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Usually you can communicate with other stations
using a single frequency for receiving and
transmitting. In this case, you select only one
frequency on either VFO A or VFO B. However, there
are cases where you must select one frequency for
receiving and a different frequency for transmitting.
This requires the use of 2 VFOs. This is referred to
as “split-frequency operation”. One typical case which
requires this type of operation is when you use an FM
repeater {page 25}. Another typical case is when you
call a rare DX station.
When a rare or desirable DX station is heard, that
operator may immediately get many simultaneous
responses. Often, such a station is lost under the noise
and confusion of many calling stations. If you find that
you are suddenly being called by many operators, it
is your responsibility to control the situation. You may
announce that you will be “listening up 5 (kHz, from
your present transmission frequency)”, or “listening
down between 5 and 10 (kHz)”.
1 Press [A/B (A=B)] to select VFO A or VFO B.
•“
” or “ ” appears to show which VFO is
selected.
2 Select an operating frequency.
• This frequency will be used for transmission.
• To copy the selected VFO frequency to the
other VFO, press and hold [A/B (A=B)].
3 Press [A/B (A=B)] to select the other VFO.
4 Select an operating frequency.
• This frequency will be used for reception.
5 Press [SPLIT].
•“
” appears.
• Each time you press [A/B (A=B)], the reception
and transmission frequencies are swapped.
6 To quit split-frequency operation, press [SPLIT]
again.
•“
” disappears.
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TF-SET allows you to temporarily switch your
transmission frequency and reception frequency.
Canceling this function immediately restores the
original transmission and reception frequencies.
By activating TF-SET, you can listen on your transmit
frequency, and change it while listening. This allows
you to check whether or not the newly selected
transmission frequency is free of interference.
1 Configure split-frequency operation as explained in
the previous section.
2 Press and hold [TF-SET], then turn the Tuning
control or press Mic [UP]/ [DWN] to change the
transmission frequency.
• The transceiver receives on the frequency as
you change, but the frequency shown on the
sub-display (the original reception frequency)
stays unchanged.
3 Release [TF-SET].
• You are now receiving again on your original
reception frequency.
Successfully contacting a DX station in a pileup
often depends on making a well-timed call on a clear
frequency. That is, it is important to select a relatively
clear transmission frequency and to transmit at the
exact instant when the DX station is listening but the
majority of the groups aren’t transmitting. Switch
your reception and transmission frequencies by using
the TF-SET function and listen to your transmission
frequency. You will soon learn the rhythm of the
DX station and the pileup. The more proficient you
become at using this function, the more DX stations
you will contact.
Note:
X TF-SET is disabled while transmitting.
X You can change the transmission frequency even when the
Frequency lock function is ON.
X An RIT offset frequency is not added; however, an XIT offset
frequency is added to the transmit frequency during TF-SET.