Furuno FS-1562 Manual page 56

9947
The "1": SQ on Telex [1-OFF] setting automatically turns off the SQ (if
ON) when
class of emission is changed to TELEX. (Note that AF signal to DP-5/6 is
not passed through squelch circuit, so this setting is not for DP-5/6 connection.)
9948
The '1": NB on Telex [1-OFF] setting automatically turns off the NB (if ON) when
class of emission is changed to TELEX.
9949
AGC on Telex
*The "1" setting sets AGC to FAST when class of emission is changed to TELEX.
9950
Duplex on Telex
*The "1" setting inhibits DUPLEX mode (unnecessary on TELEX) when class of
emission is changed to TELEX.
9952
1: ON (Connected to GND)
*This function is available only when the Rx antenna is installed and dummy load
board with antenna earth relay is mounted in the coupler. If you want to connect
the Tx antenna to ground manually (irrespective of 9952 setting), press the
[DUMMY] key. (For HF band of the FS-8000, this function is operative only
when the output power is selected for "Low 2" or less.)
9953
2182 --- Transmission 2182 kHz, Reception all frequencies
9961
ITU Freq. Table [0-Standerd, 1-USA, 2-EU]
[2-EU] selection; MF band ITU frequency list added.
A3-9
FS-5000/8000