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TRANSMITTING
1 To transmit, hold the microphone approximately 5 cm
(2 inches) from your mouth, then press and hold Mic
[PTT] and speak into the microphone in your normal
tone of voice.
•“ ” and the RF Power meter appears. The RF
Power meter shows the relative transmit output power
(
).
• If you press Mic [PTT] while you are outside the
transmission coverage, a high pitched error beep
sounds.
2 When you finish speaking, release Mic [PTT].
Note: If you continuously transmit for longer than the time specified in
Menu No. 21 (default is 10 minutes) {page 62}, the internal time-out
timer generates a warning beep and the transceiver stops
transmitting. In this case, release Mic [PTT] and let the transceiver
cool down for a while, then press Mic [PTT] again to resume
transmission.
SELECTING AN OUTPUT POWER
M4 market version only: The output power of M4 market models
cannot be adjusted. It is fixed at 25 W.
You can configure different power levels for transmission.
1 Press [F], [MENU] and turn the Tuning control to
select Menu No. 6 (TXP).
2 Press [MENU] and turn the Tuning control to select
“H” (high; default) or “L” (low) power.
3 Press [MENU] to store the setting or any other key to
cancel.
4 Press any key other than [MENU] to exit Menu Mode.
◆ Do not transmit at high output power for an extended period of
time. The transceiver could overheat and malfunction.
◆ Continuous transmission causes the heat sink to overheat. Never
touch the heat sink when it may be hot.
Note: When the transceiver overheats because of ambient high
temperature or continuous transmission, the protective circuit may
function to lower transmit output power.
SELECTING A FREQUENCY
VFO MODE
This is the basic mode for changing the operating
frequency. To enter VFO Mode, press [VFO].
Turn the Tuning control clockwise to increase the
frequency and counterclockwise to decrease the
frequency, or use Mic [UP]/[DWN].
• Press and hold Mic [UP]/[DWN] to step the frequency
repeatedly.