Standard multiplexer setup menu:

*** Select option by entering single digit or letter: ***
1 - Set baudrate to 4800.
2 - Set baudrate to 9600.
3 - Set baudrate to 19200.
4 - Set baudrate to 38400.
5 - Enable 5th input port.
6 - Disable 5th input port.
I - Set port 1: Seatalk, NMEA ID,= $II.
S - Set port 1: Seatalk, NMEA ID,= $ST.
N - Set port 1: NMEA, Seatalk disabled.
F - Upload filtering/editing definitions.
L - Upload LCD screen definitions.
A - GPS backup: priority port 1, backup port 2.
B - GPS backup: priority port 2, backup port 3.
C - GPS backup: priority port 3, backup port 4.
D - Disable GPS backup feature.
P - NMEA Data Pacing (port 3, 1 sec.).
Q - NMEA Data Pacing (port 4, 2 sec.).
R - Disable NMEA Data Pacing.
X - Exit setup.
***

AIS multiplexer setup menu

*** Select option by entering single digit or letter:***
 1 - Set baudrate to 4800.
 2 - Set baudrate to 9600.
 3 - Set baudrate to 19200.
 4 - Set baudrate to 38400.
 5 - Baudrate conv. opt. 1.
 6 - Baudrate conv. opt. 2.
 7 - Baudrate conv. opt. 3.
 I - Set port 1: Seatalk, NMEA ID = $II.
 S - Set port 1: Seatalk, NMEA ID = $ST.
 N - Set port 1: NMEA, Seatalk disabled.
 F - Upload filtering/editing definitions.
 L - Upload LCD screen definitions.
 A - GPS backup: priority port 1, backup port 2.
 B - GPS backup: priority port 2, backup port 3.
 C - GPS backup: priority port 3, backup port 1.
 D - Disable GPS backup feature.
 P - NMEA Data Pacing (Port 2, 1 sec.).
 Q - NMEA Data Pacing (Port 3, 2 sec.).
 R - Disable NMEA Data Pacing.
 X - Exit setup.
***