DM40
EN - 8
4. OPERATING
INSTRUCTIONS
4.1. Initial operations and settings
Press the
key to switch on the instrument and
the laser pointer. Press and hold the
key to
switch off the instrument.
Press the
key to clear (CLR) the last datum
shown on the display.
Press the
key to see the saved distance values.
Press the
and
keys at the same time to
delete the temporary memory's content. The value
“0” is shown on the display.
Press the
key to activate/deactivate the
backlight of the display.
Press and hold the
key to activate the section
for setting distance measuring units. Cyclically press
the key to select the options: “m”, “ft”, “in” and
“ft+in”
4.2. Setting of measuring reference
In order to perform correct measurements, it is
important to define beforehand the measuring
reference on the instrument by pressing the
key.
Possible options are (see the following figure):
Top
measurement is carried out by the upper
part of the instrument.
Bottom
measurement is carried out by the lower
part of the instrument and therefore also the whole
instrument length is considered (default condition)
“Bottom” reference
“Top” reference