Operating Rtty (Fsk) - Icom IC-7100 Instruction Manual

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4
RECEIVE AND TRANSMIT

Operating RTTY (FSK)

When using your RTTY terminal or TNC, consult the
manual that comes with the equipment.
q
Select the desired frequency band. (p. 35)
w
On the Mode selection screen, touch "RTTY" to se-
lect the RTTY mode.
• After the RTTY mode is selected, touch "RTTY" again to
toggle between the normal and reverse modes, if need-
ed.
e
Enter the RTTY decoder screen.
q Push
(C) one or more times to select the
MENU
"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.
r
Rotate the Dial to tune a desired signal.
• 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." (p. 38)
t
Switch ON the external TX switch to set the trans-
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.
y
Use your connected PC or TNC (TU) to transmit
RTTY (FSK) signals.
u
Switch OFF the external TX switch to receive.
Convenient Receive functions
• Preamp and attenuator (p. 71)
• Twin PBT (passband tuning) (p. 75)
• AGC (auto gain control) (p. 72)
• Noise blanker (p. 76)
• Noise reduction (p. 77)
• Notch fi lter (p. 77)
• ¼ function (p. 39)
• Twin Peak Filter (p. 58)
L eft D isplay
C enter
"RTTY" or "RTTY-R" appears
Rotate the Dial to the point where both
sides of the dots equally appear.
4-12
The L, R, C or D in the
R ight
instructions indicate the
part of the controller.
L: Left side
R: Right side
C: Center bottom
D: Display (Touch panel)
Touch [DEC]