Icom IC-7100 Advanced Instructions - Page 77
Operating RTTY (FSK), Convenient Receive functions
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Previous view 4 RECEIVE AND TRANSMIT Operating RTTY (FSK) When using your RTTY terminal or TNC, consult the manual that comes with the equipment. qqSelect the desired frequency band. (p. 3-6) wwOn 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 needed. eeEnter the RTTY decoder screen. q P ush MENU (C) one or more times to select the "M-2" screen (M-2 menu). w T ouch [DEC](D) to display the RTTY decoder screen. • Touch [WIDE](D) to toggle the decode screen size between normal and wide. rrRotate the Dial to tune a desired signal. • The S-meter displays the 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 on the Tuning step selection screen by touching "kHz frequency." (p. 3-9) ttSwitch ON the external TX switch to set the transceiver to the transmit mode, or transmit a SEND signal from your TNC. • The TX/RX indicator lights red. • T he Po meter displays the transmitted RTTY signal strength. yyUse your connected PC or TNC (TU) to transmit RTTY (FSK) signals. uuSwitch OFF the external TX switch to receive. 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) Left Display Center Right 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. 4-12