Icom IC-756PRO [8/84] I front panel

Icom IC-756PRO [8/84] I front panel
6
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 ne 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 l-
ter to pick out a receive signal from interference
while the manual notch function is ON.
Notch lter 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
LOCKTX
RX
TWIN PBT
CW PITCH
F-1 F-2 F-3 F-4 F-5
SPEECH LOCK
RIT/ TX
TXRIT 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)

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