Icom IC-7800 Instruction Manual - Page 63
Functions for the RTTY decoder indication, Setting the decoder threshold level
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4 RECEIVE AND TRANSMIT D Functions for the RTTY decoder indication [F-6•MAIN/SUB] [F-7•WIDE] [F-2•HOLD/CLR] [RTTY/PSK] [EXIT/SET] • Wide screen indication q Push a band key to select the desired band. w Push [RTTY/PSK] to select RTTY. • After RTTY mode is selected, push [RTTY/PSK] for 1 sec. to toggle between RTTY and RTTY-R modes. • "RTTY" or "RTTY-R" appears. e Push [F-3•DECODE] to display the decoder screen. • When tuned into an RTTY signal, decoded characters are displayed in the RX contents screen. r Push [F-2•HOLD/CLR] to freeze the current screen. • " HOLD " appears while the function is in use. • Push [F-2•HOLD/CLR] again to release the function. t Push [F-2•HOLD/CLR] for 1 sec. to clear the displayed characters. • " HOLD " indicator disappears at the same time when the hold function is in use. y Push [F-7•WIDE] to toggle the RTTY decode screen size from normal and wide. • S/RF meter type during wide screen indication can be selected in display set mode. (pgs. 3-11, 12-11) u Push [F-6•MAIN/SUB] to toggle the MAIN and SUB band for decode operation. • Dualwatch function (p. 5-16) should be ON when SUB band is selected for decode operation. i Push [EXIT/SET] to close the RTTY decode screen. D Setting the decoder threshold level Adjust the RTTY decoder threshold level if some characters are displayed when no signal is received. q Select the RTTY decoder screen as described above. w Push [F-5•ADJ] to select the threshold level setting condition. e Rotate the main dial to adjust the RTTY decoder threshold level. • Push [F-6•DEF] for 1 sec. to select the default setting. r Push [F-5•ADJ] to exit from the threshold level setting condition. The UnShift On Space (USOS) function and new line code can be set in the RTTY set mode. (p. 418) 4-15