.!
TM 5-5420-226-20-1
MULTIMETER
BEFORE
OPERATION
PREVENTIVE
MAINTENANCE
CHECKS
AND SERVICES
1NOTE
l The
following
steps
are
referred to as “zero” meter in
the Detailed Troubleshooting
Procedures.
l Be sure to “zero” meter again
each
time
you
change
the
selector
switch
to
another
OHMS position.
(Continued)
METER
_
NEEDLE
(SHOWN OVER
GREEN ZERO
MARK ON FAR
RIGHT SIDE
OF UPPER
SCALE).
rElectrically “zero” meter.
l Set selector switch to the OHMS scale indicated in
your Detailed Troubleshooting
Procedure.
l While touching probe tips together, turn OHMS ADJ.
knob until meter needle is over green zero mark on far
right side of upper scale.
I
Does meter needle move to green zero mark?
0.w
AO,
o-
0
7
(‘ l Multlmeter ia ready for use.
l See Step @
, MULTIMETER
TESTS AND
MEASUREMENTS
(page 4-35).
TA106722
—
.
4-33
