E-15Battery CheckCheck the DC power levels if you feel your radio is not performingproperly.1. Once DIAG displays, press MENU/OK; VOLT displays.2. Press MENU/OK; the battery voltage displays for 2 seconds andthen 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.Antenna Mismatch CheckAn antenna mismatch indicates that reception quality may be impaired.1. Once DIAG displays, press MENU/OK; VOLT displays.2. Turn Channel Selector until ANT displays.3. Press MENU/OK. GO PTT displays.4. Press and hold PTT. The Antenna Mismatch condition, PASS orFAIL, displays.5. Release PTT and press MENU/OK to return to the DIAG level.RF Power CheckRF 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, see the Troubleshooting section, page 17.)5. Release PTT: GO PTT displays.6. Press MENU/OK to return to the DIAG level.EXIT MenuExit the menus from the main menu levels (COLOR, CONT, BRIGHT,WXSCAN, and DIAG). From this level, turn Channel Selector until EXIT