Справочник Пользователя для ICOM 300900
6-7
■ Quick split function
When you find a DX station, an important considera-
tion is how to set the split frequency.
tion is how to set the split frequency.
When you push and hold the
switch for 1 sec.,
split frequency operation is turned ON and the trans-
mit frequency is equalized to the received frequency.
mit frequency is equalized to the received frequency.
This shortens the time needed to begin split frequency
operation.
operation.
The quick split function is ON by default. For your con-
venience, it can be turned OFF in Others set mode.
(p. 12-12) In this case, the
venience, it can be turned OFF in Others set mode.
(p. 12-12) In this case, the
switch does not
equalize the transmit frequency to the receive fre-
quency.
quency.
qSuppose you are operating at 21.290 MHz (USB) in
VFO mode.
w Push and hold
for 1 sec.
• Split frequency operation is turned ON.
• The transmit frequency (unselected VFO’s readout) is
• The transmit frequency (unselected VFO’s readout) is
equalized to the receive frequency (selected VFO’s read-
out).
out).
• “
” indicator appears.
eEnter the desired offset frequency from the keypad
then push
, or set the transmit frequency
with the main dial while pushing [XFC].
• “
” indicator appears when
is pushed.
• Offset frequency setting with the keypad— example
To transmit on 1 kHz higher frequency:
-
Push , then .
To transmit on 3 kHz lower frequency:
-
Push , , then .
D Split lock function
The split lock function is convenient for changing only
the transmit frequency. When the split lock function is
not used, accidentally releasing [XFC] while rotating
the main dial, changes the receive frequency. The split
lock function is ON by default, but can be turned OFF
in set mode. (p. 12-13)
the transmit frequency. When the split lock function is
not used, accidentally releasing [XFC] while rotating
the main dial, changes the receive frequency. The split
lock function is ON by default, but can be turned OFF
in set mode. (p. 12-13)
qWhile split frequency operation is ON, push [LOCK]
to activate the split lock function.
wWhile pushing [XFC], rotate the main dial to change
the transmit frequency.
• If you accidentally release [XFC] while rotating the main
dial, the receive frequency does NOT change.
SPLIT
7
3
GENE
•
F-INP
ENT
SPLIT
1.8
1
F-INP
ENT
F-INP
ENT
F-INP
SPLIT
F-INP
SPLIT
SPLIT
SPLIT
Main dial
[SPLIT] indicator
SPLIT
XFC
Main dial
[LOCK] indicator
XFC
LOCK
6
FUNCTIONS FOR TRANSMIT