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5
RECEIVE AND TRANSMIT
■ Automatic antenna selection
The transceiver covers 0.1–60 MHz over 10 bands.
Each band key has a band memory which can mem-
orize a selected antenna (ANT1, ANT2, ANT1/RX an-
tenna and ANT2/RX antenna). When you change the
operating frequency beyond a band, the previously
used antenna is automatically selected for the new
band. This function is convenient when you use 2 or 3
antennas.
To use the band memory, enter set mode and confirm
that “Auto” is selected as the [ANT] switch item.
(p. 70)
•When OFF is selected, the [ANT] switch does not function
and [ANT1] is always selected.
•When “Manual” is selected, the [ANT] switch functions,
however, band memory does not function. In this case,
you must select an antenna manually.
•When “Auto” is selected (default setting), the antenna
tuner ON/OFF condition is also memorized in the band
memory.
•When “Auto” or “Manual” is selected, the antenna tuner
ON/OFF condition is consistent with the [ANT] switch.
•Antenna switch selection example
Under the following condition, “Auto” should be se-
lected as the [ANT] switch set mode item.
- When you use 2 antennas.
Under the following conditions, “Manual” should be
selected as the [ANT] switch set mode item.
- When using 1 antenna.
- When using an external antenna selector for more
than 3 antennas (except for receive antenna).
- When using an external antenna tuner.
DEFDEF WIDEWIDE
é
è
VOXVOX
OFFOFF
COMPCOMP
OFFOFF
WIDEWIDE
AGCAGC
MIDMID
FMFMSPLITSPLITOffset(HF)Offset(HF) -0.100MHz-0.100MHz
FMFMSPLITSPLITOffset(50M)Offset(50M) -0.500MHz-0.500MHz
SPLITSPLITLOCKLOCK OFFOFF
TunerTuner(Auto(AutoStart)Start) OFFOFF
TunerTuner(PTT(PTTStart)Start) OFFOFF
[ANT][ANT]SwitchSwitch AutoAuto
RTTYRTTYMark FrequencyMark Frequency 21252125
OTHERSOTHERSSETSET
■ Dial lock function
The dial lock function prevents changes by accidental
movement of the tuning dial. The lock function elec-
tronically locks the dial.
➥Push [LOCK/SPEECH] to toggle the dial lock func-
tion ON and OFF.
•The [LOCK] indicator lights when the dial lock function
is in use.
[LOCK/SPEECH] switch
[LOCK] indicator