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SETUP INSTRUCTIONS
INSTALL BATTERIES
The LDM is ready to use after you install the two supplied "AAA"
batteries in a compartment in the back of the unit. To open the
compartment, use the included flat-head screwdriver to loosen
the single screw holding the battery compartment cover in place
(see photo at right). After opening the extension ruler, remove
the cover and set it aside. Position the batteries so their polarity
marks match the diagram inside the compartment. Replace the
cover and tighten the screw to secure it.
OPERATING INSTRUCTIONS
POWERING ON AND OFF
To turn the LDM on, press and hold the
backlight and laser. It also sounds a chirp, causes the laser icon (Callout 2 of Fig. 2)
to flash, and places the LDM in direct distance measurement mode.
While the LDM is powered on, any push of any button produces a chirp to confirm
that some action has taken place (a measurement was made, an operating mode or
measurement unit was changed, etc.). The only actions that are not accompanied
by a chirp are the laser timing out (after 30 seconds of inactivity) for safety reasons
and the backlight timing out (after 10 seconds of inactivity) to conserve battery
charge. The LDM also chirps when it automatically powers off after 3 minutes of
inactivity. The chirp cannot be disabled.
To turn the LDM off manually, press and hold the
will respond with a chirp as it powers off.
QUICK START INSTRUCTIONS
To make a quick distance measurement:
1. Power the LDM on.
2. Within 30 seconds, point the top of the instrument at a target and press the
MEASURE
button. The distance to the target—in the default measurement unit of
ON
feet with decimal fraction—will be displayed on the bottom line of the display. The
top line will indicate the LDM's angle with respect to the horizontal. When making
direct distance measurements, always orient the LDM so the top line reads close
to 0.0º.
8
MEASURE
button. This activates the display,
ON
CLEAR
button. The instrument
OFF
LIFT
COVER
HERE
SCREW
EXTENSION RULER
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