Leica DISTO™ A8 Brochure
Contents
1. Area Volume Circumference Wall area Ceiling area Single tilt measurement Double tilt measurement Single Pythagorean measurement Double Pythagorean measurement Beep Offset settings Reference tripod Continuous laser Start up Leica DISTO A8 1 0 0 gb Menu functions Presettings The menu allows selection of the settings that will remain in memory after the instrument is switched off Navigation in the Menu Press the MENU key A 14 repeatedly to scroll through the possible menu functions When the desired menu option appears select it with the EQUAL key A 5 scroll through the possible settings with the PLUS key A 3 or the MINUS key A 11 and store the selected setting with the EQUAL key A 5 Press CLEAR key A 9 to leave the menu without saving any changes in the settings Set unit of distance UNIT and the DISTO symbol with the laser beam B 1 are displayed on the screen Possible units Distance Area Volume 0 000 m 0 000 m 0 000 ms 0 00 m 0 00 m 0 00 ms 0 mm 0 000 m 0 000 ms 0 00 ft 0 00 ft 0 00 ft 0 00 1 35 ft in 0 00 ft 0 00 ft 0 0 7 35 0 00 ft 0 00 ft Distance Area Volume 0 0 in 0 00 ft 0 00 ft GB 0 17 32 in 0 00 ft 0 00 ft ee Set unit of tilt UNIT and the tilt symbol B 10 are displayed on the screen Possible units 90 00 180 00 360 00 0 00 02. 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 The Leica DISTO A8 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 Leica DISTO A8 1 0 0 gb La Appendix Leica Geosystems AG Heerbrugg Switzerland has been certified as being equipped TO WI with a 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 2006 Translation of original text 743367 Pat No WO 9427164 WO 9818019 WO 0244754 WO 0216964 US 5949531 EP 1195617 US 7030969 WO 03104748 Neogeo Co Ltd 98 2 Ladkabang Road Ladkabang Ladkabang District Bangkok 10520 Thailand Tel Fax 66 0 2 172 6655 Hotline 66 0 80 139 6655 Email sales neogeothai com _http www neogeothai com Leica Geosystems AG CH 9435 Heerbrugg S
3. i Selca DISTO AS ye laser distance meter ey when it has to be right Seica Geosystems DISTO A8 14 k 13 5 User Manual Version 1 0 English Congratulations on your purchase of a Leica DISTO The safety instructions can be accompanies this user manual The safety instructions along with the operation Helpful Hint The first and last page including the reading through the manual Letters and numbers in braces refer to the illustrations Sta htaU Pixie visisei ven cnatn dl ei ah vena ines Menu functions Measuring Functions found in a separate booklet which user manual should be read carefully before initial pictures should be folded out and left open whilst Operation Leica DISTO A8 1 0 0 gb Start up Inserting replacing Batteries See figure C Open the positioning bracket Remove the locking clip and slide the endpiece down Slide the red locking mechanism to the side and open the battery compartment Insert new or replace used batteries Close battery cover reinsert the endpiece and fix locking clip The battery symbol B 6 appears permanently blin king in the display when the battery voltage is too low The batteries should be replaced as soon as possible e Pay att
4. wall area See figure N P Best results can be expected if the device is turned around a fixed point e g positioning bracket folded out completely and the device is held towards a wall e Itis highly recommended to use the Minimum maximum measuring by pressing the DIST key A 1 longer The minimum value is used for the measurements perpendicular towards the target respectively the maximum value for the other measurements This increases the accuracy of the indirect measuring considerably Indirect single tilt measurement determine all 3 sides and an angle with 1 distance mea surement See figure M Press the INDIRECT MEASUREMENT key A 12 In the symbol the distance to be measured is high lighted Make the required distance measurement The result is displayed in the summary row the measured distance and the angle in the secondary row Press the INDIRECT MEASUREMENT key A 12 for a longer period to obtain more details Indirect double tilt measurement obtain all detail information with 1 tilt measurement and 1 distance measurement See figure N Press the INDIRECT MEASUREMENT key A 12 twice In the symbol the tilt to be measured is high lighted Make the required tilt measurement with the Digital Viewfinder Here will we measure with the DIST key A 1 a tilt and not the distance In the symbol the distance to be measured is highlighted Make the distance measurement The result is displ
5. 1 0 0 gb Press the PLUS key A 3 or MINUS key A 11 before you start with the first partial measurement Proceed with the first partial measurement by pres sing DIST key A 1 In the display an addition or subtraction symbol appears Make the first partial measurement press PLUS key A 3 or MINUS key A 11 and make the second partial measure ment Unlimited partial measurements can be summed up or subtracted To finish the distance measurement press the EQUAL key A 5 The second distance can be made up of partial distances with the same method The result of the Area Volume calculation is displayed as usual in the summary row Indirect Measuring The instrument can measure vertical distances with the tilt sensor This procedure is especially helpful if the upper target point does not reflect the laser The upper target point can be aimed at with the digital viewfinder For a double tilt measurement the first measurement only requires a tilt measurement and not a distance measurement Then the vertical and horizontal distances can be calculated with the Pythagorean theorem This method is ideal when the distance to be measured is hard to reach e Both methods only serve to estimate distances and cannot replace an exact measurement e Make sure you adhere to the prescribed sequence of measuring Leica DISTO A8 1 0 0 gb iene Soe Functions e All target points must be in a straight line to the
6. the positioning bracket is folded out the device recognizes the position adapts the reference and calculates distances accordingly The default reference setting is from the rear of the instrument By pressing the REFERENCE key A 8 the setting can be changed so that the next measu rement taken will be from the front of the in stru ment Afterwards the reference setting automatically defaults back to rear See picture I You can choose the front reference permanently by pressing the REFERENCE key A 8 longer Press the REFERENCE key A 8 longer another time to change back to the rear reference Measurements from the front edge are signalled by a different sounding Beep See also Measuring with tripod Measuring ET 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 Minimum maximum measuring This function allows the user to measure the minimum or maximum distance from a fixed measu ring point as well as to determine spacing see figure J 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 measu ring mode Then slowly sweep the laser back and forth respectively up and down over the desired target
7. 0 mm m 0 00 in ft Beep The Beep symbol is displayed It can be switched on or off Measure with offset add subtract tolerance An offset automatically adds or subtracts a value to from all measurements With this feature toler ances can be taken into consideration e g between unfi nished and finished dimensions Select the menu function OFFSET B 21 OFFSET blinks in the display confirm with the EQUAL key Leica DISTO A8 1 0 0 gb Sia Menu functions A 5 Adjust the OFFSET with the PLUS key A 3 or the MINUS key A 11 By holding the keys down the setting values will increase decrease faster Once you have entered the proper offset confirm your selection with the EQUAL key A 5 As long as an OFFSET B 21 is added subtracted the symbol is visible on the display Measuring with tripod Using a tripod eliminates shaking when measuring over long distances On the back of the instrument is an industry standard threaded hole for use witha camera tripod mounting screw For correct measure ments the reference needs to be adapted Select the menu function TRIPOD B 22 Confirm with the EQUAL key A 5 The corresponding symbol B 5 is displayed permanently Continuous laser Select the Menu function Continuous laser and confirm with the EQUAL key A 5 The laser is now on permanently and whenever the DIST key A 1 is pressed a measurement is taken The
8. 2 repeatedly to switch from 1 fold to 2 fold to 3 fold zoom The PLUS key A 3 and the MINUS key A 11 adjust in steps 9 1 the brightness of the camera Whenever a distance measurement is triggered an hour glass symbol appears in the lower left corner of the display screen until the measurement is completed For measurements of less than 5 meters using the digital viewfinder is not recommended as the laser is not centered because of the parallax Tilt The instrument has a built in tilt sensor with an accu racy of 0 15 in reference to the laser beam Acti vate the tilt sensor with the TILT key A 10 While measuring the tilt is now displayed in the upper right of the screen The housing can also be held at a tilt By pressing the DIST key A 1 the tilt is stabilised and displayed in an intermediate row The tilt measu rement works independently of the distance measu rement Please make sure that the instrument is not traverse tilted when making a tilt measurement If the trans verse tilt is too large an error message is displayed to prevent measuring errors The units can be set Leica DISTO A8 1 0 0 gb heen Operation under MENU Refer to picture H You need to consider the height difference between the housing and the laserpoint by marking off the tilt with help of the laser beam Illumination Pressing the ILLUMINATION key A 13 turns on off the display backlight Measuring reference If
9. ayed in the summary row the measured distance and angles in the secondary row Press the INDIRECT MEASUREMENT key A 12 for a longer period to obtain more details If the tilt of the distance measurement is above 0 the result is automatically displayed as a partial height Indirect single Pythagorean measurement determine a stretch with 2 auxilliary measure ments See figure O Press the INDIRECT MEASUREMENT key A 12 three times In the symbol the distance to be measured is highlighted Make the required distance measurements The result is displayed int the summary row Press the INDIRECT MEASUREMENT key A 12 for a longer period to obtain more details Indirect double Pythagorean measurement determine a stretch with 3 auxilliary measure ments See figure N P Press the INDIRECT MEASUREMENT key A 12 until the corresponding symbol is displayed In the symbol the distance to be measured is dark Make the required distance measurements The result is displayed int the summary row Press the INDIRECT MEASUREMENT key A 12 for a longer period to obtain more details You will find application examples with detailed measuring sequences on our homepage www disto com Storage of Constants Historical Storage Storage of a Constant It is possible to store and recall a frequently used value e g height of a room Measure the desired distance press and hold STORAGE key A 7 until the device beeps
10. ention to correct polarity e Use alkaline batteries e Batteries should be removed if the device will not be used for a long time danger of corrosion When changing the batteries the settings and stack content remain unchanged Multifunctional Endpiece See figure D The device can be used for different measurement situations e For measurements from an edge open the posi tioning bracket until it locks in place See figure E e For measurements from a corner open the posi tioning bracket until it locks in place with a slight Start up push to the right the bracket can be turned further See figure D and F A built in sensor automatically detects the orienta tion of the positioning bracket and calculates the corresponding distances accordingly Level The integrated bubble level allows simple horizontal levelling of the instrument Keypad See figure A NEe 008 4 00 ON MEASURING DIGITAL VIEWFINDER PLUS TIMER EQUAL AREA VOLUME STORAGE MEASUREMENT REFERENCE CLEAR OFF TILT MINUS INDIRECT MEASUREMENT PYTHAGORAS ILLUMINATION MENU Display See figure B The graphics display shows clear large symbols which enable an easy to use interface 9 44 00 Laser active Reference front Reference rear Reference corner stop Measuring with the tripod Battery status Save constant value Call up constant value Historical mermory call up values Tilt
11. laser is automatically switched off after 60 minutes Reset When you select the menu function RESET and press the EQUAL key A 5 twice the device will default to factory settings CAUTION Any customized presettings as well as stored values will be deleted Switching On Off ON Press ON key A 1 briefly Battery indica tion is displayed until the next keystroke Press and hold OFF key A 9 To maximize battery life the laser beam will switch off after 3 minutes of inactivity the device will auto matically switch off after 6 minutes of inacti vity OFF CLEAR key Pressing the CLEAR key A 9 cancels the last action While making area volume or indirect measurements each single measurement can be deleted and remea sured Digital Viewfinder 3x zoom The instrument has a built in camera that displays the target in 16 grayscales on the camera With the cros shairs blended in targets can be aimed at and accu rately measured even if the laser is not visible Refer to piture G The integrated camera is a great help outdoors and can be used for every function Long distance measu rements and accurate measurements to small areas Operation Leica DISTO A8 1 0 0 gb can be made even in bright sunlight without any problems The 3 fold zoom supports the individual magnification Press the DIGITAL VIEWFINDER key A 2 and the camera is activated Press the DIGITAL VIEWFINDER key A
12. point see figure K L e g a corner in the room Press DIST key A 1 again and the continuous measurement will be stopped The values for maximum and minimum distances are shown in the display as well as the last measured value in the main line With tilt activated the tilt value of the maximum measurement is displayed in the frame Addition Subtraction To add or subtract two or more measurements simply works as follows Measurement Measurement Measure ment RESULT Pressing the EQUAL key A 5 ends the sequence and displays the result in the main line the actual measurements are scrolled upwards in the display Pushing the CLEAR key A 9 undoes the most recent operation Areas and volumes can be added subtracted in exactly the same manner Area Volume Press the AREA VOLUME key A 6 In the symbol B 11 12 the distance to be measured is high lighted Make the required two or three measure ments and the result will be displayed in the summary row Press the AREA VOLUME key A 6 for a longer period to display additional information B 13 15 Press the AREA VOLUME key A 6 again for a longer period to return to the current area volume measurement or a short press to make the next area volume measurement Special functions If desired the sides of an Area Volume can be composed of several partial lengths Select the AREA VOLUME function Measuring 6 Leica DISTO A8
13. pot at distance 7 splash proof dust proof Autom switch off laser 3 min DIMENSION _ 148 x 64 x 36 mm Autom switch off instru Weight with batteries 280 5 ment 6 min Temperature range N 0 Digital Viewfinder 3x Storage 25 C to 70 C zoom 13 F to 158 F 2 Operating 10 C to 50 C Display illumination 14 F to 122 F Integrated level v maximum deviation occurs under unfavourable conditions i z i such as bright sunlight or when measuring to poorly Multifu nctional endpiece reflecting or very rough surfaces For distances over 30 m the Timer v maximum deviation may increase to a maximum of 10 mm Single Measurement v Tilt sensor Accuracy to laser beam 0 15 to the housing 0 3 Maximum Minimum Continuous Measurement v Historical storage of 30 values Appendix Loar Leica DISTO A8 1 0 0 gb Measuring Conditions Measuring Range 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 measu ring time can be increased
14. rly If error still occurs replace the endpiece 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 distance lt 100 m 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 device several times and check if the symbol still appears If so please call your dealer for assistance InFo Cause Remedy 154 Transverse tilt gt 20 Hold the instrument without any trans verse tilt 204 Calculation error Repeat procedure Leica DISTO A8 1 0 0 gb 9 Appendix Technical Data Storage of constant v Power Range Technology Indirect mea SEE n Range without target di nef plate 100 m 330 ft othe iu unc 7 Range with target plate 200 m 650 ft ora y en Area Volume calculation Measuring accuracy up to gt 30m 26 standard devi typ 1 5 mm with room calculations ation Addition Subtraction v Smallest unit displayed 1mm Tripod thread v Laser class Battery life up to 5000 Laser type 635 nm gt 1 mW Type AA 2 1 5V measurements IP rating P 54 O laser s
15. to confirm the storage Recalling the constant Press STORAGE key A 7 to recall the constant and make it available with a press on the EQUAL key A 5 for further calculations Special function Adjusting the constant A measured value can be adjusted If you press the EQUAL key A 5 the value starts blinking and can be adjusted with the PLUS key A 3 or MINUS key A 11 Through pressing the EQUAL key A 5 again the adjustment is confirmed Now the value can be stored as usual as a constant Functions 8 Leica DISTO A8 1 0 0 gb Historical Storage Press STORAGE key A 7 twice quickly and the previous 30 results measurements or calculated results are shown in reverse order Using the PLUS key A 3 and the MINUS key A 11 allows to navigate in the historical storage Press EQUAL key A 5 to take a result from the historical storage to use for further calculations Timer Press and hold TIMER key A 4 until desired time delay has been reached 5 60 seconds Press DIST key A 1 Once the key is released the remaining seconds until measurement are displayed The last 5 seconds are counted down with a beep After the last beep the measurement is taken Message Codes All message codes will be displayed with either InFo or Error The following mistakes can be corrected InFo Cause Remedy 206 No endpiece detec Attach the endpiece tion prope
16. witzerland when it has to be right Seica www disto com Geosystems
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