Uniden BC-880FM, Руководство пользователя

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EXIT Menu
Exit the menus from the main menu levels (COLOR, CONT, BRIGHT,
WXSCAN, and DIAG). From this level, turn Channel Selector until EXIT
displays. Press
MENU/OK
. The radio returns to the last operating
mode and channel.
OTHER FEATURES
S/RF/CAL/SWR Meter
You can check your incoming and outgoing signal strength and wattage
as you use your Bearcat 880FM. The 12-column LCD display (refer to
item number 3 on page 6) displays this data. Press and hold PTT on
the microphone to see the RF output power levels. Release
PTT
to see
incoming signal strengh.
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. Press PTT and 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.