Raytheon Standard 22 Compact Operator's Manual page 50

Operator Manual
Compass Standard 22
and
Standard 22 Compact
Display
Button B38 B37 DIP switch Button B39
Figure 21 :Operating elements on the compass (after removing the cover)
The following failed PC--boards are possible:
PCbP = power PCB faulty
PCbS = sensor PCB faulty
PCBC = connection PCB faulty
PCbG = outer sphere PCB faulty
See the service manual for more details.
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4201.DOC010102 Edition: February 2015