Delta CS-LDM-50M User manual
User Manual
Page 1
Interface
Item
Description
1
Laser receiving lens
2
Laser emission port
3
LCD display
4
Main button
5
Shut down button
Page 2
6
Function button
7
Lanyard hole
8
Charging port
Operating instructions
1. Do not look directly at the red laser
light emitted from the laser emitting
port with your eyes. Looking directly
at it will cause damage to your eyes.
2. Do not cover the receiving lens and
laser emitting port of the rangefinder
when measuring the distance, and
place the rangefinder on a fixed baffle
or bracket plane as much as possible.
3. During measurement, the
rangefinder cannot be moved before
the measurement result is displayed
on the software interface.
4. The better the laser's throwback
(scattering, non-reflection) effect on
the target surface, the farther its range.
When the laser spot falls on the
surface of the following objects, the
measurement will be inaccurate：
-- Transparent surfaces (water, glass).
-- Surfaces that reflect surfaces
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(polished metals)
-- Porous surfaces (e.g. soundproof
materials)
-- Textured surfaces (e.g. rough
plaster walls, natural stone).If
necessary, reflective target paper (e.g.
white paper) can be placed on top of
these objects
5. Front/Rear reference
Front/Rear reference: means whether
the body length is counted in the
measurement data of both ways.
Front datum: Without fuselage
length. Rear reference: Include
fuselage length
Front benchmark display shows by
Rear reference display shows by
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Basic operation
① On/Off
a. Press the b. Press the
main button 0.5 shut down button
seconds to turn 2 seconds to
on. shut down.
②Switching front/rear reference
In the power-on state, press the
function button for about 1 second to
switch the reference.
Note: The selection of
the reference should
be before the start of
the measurement or
after the end of a
single measurement.
Do not switch the
reference during the
measurement process.
Page 5
③Switch numerical unit
In the shutdown state,
press the main button
and turn it on and
keep the keys on,
wait for about 2
seconds after turning
on the device to enter
the measurement
numerical unit
switching state.
The unit can be
switched between m
(meter)/ft (feet)/in
(inch) in turn.
④Other operations
a. Return operation
Press the shut down
button for about 0.5
seconds to return to the
previous level of
data or mode.
b. LCD backlight control
Long press the switch
button for about 1 second
to turn off/on the LCD
backlight.
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⑤ Simple measurement
a. Single measurement
When power on, press
the main button for
about 0.5 seconds and
turn on the red
measurement laser.
Short press again to
start the measurement
and display the data.
If no operation, the
meter will be
automatically turned
off after 20 seconds
and automatically
turned off after 60
seconds.
b. Consecutive measurement
Long press the main button for
about 1 second to enter the
consecutive measurement mode. In
the process of moving the meter to
a new position, the real-time
distance measurement data will be
displayed on the screen.
Under consecutive mode, the
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meter will automatically display
the maximum and minimum value
of the measured data.
Advanced function Operation
Switch function mode:
When power on, short
press the function
button for about 0.5
seconds to switch the
function mode, and
press once to switch
one function mode.
① Area measurement
In this mode, the area can
be measured and
automatically calculated.
Short press the main button to
measure the data (1), and then
short press the measured data (2).
The meter will automatically work
out the volume based on these 2
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measurements and display it on
the primary display area.
Data⑴[Length]
Data⑵[Width]
Automatic
measurement
of area data
Area measurement symbol:
② Volume measurement
In this mode, the area can be
measured and automatically
calculated.
Short press the main button to
measure data (1), short press again
to measure data (2), and short
press again to measure data (3).
The meter will automatically work
out the volume based on these 3
measurements and display it on
the primary display area.
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Data⑴[Length]
Data⑵[Width]
Data⑶[Height]
Automatic
measurement of
volume data
Volume measurement symbol：
③ Primary Pythagorean
In this mode, the system uses the
Pythagorean law a2+b2=c2，The third
side measurement data is
automatically measured by the two
side measurement data.
This mode can calculate the length of
the target edge only by running the
Pythagorean law once, which is also
called Primary Pythagorean mode.
Short press the main button to
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