ICOM 217800 Manuale Utente

Pagina di 120
58
5
FUNCTION FOR RECEIVE
5
RIT function
The RIT (Receive Increment Tuning) function com-
pensates for off-frequencies of the communicating
station.
The function shifts the receive frequency up to ±9.999
kHz in 1 Hz steps (10 Hz steps when cancelling the 1
Hz step readout) without moving the transmit fre-
quency.
• See 
@9 on p. 5 for function description.
q Push [RIT] to turn the RIT function ON and OFF.
• “
” and the shifting frequency appear when the
function is ON.
w Rotate the [RIT/∂TX] control.
e To  reset the RIT frequency, push [CLEAR] for
1 sec.
• Push [CLEAR] momentarily to reset the RIT frequency
when the quick RIT/∂TX clear function is ON. (p. 102
r To cancel the RIT function, push [RIT] again.
• “
” disappears.
RIT
RIT
BW
BW
2.4k
2.4k
SFT
SFT
0
FIL2
FIL2
U S B
U S B
qw:pp
TX
TX
USB
USB
qr.qot.pp
14.100.00
14.100.00
p.pp
RIT
1
VFO
VFO
ANT
ANT
1
METER
METER
Po
Po
P.AMP
P.AMP
1
Reset to 
“0.00”
RIT/
TX
Low shift
High shift
BW
BW
2.4k
2.4k
SFT
SFT
0
FIL2
FIL2
U S B
U S B
qw:pp
TX
TX
USB
USB
qr.qot.pp
14.100.00
14.100.00
q.wt
RIT
1
VFO
VFO
ANT
ANT
1
METER
METER
Po
Po
P.AMP
P.AMP
1
Appear
RIT
RIT
[CLEAR]
[RIT/
TX]
[RIT]
When RIT and ∂TX are ON at the same time, the
[RIT/∂TX] control shifts both the transmit and re-
ceive frequencies from the displayed frequency at
the same time.
• Calculate function
The shift frequency of the RIT or ∂TX function can
be added/subtracted to the displayed frequency.
While displaying the RIT and/or ∂TX shift frequency,
push [RIT] or [∂TX] for 1 sec.
• Practical example
When you find a DX station on 21.025 MHz/CW and
the station is picking up stations transmitting slightly
up from 21.025 MHz.
q Push [RIT] and [∂TX] to turn both the RIT and
∂TX functions ON.
w Rotate [RIT/∂TX] to find the DX station’s receive
frequency.
e When you find the DX station’s receive frequency,
push [RIT] to turn the RIT function OFF.
• Now you can transmit the DX station’s receive fre-
quency and receive the DX station’s transmit fre-
quency (21.025 MHz).
r Start transmitting while the station is standing by.
BW
BW
2.4k
2.4k
SFT
SFT
0
FIL2
FIL2
U S B
U S B
qw:pp
TX
TX
USB
USB
qr.qot.pp
14.100.00
14.100.00
p.wt
RIT
BW
BW
2.4k
2.4k
SFT
SFT
0
FIL2
FIL2
U S B
U S B
qw:pp
TX
TX
USB
USB
qr.qot.wt
14.100.00
14.100.00
p.pp
RIT
1
VFO
VFO
1
VFO
VFO
ANT
ANT
1
METER
METER
Po
Po
P.AMP
P.AMP
1
ANT
ANT
1
METER
METER
Po
Po
P.AMP
P.AMP
1
Push and hold
RIT