Icom ic-U80 Instruction Manual

Also see for IC-U80: Instruction manual Quick guide

494910SET MODES12345678910111213141516171819D Battery protectionWhen the battery voltage decreases, the battery protectionfunction automatically turns OFF the transceiver. Select thefunction according to your battery type.(default: differs depending on the version)• bAt.OF : Turns OFF the function. Select when you use the BP-263 battery case.• bAt.nm : Select when you use the BP-264 Ni-MH battery pack.• bAt.LI : Select when you use the BP-265 Li-ion battery pack.NOTE: BE SURE to select the appropriate option accord-ing to your battery type.D Auto Low powerTurns the Auto Low power function ON or OFF.When the temperature goes below 0°C (+32°F), the functionautomatically sets the output power to Low.In that case, the transmit power selections (Hi/Mid) are alsodisabled. (default: ALP.OF)D Squelch burstThe squelch burst function stops transmitting a subaudibletone before your transceiver stops transmitting RF, to elimi-nate noise. The squelch burst will be effective only when theother station uses the tone squelch function.• Sqb.OF : The squelch burst is OFF. (default)• Sqb.On : The squelch burst is ON.