Leica DISTO D2 Laser Distance Meter

Overview

The Leica DISTO™ is a laser distance meter operating with a class 2 laser. See chapter Technical data for scope of use.

Device Components:

• 1 Display
• 2 ON/Measure
• 3 Add
• 4 Functions
• 5 Measuring reference
• 6 Clear/OFF
• 7 Memory/Timer
• 8 [Bluetooth] Smart
• 9 Subtract

Technical Data

* Favourable conditions: white and diffuse reflecting target, low background illumination, moderate temperatures.
** Unfavourable conditions: targets with lower/higher reflectivity, high background illumination, extreme temperatures.
*** Tolerances apply from 0.05 m to 5 m with 95% confidence. Deterioration by 0.10 mm/m above 5 m (favourable), 0.15 mm/m (unfavourable).

Instrument Set-up

Introduction

Read safety instructions and user manual carefully before first use. The person responsible must ensure all users understand and adhere to directions.

Symbol Meanings:

• ⚠️ WARNING: Indicates a potentially hazardous situation or unintended use which, if not avoided, will result in death or serious injury.
• ❗ CAUTION: Indicates a potentially hazardous situation or unintended use which, if not avoided, may result in minor injury and/or appreciable material, financial and environmental damage.
• ℹ️ Information: Important paragraphs to be adhered to for technically correct and efficient use.

Insert batteries

For reliable use, high-quality Alkaline batteries are recommended. Change batteries when the battery symbol is flashing.

[Diagram: Battery compartment showing correct insertion of two AAA batteries]

Switching ON/OFF

[Diagram: Device with ON/DIST button illuminated, laser beam shown]

[Diagram: Device with CLEAR/OFF button pressed for 2 seconds] Device is turned OFF.

Clear

[Diagram: Device with CLEAR/OFF button pressed once] Undo last action.

[Diagram: Device with CLEAR/OFF button pressed twice] Leave actual function, go to default operation mode.

Message Codes

[Diagram: Device display showing 'i' symbol and the number 255] If the message "i" appears with a number, observe the instructions in the Message Codes section.

Adjusting measuring reference

[Diagram: Device measuring from the front, laser beam shown] Distance is measured from the front of the device.

[Icon: ℹ️] Press button for 2 seconds to set the reference from the front permanently.

[Diagram: Device measuring from the rear, laser beam shown] Distance is measured from the rear of the device (standard setting).

Multifunctional endpiece

[Diagram: Multifunctional endpiece extended and positioned against a corner]

[Diagram: Multifunctional endpiece against a wall, laser beam shown]

[Icon: ℹ️] The orientation of the endpiece is automatically detected and the zero point is adjusted accordingly.

Unit setting

[Diagram: Device showing '+' and '-' buttons pressed simultaneously for 2 seconds]

Press both keys simultaneously to switch between the following units: 0.000 m, 0.00 ft, 0.0000 m, 0'00" 1/32, 0.000 in, 0 in 1/32.

Beep

[Diagram: Device showing FUNC and [Bluetooth] keys pressed simultaneously for 2 seconds]

Press both keys simultaneously to toggle beep ON/OFF.

Operations

Measuring single distance

[Diagram: Device pointing at a target wall]

[Diagram: Laser beam hitting the target wall] Aim active laser at target.

[Diagram: Device display showing measured distance, e.g., 8.532 m]

[Icon: ℹ️] Target surfaces: Measuring errors can occur when measuring to colourless liquids, glass, styrofoam or permeable surfaces, or when aiming at high gloss surfaces. Against dark surfaces, the measuring time increases.

Permanent / Minimum-Maximum measuring

[Diagram: Device showing ON/DIST button pressed for 2 seconds]

Used to measure room diagonals (maximum values) or horizontal distance (minimum values). The minimum and maximum distance measured is displayed (min, max.). The last value measured is displayed in the main line.

[Diagram: Device showing ON/DIST button pressed to stop the measurement] Stops permanent/minimum-maximum measuring.

Add / Subtract

[Diagram: Device showing a measured distance, e.g., 7.332 m]

[Diagram: Device showing '+' button pressed, adding to previous measurement] The next measurement is added to the previous one.

[Diagram: Device showing '-' button pressed, subtracting from previous measurement] The next measurement is subtracted from the previous one.

[Diagram: Device showing the result of addition/subtraction, e.g., 12.847 m]

[Icon: ℹ️] The result is shown in the main line and the measured value above. This process can be repeated. The same process can be used for adding or subtracting areas or volumes. In this case, press DIST to show the result.

Area

[Diagram: Device showing FUNC button pressed]

[Diagram: Device aiming at first target point on a wall] Aim laser at first target point.

[Diagram: Device aiming at second target point on a wall] Aim laser at second target point.

[Diagram: Device showing calculated area, e.g., 24.352 m²]

[Icon: ℹ️] Finally, measure the height for the second length to get the wall area.

The result is shown in the main line and the measured value above. Painter function: Press + or - after starting the first measurement. Measure and add or subtract wall lengths.

[Diagram: Device showing calculated circumference] Circumference is displayed.

Volume

[Diagram: Device showing FUNC button pressed]

[Diagram: Device aiming at first target point] Aim laser at first target point.

[Diagram: Device aiming at second target point] Aim laser at second target point.

[Diagram: Device aiming at third target point] Aim laser at third target point.

[Diagram: Device showing calculated volume and area, e.g., 80.208 m, 208.70 m²] Circumference and wall area are displayed.

Memory (last 10 results)

[Diagram: Device display showing list of last 10 measurements, e.g., 1..10, 8.294 m] Last 10 values are displayed.

[Diagram: Device showing '+' and '-' buttons used for navigating through memory] Navigates through last 10 values.

Delete Memory

[Diagram: Device showing FUNC and [Bluetooth] keys pressed simultaneously for 2 seconds]

Press both keys simultaneously. Memory is completely deleted.

Timer (automatic release)

[Diagram: Device showing timer setting with options for delay, e.g., 2 sec, 5 sec, up to 60 sec]

Adjust delay of automatic release (max. 60 sec, standard setting = 5 sec.).

[Icon: ℹ️] Once the key is released with the laser activated, the remaining seconds until the result is displayed are shown in a countdown. The delayed release is recommended for precise aiming, e.g., at long distances. It avoids shaking of the device when pressing the measurement key.

Pythagoras (2-point)

[Diagram: Device showing FUNC button pressed]

[Diagram: Device aiming at upper point on a wall] Aim laser at upper point.

[Diagram: Device aiming at a rectangular point on a wall] Aim laser at rectangular point.

[Diagram: Device showing calculated distance, e.g., 8.294 m]

[Icon: ℹ️] The result is shown in the main line and the measured distance above. Pressing the measuring key for 2 sec in the function activates automatically Minimum or Maximum measurement.

Pythagoras (3-point)

[Diagram: Device showing FUNC button pressed]

[Diagram: Device aiming at upper point on a wall] Aim laser at upper point.

[Diagram: Device aiming at a rectangular point on a wall] Aim laser at rectangular point.

[Diagram: Device aiming at lower point on a wall] Aim laser at lower point.

[Diagram: Device showing calculated distance, e.g., 8.294 m]

[Icon: ℹ️] The result is shown in the main line and the measured distance above. Pressing the measuring key for 2 sec in the function activates automatically Minimum or Maximum measurement.

Stake out

[Diagram: Layout showing stake points and distances, e.g., 0.625m, 1.012m]

[Diagram: Device showing FUNC button pressed]

[Diagram: Device showing value adjustment with +/- buttons, e.g., 0.625 m] Adjust value.

[Diagram: Device showing ON/DIST button pressed] Approve value and start measurement.

[Diagram: Device moving along a line, showing distance to next point, e.g., 1.250 m, 0.240 m] Move device slowly along the stake out line. The distance to the next stake out point is displayed.

[Icon: ℹ️] Instrument starts to beep. The function can be stopped by pressing the CLEAR/OFF button.

[Diagram: Device display showing remaining distance, e.g., 0.240m is missing up to next 0.625m distance] 0.240m is missing up to next 0.625m distance.

[Icon: ℹ️] When approaching a stake out point to less than 0.1 m the...

Bluetooth® Smart

[Diagram: Device showing [Bluetooth] icon and 2 sec press] Deactivate/Activate Bluetooth®.

[Diagram: Device showing data transfer to smartphone/tablet, e.g., 18.462 m²] Value from mainline is transferred DISTO™ sketch. Use App for Bluetooth® data transfer.

[Icon: ℹ️] Bluetooth® Smart is always active when the device is switched on. Connect the device with your smartphone, tablet, laptop. Measurement values will be transferred automatically right after a measurement. To transfer a result from the main line, press the Bluetooth® key. Bluetooth® switches off as soon as the laser distance meter is switched off. The efficient and innovative Bluetooth® Smart module (with the new Bluetooth® standard V4.0) works together with all Bluetooth® Smart Ready devices. All other Bluetooth® devices do not support the energy saving Bluetooth® Smart Module, which is integrated in the device.

[Icon: ℹ️] We provide no warranty for free DISTO™ software and offer no support for it. We accept no liability whatsoever arising from the use of the free software and we are not obliged to provide corrections nor to develop upgrades. A wide range of commercial software can be found on our homepage. Apps for Android or iOS can be found in special internet shops. For more details, see our homepage.

Message Codes

* If other message codes are displayed frequently even after the instrument has been switched off and on, please contact your dealer.

Warranty

Warranty under PROTECT by Leica Geosystems

Lifetime Manufacturer's Warranty

Warranty coverage for the entire usage time of the product under PROTECT according to Leica Geosystems International Limited Warranty and PROTECT General Terms & Conditions set out under www.leica-geosystems.com. Free of charge repair or replacement of all products or any parts under PROTECT that suffer defects as a result of faults in materials or workmanship.

3 Years No Cost

Additional services should the product under PROTECT become defective and require servicing under normal conditions of use, as described in the user manual, at no additional charge.

To receive the "3 Years No Cost" period, the product under PROTECT must be registered at myworld.leica-geosystems.com within 8 weeks of the purchase date. If the product under PROTECT is not registered, a "2 years No Cost" period applies.

Safety Instructions

Symbols used

The symbols used have the following meanings:

• ⚠️ WARNING: Indicates a potentially hazardous situation or an unintended use which, if not avoided, will result in death or serious injury.
• ❗ CAUTION: Indicates a potentially hazardous situation or an unintended use which, if not avoided, may result in minor injury and/or appreciable material, financial and environmental damage.
• ℹ️ Information: Important paragraphs which must be adhered to in practice as they enable the product to be used in a technically correct and efficient manner.

Prohibited use

• Using the product 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.).
• Use of accessories from other manufacturers without express approval.
• Carrying out modification or conversion of the product.
• Deliberate dazzling of third parties; also in the dark.
• Inadequate safeguards at the surveying site (e.g. when measuring on roads, construction sites, etc.).
• 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 in the sun.

Hazards in use

⚠️ WARNING: Watch out for erroneous measurements if the instrument is defective or if it has been dropped or has been misused or modified. Carry out periodic test measurements. Particularly after the instrument has been subject to abnormal use, and before, during and after important measurements.

❗ CAUTION: Never attempt to repair the product yourself. In case of damage, contact a local dealer.

⚠️ WARNING: Changes or modifications not expressly approved could void the user's authority to operate the equipment.

Disposal

❗ CAUTION: Flat batteries must not be disposed of with household waste. Care for the environment and take them to the collection points provided in accordance with national or local regulations.

The product must not be disposed of with household waste. Dispose of the product appropriately in accordance with the national regulations in force in your country. Adhere to the national and country specific regulations.

Product specific treatment and waste management can be downloaded from our homepage.

FCC statement (applicable in U.S.)

This equipment has been tested and found to comply with the limits for a Class B digital instrument, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

This instrument complies with part 15 of the FCC rules. Operation is subjected to the following two conditions:

• This instrument may not cause harmful interference, and
• this instrument must accept any interference received, including interference that may cause undesired operation.

This instrument complies with Industry Canada license-exempt RSS standard(s). Operation is subjected to the following two conditions:

• This instrument may not cause harmful interference, and
• this instrument must accept any interference received, including interference that may cause undesired operation.

Use of the product with Bluetooth®

⚠️ WARNING: Electromagnetic radiation can cause disturbances in other equipment, in installations (e.g. medical ones such as pacemakers or hearing aids) and in aircraft. It can also affect humans and animals.

Precautions:

Although this product conforms to the most stringent standards and regulations, the possibility of harm to people and animals cannot be totally excluded.

• Do not use the product near petrol stations, chemical plants, in areas with a potentially explosive atmosphere and where blasting takes place.
• Do not use the product near medical equipment.
• Do not use the product in airplanes.
• Do not use the product near your body for extended periods.

Laser classification

The device produces visible laser beams, which are emitted from the instrument: It is a Class 2 laser product in accordance with:

• IEC60825-1 : 2014 „Radiation safety of laser products"

Pulse duration: > 400 ps
Pulse repetition frequency: 320 MHz
Beam divergence: 0.16 x 0.6 mrad

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: Looking directly into the beam with optical aids (e.g. binoculars, telescopes) can be hazardous.

❗ CAUTION: Looking into the laser beam may be hazardous to the eyes.

Wavelength: 620 - 690 nm
Maximum radiant output power for classification: < 1 mW

Labelling

Subject to change (drawings, descriptions and technical data) without prior notice.

[Diagram: Label showing LASER 2, Model: Leica DISTO D2, Power, website, FCC ID, IC, etc.]

[Diagram: Another label with similar information]