D Functions For The Rtty Decoder Indication; D Setting The Decoder Threshold Level - Icom IC-756PROIII Instruction Manual

D D 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.
AGC AGC
MID MID **** **** RTTY RTTY Decode Decode Monitor
45bps 45bps BAUDOT BAUDOT Mark=2125, Mark=2125, Shift=170
UnShift UnShift On On Space Space support
RTTY RTTY
New New Line Line Code Code selectable selectable (SET-OTHERS)
FIL FIL
ON ON If If RTTY-FIL RTTY-FIL is is OFF,
-------------------------------------------- --------------------------------------------
1/4 1/4
OFF OFF
<MENU1> <MENU1> HLD/CLR HLD/CLR TX MEM TX MEM
D D Setting the decoder threshold level
Adjust the RTTY decoder threshold level if some
characters are displayed when no signal is received.
AGC AGC
MID MID **** **** RTTY RTTY Decode Decode Monitor
45bps 45bps BAUDOT BAUDOT Mark=2125, Mark=2125, Shift=170
UnShift UnShift On On Space Space support
RTTY RTTY
New New Line Line Code Code selectable selectable (SET-OTHERS)
FIL FIL
ON ON If If RTTY-FIL RTTY-FIL is is OFF,
-------------------------------------------- --------------------------------------------
1/4 1/4
OFF OFF
ADJ ADJ
RTTY DECODE RTTY DECODE
Monitor **** ****
Shift=170
support (SET-OTHERS) (SET-OTHERS)
(SET-OTHERS)
OFF, Please Please turn turn ON. ON.
THRESHOLD THRESHOLD 9
ADJ ADJ WIDE WIDE
RTTY DECODE RTTY DECODE
Monitor **** ****
Shift=170
support (SET-OTHERS) (SET-OTHERS)
(SET-OTHERS)
OFF, Please Please turn turn ON. ON.
THRESHOLD THRESHOLD 9 9
DEF DEF ADJ ADJ WIDE WIDE
RECEIVE AND TRANSMIT
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.
ANT ANT
350 350 0
BW BW SFT SFT
1
V F O V F O qr≥qot≥pp
T X T X
METER METER
14.100.00
V F O V F O
Po Po
RTTY DECODE RTTY DECODE
**** **** RTTY RTTY Decode Decode Monitor
P.AMP P.AMP
1 45bps 45bps BAUDOT BAUDOT Mark=2125, Mark=2125, Shift=170
UnShift UnShift On On Space Space support
New New Line Line Code Code selectable selectable (SET-OTHERS)
ATT ATT
If If RTTY-FIL RTTY-FIL is is OFF, OFF, Please
OFF OFF
-------------------------------------------- --------------------------------------------
CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
AGC AGC
MID MID CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN CQ CQ CQ THIS IS JA3YUA JA3YUA OSAKA JAPAN
RTTY RTTY
FIL FIL
ON ON
1/4 1/4
OFF OFF
<MENU1> <MENU1> HLD/CLR HLD/CLR TX MEM TX MEM
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.
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)
qw:pp
12:00
R T T Y R T T Y FIL FIL2
R T T Y R T T Y FIL2 FIL
Monitor **** ****
Shift=170
support (SET-OTHERS) (SET-OTHERS)
(SET-OTHERS)
Please turn turn ON. ON.
THRESHOLD THRESHOLD 9
ADJ ADJ WIDE WIDE
4
4
46