5: Maintenance
PRC1099A-MSOP
5-3
Operational
Check List
Use this check list before your equipment is placed in operation, during
operation and after shutdown. If the corrective measures do not work, the
problem requires a report to technical personnel.
1. Connect the handset.
2. Install the antenna.
3. Turn the
V
OLUME
knob to 5.
4. Turn the
C
HANNEL
knob to the channel to check.
5. Turn the
P
OWER
knob to LO or HI. The displayed channel number should
match the position of the
C
HANNEL
knob. If not, try one or all of the
following:
• Reset the channel or frequency (refer to
"Setting Channels and
Frequencies" on page 4-3
).
• Ensure the Accessory cover is completely connected to accessory
connector.
• Replace the battery (refer to
"Installing the Battery" on page 2-2
).
6. Set and hold the
M
ODE
knob to LITE. Normally the backlight displays. If
the backlight does not go on,
• Report this information to technical personnel.
7. Turn the
M
ODE
knob to USB. Normally, background noise is heard. If you
don’t hear background noise,
• Report this information to technical personnel.
8. Turn the
M
ODE
knob to squelch. Normally, background noise stops. If
background noise does not stop,
• Report this information to technical personnel.
9. Listen to test signals from a nearby set operating on the same frequency.
If signals are not heard loudly and clearly,
• Check the antenna.
10. Transmit a test signal to a nearby set. If you don’t hear sidetone in the
handset or get a response from the test station, try one or more of the
following:
• Fully seat the antenna.
• Tune the radio.
• Replace the battery.
Repair Parts
If you need to replace any of the external portions of the radio, refer to the
figure and table below when considering replacement parts.
