D Selecting The Rtty-R (Rtty Reverse) Mode; D Selecting The Twin Peak Filter - Icom IC-7200 Advanced Instructions

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4
RECEIVE AND TRANSMIT
Operating in the RTTY (FSK) mode (Continued)
■

D Selecting the RTTY-R (RTTY reverse) mode

Received characters are occasionally garbled when
the receive signal's MARK and SPACE are reversed.
This reversal can be caused by incorrect TNC con-
nections, settings, commands, and so on.
To receive a reversed RTTY signal correctly, select
the RTTY-R (RTTY reverse) mode.
Push to select RTTY mode.
q MODE
Hold down
w
MODE
the RTTY and RTTY-R modes.

D Selecting the Twin peak filter

The twin peak filter changes the receive frequency re-
sponse by boosting two particular frequencies (2125
and 2295 Hz) for better copying of desired RTTY sig-
nals.
Push MODE to select RTTY mode.
q
MODE
• Hold down
RTTY and RTTY-R modes.
M-CH/RIT
Hold down
w
Set mode.
Rotate [M-CH] to select "TPF", then rotate [DIAL]
e
to turn the twin peak filter function ON or OFF.
• The received audio volume may become greater when
the twin peak filter is ON.
M-CH/RIT
Push
r
SET
for 1 second to toggle between
for 1 second to toggle between the
for 1 second to enter the Quick
SET
to exit the Quick Set mode.
Normal
Space Mark
2125
170
Hz
Hz
BFO
Displayed frequency
4-12
Reverse
Space Mark
2125
170
Hz
Hz
BFO
Displayed freq
[DIAL] [M-CH]
OFF (default)
uency