Operation Manual

38
4
RECEIVE AND TRANSMIT
D Connections for RTTY (FSK)
4
8
12
[ACC]
123
765
9
1011
13
Rear panel
TU or TNC
Personal computer
Rear panel
view
Colors refer to connection
to the supplied ACC cable.
*
1
Connect SQL line when required.
MSEND (orenge)
GND (red)
FSKK (black)
SQL*
1
(light green)
AF out (light blue)
■ Operating RTTY
D RTTY (FSK) operation
q Connect a terminal unit as at above.
w Push [(Y)BAND]/[(Z)BAND] to select the desired
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 “Q2” is selected in
RTTY mode, rotate main dial to select RTTY or
åRTTY mode.
•Push [DISPLAY] for 1 sec. to enter the quick set mode.
•Push [MENU] one or more times to select Q2.
•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 [(F-1)1/4] in the M4 display when critical setting is
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.
•T
he Po meter indicates transmitted RTTY signal
strength.
o Operate the connected PC or TNC (TU) to trans-
mit RTTY (FSK) signals.
R
LSB
CH
VFO A
P O
S1
5
5379
20 40
10
60dB
USB CW R TT Y AM WFM
M4 1/4 TON AGC
[TX] indicator [MODE] Main dial
[DISPLAY][F-1]
[MENU]
[F-2]
[AF]
[Y]
[Z]
“RTTY” or “åRTTY” appears
4