17
Calibrate Standing Wave Ratio (SWR)
Check and calibrate the SWR to ensure that you are using power
effectively.
1. Press
S/RF/CAL/SWR
until
CAL
appears.
2. Press and hold
PTT
, then rotate the channel selector until the bar
graph meter is at the CAL point.
3. Press
S/RF/CAL/SWR
until
SWR
appears.
4. Note the SWR reading and release
PTT
. If the reading is >1.5,
follow your antenna’s instructions to adjust the antenna length.
Then, repeat this step.
PREVENTIVE MAINTENANCE
Every six months:
1. Check the SWR.
2. Be sure all electrical connections are tight.
3. Inspect antenna coaxial cable for wear or breaks in shielding.
4. Be sure all screws and mounting hardware are tight.
MAINTENANCE
The Bearcat 880FM is designed to give you years of trouble-free service.
There are no user-serviceable parts inside. Except for the fuse in the DC
power cord, no maintenance is required.
To replace a blown fuse:
1. Press ends of the fuse holder together. Twist to open. Carefully
separate the two pieces.
2. Remove the fuse and inspect. If blown, replace with the same
type fuse.
Use only the fuse specified for your Bearcat 880FM. Failure to do so may void your
warranty.
TROUBLESHOOTING
In the event of system malfunction, perform the following procedures:
Содержание Bearcat 880FM
Страница 2: ......
