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RECEIVE AND TRANSMIT
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D
About RTTY reverse mode
Received characters are occasionally garbled when
the Mark and Space signals are reversed. This rever-
sal can be caused by incorrect TNC connections, set-
ting or commands.
4ORECEIVEREVERSED2449SIGNALSCORRECTLYSELECTTHE
2449REVERSEMODE
±
)NTHE2449MODEHOLDDOWN;#72449=FORSEC
-
ONDTOSELECTTHE2449REVERSEMODE
sh24492vAPPEARSWHENTHE2449REVERSEMODEISSE
-
lected.
s(OLDDOWN;#72449=FORSECONDAGAINTOSELECTTHE
normal mode.
D
4WIN0EAK&ILTER
The Twin Peak Filter changes the receive frequency
response by boosting 2125 and 2295 Hz for better
COPYINGOF2449SIGNALS
q
)NTHE2449MODEPUSH;-%.5=TODISPLAYTHEh-v
screen (Menu 1).
w
0USH;2449=& TODISPLAYTHEh2449vSCREEN
e
Push [TPF](F-4) to turn the Twin Peak Filter ON or
OFF.
r
Push [MENU] to return to the previous display.
./4%
When the Twin Peak Filter is in use, the re-
CEIVEDAUDIOOUTPUTMAYINCREASE4HISISNORMAL
not a malfunction.
Normal
Reverse
170 Hz
170 Hz
2125 Hz
2125 Hz
BFO
BFO
Space
Space
Mark
Mark
D E C
T P F
S E T
RTTY
RTTY
RTTY–TPF
ON
D E C
T P F
S E T
Appears when the Twin Peak
filter is turned ON.
Push