Cleaning & Maintenance
Cleaning ClearChart 4P
Use a lint-free, soft cloth lightly damped with water to clean the ClearChart 4P screen and the unit.
Cleaning of the ClearChart 4P should be performed when the screen has contaminants on it or when
visually, there is dust accumulation on the instrument.
CAUTION: THE POLARIZED SCREEN CAN BE EASILY DAMAGED BY CLEANERS. USE ONLY DAMP CLOTH. DO
NOT USE ALCOHOL OR AMMONIA-BASED WINDOW CLEANERS. DO NOT USE PAPER TOWELS.
Cleaning the IR Detector
Use a lint-free cotton swab, clean the IR detector with
a lens cleaner that is safe for plastic lenses. Refer to
Figure MM-01.
Fuse Replacement
WARNING: DISCONNECT POWER BEFORE ATTEMPTING
TO REMOVE THE FUSES OR SERIOUS INJURY OR DEATH
MAY OCCUR.
Replace the fuses in the Power Input Module with the
fuses indicated in the Specifications section of this
manual.
1. Turn the power to the unit off, and unplug the
device.
2. Press down on the tab in the middle of the Fuse
Holder to release the Fuse Holder and pull the
Fuse Holder out. Refer to figure MM-02.
3. Install new fuses that are indicated in the Specifi-
cation section of this manual into the Fuse Holder.
Refer to Figure MM-03.
4. Push the Fuse Holder into the Power Input Mod-
ule until it snaps into place.
40
IR
Detector
MM-01 Clean IR Detector
Fuse
Holder
MM-02 Fuse Holder
Fuses
MM-03 Fuse Removal
Press
Tab In
13785-101 Rev. F