SETUP INSTRUCTIONS
INSTALL BATTERIES
The VR40’s battery compartment (Fig. 1, Callout 10) is
accessible from the back of the unit.
To open the compartment, place your thumbnail in the
slot above the word OPEN and apply enough force to
release the battery compartment cover. Slide the cover
down and away from the instrument.
Insert the two supplied “AAA” batteries in the well
using the
and
markings stenciled inside the
compartment as an orientation guide. Slide the battery
compartment cover back onto its rails and push it
forward until it snaps shut.
OPERATING INSTRUCTIONS
DETECTING AC VOLTAGE
Before using the VR40 to detect the presence of AC
voltage, you must check a known "hot" outlet to
confirm that the batteries powering the instrument are
not weak or dead. It is essential that you do this
each
time
you use the unit for this purpose.
To check the charge of the batteries
, press and hold
the NCV button while inserting the blade tip into both
slots of an 110VAC outlet known to be energized. If the
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