Icom IC-7700 Instruction Manual - Page 67

4 RECEIVE AND TRANSMIT D Functions for the RTTY decoder indication HOLD/CLR F-2 WIDE F-7 RTTY/PSK EXIT/SET q Push a band key to select the desired band. w Push RTTY/PSK to select RTTY. • After RTTY mode is selected, push and hold RTTY/PSK for 1 sec. to toggle between RTTY and RTTY-R modes. • "RTTY" or "RTTY-R" appears. e Push [DECODE] F-3 to display the decode screen. • When tuned into an RTTY signal, decoded characters are displayed in the RX contents screen. r Push [HOLD/CLR] F-2 to freeze the current screen. • " HOLD " appears while the function is in use. • Push [HOLD/CLR] F-2 again to release the function. t Push and hold [HOLD/CLR] F-2 for 1 sec. to clear the displayed characters. • " HOLD " indicator disappears at the same time when the hold function is in use. y Push [WIDE] F-7 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, 12-10) u Push EXIT/SET to close the RTTY decode screen. • Wide screen indication 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 decode screen as described above. w Push [ADJ] F-5 to select the threshold level setting condition. e Rotate the main dial to adjust the RTTY decoder threshold level. • Push and hold [DEF] F-6 for 1 sec. to select the default setting. r Push [ADJ] F-5 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. 4-18) 4-15