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2
PANEL DESCRIPTION
@8
LOCK SWITCH [LOCK] (p. 45)
Turns the dial lock function ON and OFF.
@9
RIT/
∂
∂
TX CONTROL [RIT/
∂
∂
TX] (p. 34)
Shifts the receive and/or transmit frequency without
changing the transmit and/or receive frequency
while the RIT and/or
∂
TX functions are ON.
• Rotate the control clockwise to increase the frequency,
or rotate the control counterclockwise to decrease the
frequency.
• The shift frequency range is ±9.999 kHz in 1 Hz steps
(or ±9.99 kHz in 10 Hz steps).
#0
RIT SWITCH [RIT] (p. 34)
➥
Turns the RIT function ON and OFF when
pushed.
• Use the [RIT/
∂
TX] control to vary the RIT frequency.
➥
Adds the RIT shift frequency to the operating fre-
quency when pushed for 2 sec.
✔
What is the RIT function?
The RIT (Receiver Incremental Tuning) shifts the receive fre-
quency without shifting the transmit frequency.
This is useful for fine tuning stations calling you on an off-fre-
quency or when you prefer to listen to slightly different-
sounding voice characteristics, etc.
#1
∂
∂
TX SWITCH [
∂
∂
TX] (p. 34)
➥
Turns the
∂
TX function ON and OFF when
pushed.
• Use the [RIT/
∂
TX] control to vary the
∂
TX frequency.
➥
Adds the
∂
TX shift frequency to the operating fre-
quency when pushed for 2 sec.
✔
What is the
∂
∂
TX function?
The
∂
TX shifts the transmit frequency without shifting the re-
ceive frequency. This is useful for simple split frequency op-
eration in CW, etc.
#2
CLEAR SWITCH [CLEAR] (p. 34)
Clears the RIT/
∂
TX shift frequency when pushed
for 2 sec.
#3
CW PITCH CONTROL [CW PITCH]
(outer control; p. 29)
Shifts the received CW audio pitch and monitored
CW audio pitch without changing the operating fre-
quency.
#4
MANUAL NOTCH FILTER CONTROL [NOTCH]
(inner control; p. 27)
Varies the peak frequency of the manual notch fil-
ter to pick out a receive signal from interference
while the manual notch function is ON.
• Notch filter center frequency:
SSB : 0 Hz to 5100 Hz
CW
: –900 Hz + CW pitch freq. to 4200 Hz + CW
pitch freq.
AM
: –5100 Hz to 5100 Hz
NOTCH
CW PITCH
Lower frequency
Higher frequency
Approx. 300 Hz
Approx. 900 Hz
Lower frequency
Higher frequency
NOTCH
CW PITCH
RIT/
∂
TX
Low shift
High shift
NB
NR
BAL
NR
COMP
KEY SPEED BK-IN DELAY
LOCK
TX
RX
TWIN PBT
CW PITCH
F-1
F-2
F-3
F-4
F-5
SPEECH
LOCK
RIT/
TX
TX
RIT
CLEAR
SPLIT
MP-W
MP-R
DUAL
WATCH
VFO/
MEMO
MAIN/
SUB
CHANGE
1.8
1
3.5
2
7
3
10
4
14
5
18
6
21
7
24
8
28
9
GENE
•
50
0
F-INP
ENT
Y
Z
MW
M-CL
TS
XFC
CEIVER
i756PRO
PBT CLR
NOTCH
NOTCH
SSB
CW/RTTY
AM/FM
FILTER
EXIT
$5 $4 $3
#9 #8
#7
#2
#4
#3
#1
#6
#5
#0
@9
@8
$0
$1
$2
■
Front panel
(continued)