Furuno IB-681 User Manual
Page 14

4
SW2: Terminal interface
Interface with HSD terminal.
OFF: RS-449 (D-SUB 37 pin connector).
ON: RS-232 (D-SUB 25 pin connector).
SW3: Automatic data rate switching
Determines whether to receive data at data rate other than what is set with the Data Rate
switch in the switch panel.
OFF: Prevents reception of data received at data rate other than which is set with the data
rate switch.
ON: Enables reception of data received at data rate other than which is set with the data
rate switch.
SW4: Command format
Sets command format to the HSD modem, and is only effective when SW1 is set for
address call (ON). Set according to specification of HSD terminal.
OFF: HDLC format
ON: BSC format
HDLC command format
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SW5: Character format
Sets character format to the HSD modem, and is only effective when SW1 is set for ad-
dress call (ON). Set according to specification of HSD terminal.
OFF: 8 bit, no parity
ON: 7 bit, even, odd parity