87 & 89 Series IV
Service Manual
16
2.
Remove the battery door by using a standard-blade screwdriver to the turn the battery
door fasteners one-quarter turn counterclockwise.
3.
Replace the batteries, observing proper polarity. Replace the battery door and secure
it by turning the fasteners one-quarter turn clockwise.
F2
F1
tc037f.eps
Figure 3. Battery and Fuse Replacement
Cleaning
Warning
To avoid electrical shock or damage to the Meter, never allow
water inside the case. To avoid damaging the housing, never
apply solvents to the Meter.
Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or
solvents.
Dirt or moisture in the input terminals can affect readings and can falsely activate the
Input Alert™ feature. Clean the terminals as follows:
1.
Turn the Meter off and remove all test leads.
2.
Shake out any dirt that may be in terminals.
3.
Soak a new swab with alcohol. Clean each terminal with the swab.
