D Rtty Reverse Mode; D Twin Peak Filter - Icom IC-7200 Instruction Manual

D RTTY reverse mode

Received characters are occasionally garbled when
the receive signal is reversed between MARK and
SPACE. This reversal can be caused by incorrect
TNC connections, settings, commands, etc.
To receive a reversed RTTY signal correctly, select
RTTY-R (RTTY reverse) mode.
q Push to select RTTY mode.
MODE
w After RTTY mode is selected, push and hold
for 1 sec. to toggle between RTTY and
MODE
RTTY-R modes.

D Twin peak filter

The twin peak filter changes the receive frequency
response by boosting two particular frequencies
for better copying of desired RTTY
(2125 and 2295 Hz)
signals.
q Push to select RTTY mode.
MODE
• After RTTY mode is selected, push and hold
for 1 sec. to toggle between RTTY and RTTY-R modes.
w Push and hold M-CH/RIT
SET
quick set mode.
e Rotate [M-CH] to select "TPF", then rotate [DIAL]
to select the twin peak filter function ON or OFF.
• The received audio volume may become greater when
the twin peak filter is turned ON.
M-CH/RIT
r Push to exit the quick set mode and re-
SET
turn to normal operation.
MODE
for 1 sec. to enter the
RECEIVE AND TRANSMIT
MODE TS
TUNER FILTER
SPCH
Normal
Space Mark
2125
170
Hz
Hz
BFO
Displayed freq.
MODE TS
TUNER FILTER
SPCH
[DIAL]
OFF (default)
4
NR ANF
NB
METER
1 A/B 2 3
V/M
SPLIT
=
1.8 3.5 7
4 5 6
MW M-CL AGC
10
14 18
7 8 9
COMP SCAN VOX
21 24 28
.
0 F-INP ENT
RIT MNF
GENE 50
BAND
P.AMP
ATT
M-CH/RIT
SET
Reverse
Space Mark
2125
170
Hz
Hz
BFO
Displayed freq.
NB NR ANF
METER
V/M 1 A/B 2 3
SPLIT
=
1.8 3.5 7
4 5 6
MW M-CL AGC
10 14 18
7 8 9
COMP SCAN VOX
21 24 28
.
0
F-INP ENT
RIT MNF
GENE 50
BAND
P.AMP
ATT
M-CH/RIT
SET
[M-CH]
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