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4
RECEIVE AND TRANSMIT
4-12
When using your RTTY terminal or TNC, consult the
manual that comes with the equipment.
Select the desired frequency band. (p. 3-6)
q
On the Mode selection screen, touch “RTTY” to se-
w
lect the RTTY mode.
• After the RTTY mode is selected, touch “RTTY” again to
toggle between the normal and reverse modes, if need-
ed.
Enter the RTTY decoder screen.
e
q
Push
MENU
(
C
) one or more times to select the
“M-2” screen (M-2 menu).
w
Touch [DEC](
D
) to display the RTTY decoder
screen.
• Touch [WIDE](
D
) to toggle the decode screen size
between normal and wide.
Rotate the Dial to tune a desired signal.
r
• The S-meter displays the received signal strength.
• If the received signal cannot be demodulated, try to se
-
lect the RTTY reverse mode in step
w
.
• The tuning step can be changed on the Tuning step se
-
lection screen by touching “kHz frequency.” (
Switch ON the external TX switch to set the trans-
t
ceiver to the transmit mode, or transmit a SEND sig-
nal from your TNC.
• The TX/RX indicator lights red.
•
The Po meter displays the transmitted RTTY signal
strength.
Use your connected PC or TNC (TU) to transmit
y
RTTY (FSK) signals.
Switch OFF the external TX switch to receive.
u
Convenient Receive functions
• Preamp and attenuator (p. 5-2)
• Twin PBT (passband tuning) (p. 5-5)
• AGC (auto gain control) (p. 5-3)
• Noise blanker (p. 5-8)
• Noise reduction (p. 5-9)
• Notch filter (p. 5-10)
• ¼ function (p. 3-10)
• Twin Peak Filter (p. 4-13)
Operating RTTY (FSK)
L
eft
R
ight
C
enter
D
isplay
The
L
,
R
,
C
or
D
in the
instructions indicate the
part of the controller.
L
: Left side
R
: Right side
C
: Center bottom
D
: Display (Touch screen)
“RTTY” or “RTTY-R” appears
Touch [DEC]
Rotate the Dial to the point where both
sides of the dots equally appear.
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