I Operating Rtty; D Connections For Rtty (Fsk); D Rtty (Fsk) Operation - Icom IC-703 Instruction Manual

I Operating RTTY

D Connections for RTTY (FSK)

Rear panel
[ACC]
Rear panel
view
4 3 2 1
8 7 6 5
12 11 10 9
13

D RTTY (FSK) operation

q Connect a terminal unit as at above.
w Push
[ BAND]/[ BAND] to select the desired
(Y) (Z)
band.
e Push [MODE] momentarily to select RTTY mode.
• After RTTY mode is selected, push [MODE] for 1 sec.
to toggle between RTTY and SSB-D modes.
r
While the quick set mode item "
RTTY mode, rotate main dial to select
åRTTY
mode.
• Push [DISPLAY] for 1 sec. to enter the quick set mode.
• Push [MENU] one or more times to select
• Push [DISPLAY] momentarily to return to normal oper-
ating mode.
t Rotate [AF] to set audio to a comfortable listening
level.
y Select the desired FSK tone/shift frequencies and
keying polarity as at page 40.
u Rotate the main dial to tune a desired signal.
• Use [ ] in the
(F-1)
required.
• S-meter indicates received signal strength.
• If the received signal cannot be demodulated, try se-
lecting åRTTY mode (or RTTY mode).
i Transmit a SEND signal from your TNC.
• The TX indicator lights red.
• The Po meter indicates transmitted RTTY signal
strength.
o
Operate the connected PC or TNC (TU) to trans-
mit RTTY (FSK) signals.
MSEND (orenge)
GND (red)
FSKK (black)
1
SQL* (light green)
AF out (light blue)
Colors refer to connection
to the supplied ACC cable.
" is selected in
RTTY or
.
display when critical setting is
RECEIVE AND TRANSMIT
TU or TNC
1
*
Connect SQL line when required.
[AF] [TX] indicator [MODE] Main dial
[F-1]
[MENU] [F-2]
"RTTY" or "åRTTY" appears
LSB USB CW
S1 3 5 7 9
P 5
O
Personal computer
[DISPLAY]
RTTY AM WFM
R
20 40 60dB VFO A
CH
10
4
4
[Y]
[Z]
38