General Tools and Instruments MSV250 - Manual (Page 3)

3
OPERATING INSTRUCTIONS
BATTERY INSTALLATION
This unit is operated by one “9V” battery which is
not included.
• Slide open the battery cover on the back of the
instrument
• Attach the battery to the battery connector and
insert it into the battery compartment.
• Slide the battery cover back into place.
POWER
Power on the instrument using the thumb switch
on the right side of the unit.
SET UP
Hold the unit against the wall surface in a
vertical position (Figure 1). Press in and hold
down the button “STUD” which is located on the
left side of main body to calibrate the normal
density of the wall. A short beep will sound, and
the top red LED will light momentarily and then
go off. Do not move the unit until the top LED as
well as the beep sound goes off. Continue
holding down the button during all of the
following steps. (See “Notes for Stud Seeking”)
Steps for locating a vertical batten or wall stud:
Place the instrument against the wall in a
vertical orientation (Figure 2). Move the unit
horizontally across the wall. As the unit moves
towards a stud, the bottom red LED will light up.
As it moves closer, the upper LED will light up to
indicate the stud is nearby. When it detects the
edge of the stud, the top red LED lights up and
the beep sounds continuously. Mark the first spot
Figure 1
Hold down the
button “STUD”
MSV250 -FINAL1A- 032709:Layout 1 3/27/09 3:35 PM Page 3