Simrad Robertson AP9 Mk3, Instruction Manual, Page: 149 / 202

Installation
20169223D
5-59
To open the Control unit, remove the four flat-head screws on the
backside, and gently pull the two halves apart. Be aware that the
internal PCB's are interconnected by plugs, thus care must be shown
when putting the two halves together again.
Make sure that the internal dip switches, SW1-2 are correctly set
according to the list below. The settings of SW2 only applies for
synchro input.
Gyro type selection SW1
8 7 6 5 4 3 2 1
Serial gyro 0 0 1 0 0 0 0 1
Stepper (6 steps/degree) 24, 35, 70V 0 0 0 0 0 0 1 1
Synchro 1:1, gyro ref. voltage 0 0 0 1 0 0 0 1
Synchro 90:1, -------
”
-------
0 0 0 0 1 0 0 1
Synchro 360:1 -------
”
-------
0 0 0 0 0 1 0 1
Ref. voltage selection SW2
8 4
150V ref. from gyrocompass 0 0
100V -------
”
-------
0 1
50 - 60V -------
”
------- 1 0
26V -------
”
------- 1 1
Phase voltage selection 7 6 5 3 2 1
110 - 115V 0 0 0 0 0 0
50 - 90V 0 0 0 1 1 1
20 - 24V 1 1 1 0 0 0
11.8V 1 1 1 1 1 1
Caution !
The switches SW1-7/8 must under no circumstance be set to
ON (1) when Reference Voltage is taken from the gyro
compass.
AUTOPILOT EXCITATION OF 1:1 SYNCHRO
SW1 SW2
8
1 7
1 6
0 5
1 4
0 3
0 2
0 1
1 8
1 7
1 6
1 5
1 4
1 3
1 2
1 1
1