Raytheon Standard 22 Compact Operator's Manual page 22

After removing the cover:
A DIP switch (B37) and two push--buttons (B38 and B39) are used to adjust the
settings as follows:
Display
Figure 9 : Operating elements on the compass (after removing the cover)
4201.DOC010102
Operator Manual
Compass Standard 22
Standard 22 Compact
Do not touch live parts.
Neither the DIP switches nor the buttons are live.
-- Heading and correction data
-- Settings for functional checks
-- System settings such as data formats or
transmission speeds.
Only authorised personnel are authorised to change system settings!!
Please observe the relevant instructions in the service manual.
Button B38 B37 DIP switch
and
Button B39
16
Edition: February 2015