Short press button , read the records by press
button and . Short press to delete recent
record and long press to clrear up all the records.
Record Function
Long press button for 3s to record your measuring
result under measuring mode.It can also record the
result under Area, Volume and Pythagoras mode.
All the calculating records can be saved by the
device.
Read / Delete the Record:
Tips
You may get some warning information as below:
Info
message
Cause
Solution
Received signal is
too weak
Chose the surface with stronger
reflectance. Use the reflecting
plate.
Received signal is
too strong
Chose the surface with weaker
reflectance. Use the reflecting plate.
Low battery voltage Change the power supply.
The working
temperature is out
of working range.
Use the device in the specified
temperature.
Pythagoras
measuring error.
Re-measure and ensure that
Hypotenuse is bigger than
Cathetus.
Record damaged
Please contact the distributer.
Summary of Contents for DM-120
Page 1: ...User s Manual hand held laser distance meter...
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