Apo (Auto Power Off); Narrow Band Fm Operation - Kenwood TH-K40A Instruction Manual

The transceiver switches OFF automatically if no keys or controls are pressed or
adjusted for 30 minutes (default). One minute before the transceiver switches
OFF, warning beeps sound for a few seconds and "APO" blinks. You can select
the APO time from OFF (disable), 30 (default), 60, 90, 120, or 180 minutes.
1 Enter Menu mode and access Menu No. 5 (APO), then press [F].
2 Rotate the ENC control to select OFF/ 30/ 60/ 90/ 120/ 180 minutes, then
press [F] to store the setting.
3 Press [MENU] or [PTT] to exit Menu mode.
Note:
◆ APO does not function while the transceiver is
◆ When Tone Alert is ON, APO does not turn the power OFF.
◆ The APO timer starts counting down the time when no keys are pressed and no controls
are adjusted.
◆ The APO warning beep sounds and "APO" appears 1 minute before the transceiver turns
OFF.
The transceiver operates in normal FM deviation (±5 kHz) mode for both
transmitting and receiving. You can also operate the transceiver in narrow band
FM deviation (±2.5 kHz) mode.
1 Enter Menu mode and access Menu No. 9 (N.FM), then press [F].
2 Rotate the ENC control to select "ON", then press [F] to store the setting.
3 Press [MENU] or [PTT] to exit Menu mode.
• When FM narrow is activated, the "
48

APO (AUTO POWER OFF)

NARROW BAND FM OPERATION

scanning.
" icon appear on the display.