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SSB is the most commonly-used mode on the HF
Amateur radio bands. Compared with other voice
modes, SSB requires only a narrow bandwidth for
communications. SSB also allows long distance
communications with minimum transmission power.
If necessary, refer to “OPERATING BASICS”,
beginning on page 10, for details on how to receive.
1 Select an operating frequency.
2 Press [LSB/USB] until “USB” or “LSB” appears on
the operating mode display.
• If the desired sideband (“USB” or “LSB”) does
not appear, select the other sideband first.
Then, press [LSB/USB]. The mode indicator
changes to your desired sideband.
• “USB” represents the upper sideband and
“LSB” represents the lower sideband. Normally,
USB is used for the communications for
10 MHz and above while LSB is used for the
frequencies below 10 MHz.
3 Press [MIC (CAR)] to adjust the Microphone gain.
• The current gain level appears on the sub-
display.
4 Press and hold Mic [PTT].
• The TX-RX LED lights red.
• Refer to “VOX” {page 30} for information on
automatic TX/ RX switching.
5 Speak into the microphone and turn the
MULTI/CH control so that the ALC meter reflects
your voice level but does not exceed the ALC limit.
• Speak in your normal tone and level of voice.
Speaking too close to the microphone or too
loudly may increase distortion and reduce
intelligibility at the receiving end.
• You may want to use the Speech Processor.
Refer to “SPEECH PROCESSOR” {page 31}
for details.
6 Release Mic [PTT] to return to Reception mode.
• The TX-RX LED lights green or turns off,
depending on the SQL control position.
7 Press [MIC (CAR)] or [CLR] to exit the Microphone
gain adjustment.
Refer to “COMMUNICATING AIDS”, beginning on
page 28, for information on additional useful operation
functions.
)075$160,66,21
FM is a common mode for communicating on VHF or
UHF frequencies. As for HF and the 6 m band,
29 MHz and 51-54 MHz bands are commonly used
for FM operation. You can also utilize 10 m/ 6 m band
repeaters to reach your friends when they are outside
or skipped over from your coverage. Although FM
requires a wider bandwidth when compared to SSB
or AM mode, it has the finest audio quality among
these modes. When combined with the full-quieting
aspect of FM signals, which suppresses background
noise on the frequency, FM can be the best method
for maintaining casual communications with your local
friends.
If necessary, refer to “OPERATING BASICS”,
beginning on page 10, for details on how to receive.
1 Select an operating frequency.
2 Press [FM/AM (FM-N)] until “FM” appears.
• If “FM” does not appear, select “AM”, then press
[FM/AM (FM-N)]. The mode indicator changes
to “FM”.
3 Press and hold Mic [PTT].
• The TX-RX LED lights red.
• Refer to “VOX” {page 30} for information on
automatic TX/ RX switching.
4 Speak into the microphone in your normal voice.
• Speaking too close to the microphone or too
loudly may increase distortion and reduce
intelligibility at the receiving end.
• You can switch the Microphone gain for FM
between 1 (Normal), 2 (Medium), and 3 (High)
by using Menu No. 47. 1 (Normal) is usually
appropriate; however, select 3 (High) if other
stations report that your modulation is weak.
5 Release Mic [PTT] to return to Reception mode.
• The TX-RX LED lights green or turns off,
depending on the SQL control position.
Refer to “COMMUNICATING AIDS”, beginning on
page 28, for additional information on useful operation
functions.
Note: Microphone gain adjustment for SSB or AM has no
effect in FM mode. In FM mode, you must select 1 (Normal), 2
(Medium), or 3 (High) in Menu No. 47.