Icom IC-756PROIII - D Functions for the RTTY Decoder Indication; D Setting the Decoder Threshold Level

46
4
RECEIVE AND TRANSMIT
4
DD
Functions for the RTTY decoder indication
The transceiver has an RTTY decoder for Baudot
(mark freq.: 2125 Hz, shift freq.: 170 Hz, 45 bps).
An external terminal unit (TU) or terminal node con-
troller (TNC) is not necessary for receiving a Baudot
signal.
q Push [EXIT/SET] several times to close a multi-
function screen, if necessary.
w Push [CW/RTTY] to select RTTY mode.
e Push [(F-3)DECODE] to turn the RTTY decoder
ON.
•RTTY decoder screen appears.
r If the RTTY filter is turned OFF, push [RTTY FIL]
to turn the function ON.
•The RTTY decoder does not function when the RTTY
filter is turned OFF.
t Push [(F-2)HOLD/CLR] momentarily to freeze the
current screen.
• “HOLD” appears while the function is in use.
y Push [(F-5)WIDE] to toggle the normal or wide
screen space.
u Push [(F-2)HOLD/CLR] for 1 sec. to clear the dis-
played characters.
i Push [EXIT/SET] to exit the RTTY decoder
screen.
SFTSFT
0
BWBW
350 350
RTTY DECODERTTY DECODE
VFOVFO
VFOVFO
qr≥qot≥pp
14.100.00
RTTY RTTY FILFIL2
RTTY RTTY FILFIL2
TXTX
AGCAGC
MIDMID
1/41/4
OFFOFF
RTTYRTTY
FILFIL
ONON
METERMETER
PoPo
P.AMPP.AMP
1
ATTATT
OFFOFF
ANTANT
1
<MENU1><MENU1> TX MEMTX MEM
HLD/CLRHLD/CLR
ADJADJ
WIDEWIDE
qw:pp
12:00
********RTTYRTTYDecodeDecodeMonitorMonitor ********
45bps45bpsBAUDOTBAUDOTMark=2125,Mark=2125,Shift=170Shift=170
UnShiftUnShift OnOn SpaceSpace supportsupport(SET-OTHERS)(SET-OTHERS)
NewNew LineLineCodeCode selectableselectable(SET-OTHERS)(SET-OTHERS)
IfIfRTTY-FILRTTY-FILisisOFF,OFF, PleasePleaseturnturnON.ON.
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CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPANCQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPANCQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPANCQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
THRESHOLDTHRESHOLD 9
AGCAGC
MIDMID
1/41/4
OFFOFF
RTTYRTTY
FILFIL
ONON
<MENU1><MENU1>
HLD/CLRHLD/CLR TX MEMTX MEM
ADJADJ
WIDEWIDE
********RTTYRTTYDecodeDecodeMonitorMonitor ********
45bps45bpsBAUDOTBAUDOTMark=2125,Mark=2125,Shift=170Shift=170
UnShiftUnShift OnOn SpaceSpace supportsupport(SET-OTHERS)(SET-OTHERS)
NewNew LineLineCodeCode selectableselectable(SET-OTHERS)(SET-OTHERS)
IfIfRTTY-FILRTTY-FILisisOFF,OFF, PleasePleaseturnturnON.ON.
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THRESHOLDTHRESHOLD 9
RTTY DECODERTTY DECODE
DD
Setting the decoder threshold level
Adjust the RTTY decoder threshold level if some
characters are displayed when no signal is received.
q Call up the RTTY decoder screen as described
above.
w Push [(F-4)ADJ] to select the threshold level set-
ting condition.
e Rotate the tuning dial to adjust the RTTY decoder
threshold level.
•Push [(F-3)DEF] for 1 sec. to select the default condi-
tion.
r Push [EXIT/SET] to exit the RTTY decoder
screen.
The UnShift On Space (USOS) function and new
line code can be set in the RTTY set mode. (p. 49)
THRESHOLD
THRESHOLD
9
9
ADJ
ADJ
AGC
AGC
MID
MID
1/4
1/4
OFF
OFF
RTTY
RTTY
FIL
FIL
ON
ON
DEF
DEF
ADJ
ADJ
WIDE
WIDE
****
****
RTTY
RTTY
Decode
Decode
Monitor
Monitor
****
****
45bps
45bps
BAUDOT
BAUDOT


Mark=2125,
Mark=2125,
Shift=170
Shift=170
UnShift
UnShift
On
On
Space
Space
support
support
(SET-OTHERS)
(SET-OTHERS)
New
New
Line
Line
Code
Code
selectable
selectable
(SET-OTHERS)
(SET-OTHERS)
If
If
RTTY-FIL
RTTY-FIL
is
is
OFF,
OFF,
Please
Please
turn
turn
ON.
ON.
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RTTY DECODE
RTTY DECODE