Leica DISTO™ A3
Contents
1. Y Leica DISTO A3 The original laser distance meter e when it has to be right Seica Geosystems Seica DISTO A3 User Manual Version 1 1 English Congratulations on your purchase of a Leica DISTO The safety instructions can be A AN found in a separate booklet which accompanies this user manual The safety instructions along with the user manual should be read carefully before initial operation Helpful Hint The first and last page including the pictures should be folded out and left open whilst reading through the manual Letters and Numbers in braces refer to the illustrations Start D renat a RR RI 1 Operation Measuring LA FUNCTIONS cases yess eacues ao aien E A EEEE 3 Appendix erre 4 Leica DISTOTM A3 1 1 0 gb Start up Inserting Replacing Batteries See figure C Push locking mechanism to the right and push the cover of the battery compartment downwards and open it Place the batteries in the compartment making sure they are correctly inserted Push the cover of the compartment back and let it lock in place The battery symbol B 4 appears permanently blinking in the display when the battery voltage is too low The batteries should be replaced as soon as possible e Pay attention to correct polarity e Use alkaline batteries e Batteries should be removed if th2. Press DIST key A 1 again and the continuous measurement will be stopped The current values for maximum and minimum distances are shown in the display as well as the last measured value in the main line Functions Addition Subtraction Take the first measurement addition is executed by pressing the PLUS key A 2 and subtraction by pressing the MINUS key A 8 then take the next measurement This process can be repeated as many times as is required The result is displayed in the main line whilst the last measurement taken is also displayed Pushing the CLEAR key A 5 undoes the last step Areas and volumes can be added subtracted in exactly the same manner Area Press AREA VOLUME key A 3 The corresponding symbol B 5 appears in the display The first side to be measured flashes on the display Take the two measurements the result will be displayed in the main line Volume Press AREA VOLUME key A 3 twice The corre sponding symbol B 5 appears in the display The first distance to be measured flashes on the display When 3 measurements have been taken the result will be displayed in the main line Historical storage Pressing the STORAGE key A 7 shows the last 19 displays in reverse order Using the PLUS key A 2 and the MINUS key A 8 allows to navigate in the storage In order to leave the storage press either CLEAR key A 5 DIST key A 1 or the AREA VOLUME k
3. The Leica DISTO A3 comes with a two 2 year warranty from Leica Geosystems AG More detailed information can be found at www disto com All illustrations descriptions and technical specifica tions are subject to change without prior notice Appendix Sa Leica DISTO A3 1 1 0 gb EEEF Leica Geosystems AG Heerbrugg Switzerland has been certified as being equipped with a TO IVI quality system which meets the International Standards of Quality Management and Quality Systems ISO standard 9001 and Environmental Management Systems ISO standard 14001 Total Quality Management Our commitment to total customer satisfaction Ask your local Leica Geosystems agent for more information about our TQM program Printed in Switzerland Copyright Leica Geosystems AG Heerbrugg Switzerland 2005 Translation of original text 743364a 1 1 0 Pat No WO 9427164 WO 9818019 WO 0244754 WO 0216964 US 5949531 EP 1195617 Leica Geosystems AG CH 9435 Heerbrugg f Switzerland when it has to be right eua www disto com Geosystems
4. ars the last entry or measurement Within a function area volume etc single measurements can be deleted step by step and re measured Illumination Pressing the ILLUMINATION key A 6 turns on the display backlight Another press turns it off again Switching off the device or automatic switch off also turns off the light Reference Setting The default reference setting is from the rear of the instrument By pressing the REFERENCE key A 4 the setting can be changed so that the next measurement taken will be from the front of the in strument Afterwards the reference setting automat ically defaults back to rear See picture D Single Distance Measuring Pressing DIST key A 1 turns the laser on Aim at the desired target and press DIST key A 1 again The measured distance is displayed immediately in the chosen unit Leica DISTO A3 1 1 0 gb gt ay Measuring Minimum Maximum Measuring This function allows the user to measure the minimum or maximum distance from a fixed measuring point as well as to determine spacing see figure E It is commonly used to measure diagonal distances maximum values or horizontal distances minimum values Press and hold DIST key A 1 until you hear a beep indicating the device is in a continuous measuring mode Then slowly sweep the laser back and forth respectively up and down over the desired target point see figure F G e g a corner in the room
5. e device will not be used for a long time danger of corrosion When changing the batteries the settings and stack content remain unchanged Level The integrated bubble level allows simple horizontal leveling of the instrument Start up Keypad Selecting Units See figure A Press UNITS key A 6 until desired unit appears 1 ON MEASURING key 2 PLUS key Possible units 3 AREA VOLUME key 4 MEASUREMENT REFERENCE key Distance Area Volume 5 CLEAR OFF key 0 000 m 0 000 m 6 UNITS ILLUMINATION key ene ib a 7 STORAGE key 0 00 m 0 00 m 0 00 m 8 MINUS key 0 00 ft 0 00 ft 0 00 ft E 0 00 4 46 ft in 0 00 ft 0 00 ft Display o 0 17 0 00 ft 0 00 ft See figure B ue i i 1 Information on faulty measurements 0 0 in 0 00 ft 0 00 ft 2 Laser ON 0 he in 0 00 ft 0 00 ft 3 Measurement reference front rear 4 Battery indication Operation 5 Area Volume E ee ertor Switching On Off 8 Units with exponents 22 ON Press ON key A 1 briefly Battery indica 9 Minimum value of continuous measurement tion is displayed until the next keystroke f 10 Three auxiliary lines e g previous values OFF Press and hold OFF key A 5 To maximize 11 Maximum value of continuous measurement battery life the device will automatically turn 12 Historical storage recall off after 3 minutes of inactivity Operation FER Leica DISTOM A3 1 1 0 gb CLEAR Key Pushing the CLEAR key A 5 cle
6. ey A 3 Press and hold the STORAGE key A 7 until a beep allows the user to take the selected result to carry on with calculations Message Codes All message codes will be displayed with either InFo or Error The following mistakes can be corrected InFo Cause Remedy 204 Calculation error Repeat procedure 252 Temperature too Cool down instrument high 253 Temperatur too low Warm up instrument 255 Receiver signal too Use target plate weak measurement time too long 256 Received signal too Use target plate powerful grey side 257 Wrong measure Use target plate ment ambient brown side brightness too high 260 Laser beam inter Repeat measurement rupted Error Cause Remedy Hardware error Switch on off the A device several times and check if the symbol still appears If so please call your dealer for assistance Appendix FREE Leica DISTOM A3 1 1 0 gb Technical Data Range use target plate for longer distances 0 05 mto 100 m 0 2 ft to 328 ft Measuring accuracy up to 30 m 26 standard deviation typ 3 mm Smallest unit displayed 1mm Laser class Laser type 635 nm lt 1 mW laser spot at 6 30 60 mm distance 10 50 100 m Automatic switch off after 180s Illumination of display v Minimum Maximum v Continuous Measuring Addition Subtraction v Historical storage v 19 Battery life up
7. to 5000 Type AAA 2x 1 5 V measurements IP rating IP 54 splash proof dust proof Dimension and weight 135x45x31 mm 145 g Temperature range Storage Operating 25 C to 70 C 13 F to 158 F 10 C to 50 C 14 F to 122 F maximum deviation occurs under unfavourable conditions such as bright sunlight or when measuring to poorly reflecting or very rough surfaces Leica DISTO A3 1 1 0 gb i ae Appendix For distances over 30 m without using a target plate the maximum deviation may increase to a maximum of 10 mm Measuring Conditions Measuring Range The measuring range is limited to 100 m At night at dusk and when the target is shadowed the measuring range without target plate is increased Use a target plate to increase the measurement range during daylight or if the target has a bad reflec tion Measuring Surfaces Measuring errors can occur when measuring toward colourless liquids e g water or dust free glass styrofoam or similar semi permeable surfaces Aiming at high gloss surfaces deflects the laser beam and measurement errors can occur Against non reflective and dark surfaces the measuring time can be increased Care Do not immerse the unit in water Wipe off dirt with a damp soft cloth Do not use aggressive cleaning agents or solutions Treat the optical surfaces with the same care that you would apply to eyeglasses and cameras Warranty
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