Clear-Key
Cancel the last action. Within a function (area, volume,
etc.) single measurement can be deleted step by step and
re-measured.
Reference Setting
Default reference setting is the rear of the device.
Press this key to change the reference. The reference
returns automatically to the default setting (rear reference) after
power off.
Measuring Unit Setting
When the laser distance meter is off, holding this key
for about 5 seconds could switch the measuring unit
between ‘m’ and ‘ft’.
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