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RECEIVE AND TRANSMIT
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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
MODE
to select RTTY mode.
w After RTTY mode is selected, push and hold
MODE
for 1 sec. to toggle between RTTY and
RTTY-R modes.
D Twin peak filter
The twin peak filter changes the receive frequency
response by boosting two particular frequencies
(2125 and 2295 Hz) for better copying of desired RTTY
signals.
q Push
MODE
to select RTTY mode.
•
After RTTY mode is selected, push and hold
MODE
for 1 sec. to toggle between RTTY and RTTY-R modes.
w Push and hold
M-CH/RIT
SET
for 1 sec. to enter the
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.
r Push
M-CH/RIT
SET
to exit the quick set mode and re-
turn to normal operation.
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