Icom IC-7410 Instruction Manual - Page 51

Operating RTTY FSK

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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 band. (p. 25) w P ush [RTTY] to select the RTTY mode. • Pushing [RTTY] alternately selects the RTTY or RTTY reverse mode. e R otate [DIAL] to tune a desired signal. • The S-meter indicates received signal strength. • If the received signal cannot be demodulated, try to select the RTTY reverse mode in step w. • The tuning step can be changed in the tuning step program mode. (p. 27) r P ush [TRANSMIT] to set the transceiver to the transmit mode, or transmit a SEND signal from your TNC. • The TX indicator lights red. • The Po meter displays the transmitted RTTY signal strength. t U se your PC or TNC (TU) to transmit RTTY (FSK) signals. y Push [TRANSMIT] to return to receive. Convenient Receive functions • Preamp and attenuator (p. 55) • Twin PBT (Passband Tuning) (p. 59) • AGC (Auto Gain Control) (p. 56) • Noise Blanker (p. 60) • Noise Reduction (p. 61) • Notch filter (p. 61) • ¼ function (p. 27) • Twin Peak Filter (p. 47) [TRANSMIT] TX indicator [RTTY] [DIAL] "RTTY" or "RTTY-R" appears M1 AGC TBW SCP While receiving, the meter functions as the RTTY tuning meter to make correct tuning easier. Rotate [DIAL] to the point where both sides of the dots appear equally. * While transmitting, the meter functions as the trans- mit meter, selected by pushing [ANT•METER]. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 44

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44
4
RECEIVE AND TRANSMIT
1
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■
Operating RTTY (FSK)
When using your RTTY terminal or TNC, consult the
manual that comes with the equipment.
q
Select the desired band. (p. 25)
w
Push [RTTY] to select the RTTY mode.
• Pushing [RTTY] alternately selects the RTTY or RTTY
reverse mode.
e
Rotate [DIAL] to tune a desired signal.
• The S-meter indicates 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 in the tuning step pro
-
gram mode. (p. 27)
r
Push [TRANSMIT] to set the transceiver to the
transmit mode, or transmit a SEND signal from your
TNC.
• The TX indicator lights red.
• The Po meter displays the transmitted RTTY signal
strength.
t
Use your PC or TNC (TU) to transmit RTTY (FSK)
signals.
y
Push [TRANSMIT] to return to receive.
Convenient Receive functions
• Preamp and attenuator (p. 55)
• Twin PBT (Passband Tuning) (p. 59)
• AGC (Auto Gain Control) (p. 56)
• Noise Blanker (p. 60)
• Noise Reduction (p. 61)
• Notch filter (p. 61)
•
¼
function (p. 27)
•
Twin Peak Filter
(p. 47)
[RTTY]
[DIAL]
[TRANSMIT]
TX indicator
“RTTY” or “RTTY-R” appears
While receiving, the meter functions as the
RTTY tuning meter to make correct tuning
easier.
Rotate [DIAL] to the point where both sides of
the dots appear equally.
* While transmitting, the meter functions as the trans-
mit meter, selected by pushing [ANT•METER].