Page 2 - User Manual; English; Contents; Symbols used; Use of the instrument; Permitted use
1 Safety Instructions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ User Manual English Congratulations on the purchase of your Leica DISTO™ D3a . Carefully read the Safety Instruc-tions and the User Manual before using this product. The person responsible for the instr...
Page 3 - Prohibited use
2 Safety Instructions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Prohibited use • 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 us...
Page 4 - Hazards in use
3 Safety Instructions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ • 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 Geosyste...
Page 5 - Laser classification; Integrated distancemeter
4 Safety Instructions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ WARNING: The Leica DISTO™ conforms to the most strin- gent requirements of the relevant standards and regulations. Yet, the possibility of it causing interfer-ence in other devices cannot be totally e...
Page 6 - Labelling
5 Safety Instructions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Laser Class 2 products: Do not stare into the laser beam or direct it towards other people unnecessarily. Eye protection is normally afforded by aversion responses including the blink reflex. WARNING:...
Page 7 - Inserting/replacing batteries
6 Start-up Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Start-up Inserting/replacing batteries 1 Remove battery compartment lid and attach handstrap. 2 Insert batteries, observing correct polarity. 3 Close the battery compartment again. Replace the batteries when the s...
Page 8 - Keypad
7 Start-up Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Keypad 1 ON / DIST (On/measuring) - button 2 Horizontal distance - button 3 Plus (+) - button 4 Minus (-) - button 5 Area / volume - button 6 Indirect measurement (Pythagoras) - button 7 Reference - button 8 Funct...
Page 9 - Display
8 Start-up Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Display 1 Laser active 2 Reference (front) 3 Reference (rear) 4 Reference (corner stop) 5 Measuring with the tripod 6 Stake out function 7 Single Pythagoras measurement 8 Double Pythagoras measurement 9 Double (pa...
Page 10 - Menu functions; Settings; Navigation in the menu
9 Menu functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Menu functions Settings The menu allows settings to be altered and perma-nently stored. After switching off the device or replacing the batteries the settings are stored. Navigation in the menu The menu allo...
Page 11 - Measuring with the tripod (; Level in status field (
10 Menu functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Setting the unit for distance measurements The following units can be set: Setting the unit for tilt measurements The following units can be set for tilt measurements: Measuring with the tripod ( ) The refe...
Page 12 - Operation; Switching on and off; CLEAR button
11 Operation Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Reset - returning the instrument to the factory settings ( ) The instrument has a RESET function. When you select the menu function RESET and confirm, the instrument defaults to the factory settings. A reset ret...
Page 13 - Reference setting; Measuring; Single distance measurement
12 Measuring Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Reference setting The default reference setting is from the rear of the instrument. Press this button to take the next measurement from the front edge . A special beep sounds when- ever the reference setting is ...
Page 14 - Minimum/maximum measurement
13 Measuring Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Minimum/maximum measurement This function allows the user to measure the minimum or maximum distance from a fixed measuring point. It can also be used as to determine spacings. It is commonly used to measure roo...
Page 15 - Functions; Addition / subtraction; Volume
14 Functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Functions Addition / subtraction Distance measuring. The next measurement is added to the previous one. The next measurement is subtracted from the previous one. This process can be repeated as required. Press t...
Page 16 - Tilt measurement; Triangular area
15 Functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Tilt measurement Press this button once to activate the tilt sensor. The symbol appears in the display. The tilt is continuously shown as ° or % depending on the setting. Press to measure the inclination and the...
Page 17 - Stake out function
16 Functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Stake out function Two different distances (a and b) can be entered into the instrument and can then be used to mark off defined measured lengths, e.g. in the construction of wooden frames. Entering stake out di...
Page 18 - Indirect measurement
17 Functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Indirect measurement The instrument can calculate distances using Pythagoras’ theorem. ) Make sure you adhere to the prescribed sequence of measurement: • All target points must be in a horizontal or vertical pl...
Page 20 - Adjusting the constant
19 Functions Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Press this button and trigger the measurement. After the first measurement the value is adopted. The display flashes (2). Triggers the measurement. After the second measurement the value is adopted. The display ...
Page 21 - Appendix; Message codes
20 Appendix Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Appendix Message codes All message codes are displayed with either or "Error". The following errors can be corrected: Cause Remedy 156 Transverse tilt greater than 10° Hold the instrument without any tran...
Page 22 - Technical data
21 Appendix Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Technical data * maximum deviation occurs under unfavourable conditions such as bright sunlight or when measuring to poorly reflecting or very rough surfaces. Measuring accuracy between 10 m and 30 m may deterior...
Page 23 - Measuring conditions; Measuring range; Target surfaces; Care
22 Appendix Leica DISTO™ D3a 776175a gb D GB F I E P NL DK S N FIN J CN ROK PL H RUS CZ Measuring conditions Measuring range The range is limited to 100 m. At night or dusk and if the target is in shadow the measuring range without target plate is increased. Use a target plate to increase the measur...
