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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
Serial gyro
Stepper (6 steps/degree) 24, 35, 70V
Synchro 1:1, gyro ref. voltage
Synchro 90:1,
-------
Synchro 360:1
-------
Ref. voltage selection
150V ref. from gyrocompass
100V
-------
-------
"
50 - 60V -------
-------
"
26V
-------
-------
"
Phase voltage selection
110 - 115V
50 - 90V
20 - 24V
11.8V
The switches SW1-7/8 must under no circumstance be set to
Caution !
ON (1) when Reference Voltage is taken from the gyro
compass.
AUTOPILOT EXCITATION OF 1:1 SYNCHRO
8
7
6
1
1
0
20169223D
-------
"
-------
"
SW1
5
4
3
2
1
0
0
0
SW1
8
7
6
5
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
SW2
8
0
0
1
1
7
6
5
0
0
0
0
0
0
1
1
1
1
1
1
1
8
7
6
1
1
1
1
Installation
4
3
2
1
0
0
0
1
0
0
1
1
0
0
0
1
1
0
0
1
0
1
0
1
4
0
1
0
1
3
2
1
0
0
0
1
1
1
0
0
0
1
1
1
SW2
5
4
3
2
1
1
1
1
5-59
1
1
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