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800m Premium Laser Rangefinder
User's Manual
1. Usage
2. Specifications
3. Diagram of the Inner Lens Display
4. Measuring Distance
5. Important Notes
6. Inclusions
1. Usage
This laser rangefinder, combined with the function of common telescope and laser
distance-measuring instrument, can measure the distance from its scope to an object in
the distance.
The laser rangefinder is safe for the eyes, small in volume and lightweight. It only
requires a 3V battery that is easy to buy and change at your convenience. The
measurement system isn't affected by inclement weather, nor is it affected by small
obstructions such as wires, branches, etc. The LDM can be used in sports and activities
(golf, hunting, etc).
Picture 1
1 ---- The telescope eyepiece (inner—distance display)
2 ---- Mode button
3 ---- Trigger button
4 ---- The telescope objective (laser emission objective)
5 ---- Laser reception objective
6 ---- Battery lid
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2. Specifications
Measurement Range 5---800m
Measurement Pattern Semiconductor laser measurement
Error in Measurement + 1m +0.1%
The Pattern of Measurement Display Inner-vision-field LCD display
Effective Objective Lens Aperture 25 mm
File Coating Multiple file coating
Outlet Pupil Diameter 3.8mm
Outlet Pupil Distance 12mm
The Pattern of Alignment Focus Eye-piece Focusing Adjustment
Telescope Multiplying Power 6x
Vision Field within 1000m 122 m (70 of field of view)
Modes of Measurment RAIN;RELF>150;standard model if no display
Mains Voltage 3V (excluded)
Dimensions 120×72×44
Weight 225g
Water-proof Function Rain-Guard
3 . Diagram of the inner lens display
3.1 Symbol sketch as picture 2
Picture 2
3.1 Symbol for aim: “--|-- ”
3.2 Distance display
3.3 Distance expressed in “METERS” (m) or “YARDS” (yd)
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3.4 Distance conditions:
- No display = standard condition;
- “RAIN” = refers to rainy conditions, measuring objects beyond 60m
- “REFL” refers to for foggy conditions
- “>150” indicates that there are interfering objects within 150m
3.5 The quality of the measurment. This is displayed via the text -
“QUALITY▼▼▼▼▼▼▼▼▼▼” - just under the field of vision. When there are six or more
“▼” symbols, this indicates that the return-wave is strong enough to measure and display
distance.
3.6 Laser emission: when emitting the laser, the “LASER” glitters.
3.7 When “BATT” is displayed, this indicates that the battery needs to be changed due to
low battery power.
4. Measuring Distance
4.1 Adjust the eyepiece degree of the telescope to make the object clear in the field of
vision.
4.2 Click the “trigger” button. The lens will display “+”, as a crosshair. Aim the device at
your desired object. Re-click the “trigger” button and keep pressing it for about three
seconds. It will display the distance of the object. The device will shut off
automatically if it is not used in fifteen seconds.
4.3 In order to ensure accuracy, keep pressing the “trigger” button for more than three
seconds until the distance of the object registers for the second time. Note: do not
press the button excessively.
4.4 Use the “mode” button. The use of each mode should be chosen in accordance with
the environment/conditions in which the measurements are being taken. When
switching the device on, the default mode will be the last mode chosen by the user.
4.5 If the distance unit needs to be switched, keep pressing “mode” for more than three
seconds.
4.6 Distance-measuring of the Rangefinder is affected by the characteristics of the
objects, the angle of the emitted light beam, the surface of object, and the visibility of
weather. Generally speaking, if the surface of the object is smooth, the light is bright,
the area is large, the light beam is vertical with the surface of the object and the day
is fine, the distance tends to measure longer. In the opposite conditions, the distance
will generally be recorded as shorter.
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5. Important Notes
5.1 Don’t take apart the device. Doing so risks damaging the inner electric circuit.
5.2 Don’t clean the outside of the lens with hands, please use the appropriate lens-cloth.
The outside lens should be cleaned with soft cloth.
5.3 Don’t invert the battery.
5.4 The battery should be taken out if the rangefinder is not going to be used for a long
time.
5.5 The device should be stored in a dry place when not in use.
5.6 The device should be used when the temperature is between -20℃---40℃.
5.7 The Laser Rangefinder should be repaired only by qualified professionals. Please do
not disassemble or repair the product on your own, or the after-service warranty
guarantee will be rendered invalid.
6. Inclusions
Leather box ----------------------------x1
Strap ----------------------------------x1
Lens cloth ----------------------------x1
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