Diagnostic Menus - Uniden Bearcat 880 CHR Owner's Manual

2. Press MENU/OK. DAY displays.
3. Press MENU/OK. DAY blinks.
4. Turn Channel Selector to cycle through the brightness options.
(Lowest = 00; Highest = 15)
5. Press MENU/OK to select the one you want. BRIGHT displays again.
6. Repeat these procedures to set the NIGHT brightness level.

Diagnostic Menus

1. Press MENU/OK to activate the menus.
2. Turn Channel Selector until DIAG displays.
3. Press MENU/OK to enter the DIAG level.
From the DIAG level, you can check battery power levels, RF power
levels, and antenna mismatch.
Battery Check
Check the DC power levels if you feel your radio is not performing
properly.
1. Once DIAG displays, press MENU/OK; VOLT displays.
2. Press MENU/OK; the battery voltage displays for 2 seconds and
then the battery voltage condition displays:
– PASS - Voltage is good.
– FAILLO - Voltage is too low.
– FAILHI - Voltage is too high.
3. Press MENU/OK to return to the DIAG level.
RF Power Check
RF alerts indicate that the transmission levels are not acceptable.
1. Once DIAG displays, press MENU/OK; VOLT displays.
2. Turn Channel Selector until RF OUT displays.
3. Press MENU/OK. GO PTT displays.
4. Press and hold PTT. The RF power condition, PASS or FAIL,
displays. (If FAIL displays, refer to the Troubleshooting section,
page 18.)
5. Release PTT: GO PTT displays.
6. Press MENU/OK to return to the DIAG level.
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