radiant power per pulse: 8 mW CAUTION: Allow only authorized Leica Geosystems service workshops to service the instruments. WARNING: Looking right at the reflected laser beam in a DISTO operated with telescopic viewfinder could be dangerous when you aim at areas that reflect like a mirror, or emit reflections unexpectedly (e.g.
  • Page 51 WARNING: Electromagnetic radiation can cause interference in other equipment. Although the DISTO meets the strict regulations and standards which are in force in this respect, Leica Geosystems cannot completely exclude the possibility that interference may be caused to other equipment.
  • Page 52 WARNING: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 53 WARNING: Changes or modifications not expressly approved by Leica Geosystems for compliance could void the user’s authority to operate the equipment. Product labelling: This device complies with part 15 of the FCC Rules. Operation is subject to the following two...
  • Page 54 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 parts could be affected. Wipe off splashes of cement, plaster etc.
  • Page 55 It is recommended that you always transport the DISTO in the Leica Geosystems holster or an equivalent protective container or packaging. Do not exceed the temperature limits. Before embarking on a flight, enquire whether you are permitted the DISTO as hand luggage.
  • Page 56 Message Cause Remedy code Wrong entry Repeat entry Calculation Repeat error procedure Temperature above Cool down 50°C (measuring) instrument Temperature below Warm up -10°C (measuring) instrument Receiver signal Use target plate too weak, Measurement Measurement time > 10 sec. time too long Distance <...

  • Page 57: Time Delay Release

    typ. max. Measuring accuracy Smallest unit displayed 0.3m to Range over 100m** 0.5...~ 4s Time for a measurement 0.16...~1s 635nm visible ∅ Laser-spot at Distance Outdoor measurements (adaption for viewfinder) Two line display Illumination (fluorescent display) Measure from corners Constant (height) Continuous measurement max.
  • Page 58 *The measuring accuracy corresponds to the ISO- recommendation ISO/R 1938-1971 with a statistical confidence level of 95% (i.e. ± twice the standard deviation, refer to diagram below). The typical measuring accuracy relates to average conditions for measuring within the specified range. It is not valid for the user functions Fnc 2, 3, 4, and is not valid in the tracking mode.
  • Page 59 Possible method of calculating the standard deviation s: When using a computer with a statistical function or if you use the program Excel, you can calculate the mean value and the standard deviation s directly from the 10 measured values. Formula for the standard deviation s: n ...
  • Page 60 Centre of viewfinder Laser point Setting mark for adjusting the telescopic viewfinder see page 36, 37 Please copy the above diagram 1:1.
  • Page 61 Accuracy tests on the DISTO for users certified to ISO 900...: You can perform your own accuracy tests on the DISTO to meet the requirements of ISO 900... for measuring equipment. Take a fixed, invariable, and conveniently accessible distance of about 1m to 10m, such as the width of a window opening or of a room.

  • Page 62: Technical Data

    A DISTO whose measuring accuracy has been tested over a test distance works within the specified tolerance over the entire distance and temperature range specified in the manual. Please note the technical data and the description of measuring accuracy in the manual (page 59).
  • Page 63 Ask your local Leica Geosystems agent for more information about our TQM program Your dealer:...
  • Page 64 Leica Geosystems AG CH-9435 Heerbrugg (Switzerland) www.leica-geosystems.com 712791-0.0.1en Printed in Switzerland - Copyright by Leica Geosystems AG, Heerbrugg, Switzerland 2000...

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