Raytheon Standard 22 Compact Operator's Manual page 46

-- Undo the two screws at the top and the bottom of the door of the gyro compass
enclosure and lift out the door, paying attention to the earthing strip.
-- Switch off the follow--up function (see Figure 18 ).
This must be done to prevent a twisting of connected cables (no plugs must be
disconnected).
B37 DIP switch
Figure 18 : Arrangement of DIP switch
-- Set DIP switch 7 into the upper position (the follow--up function is stopped)
-- Place both hands under 2 of the 4 snap closures and release them by pressing with
the thumbs.
-- Carefully turn the outer sphere through 90 and repeat the process with the other two
snap closures. The outer sphere is now free (except connected cables) and can be
removed.
-- Still holding the outer sphere with both hands, lower it tightly (This releases the
locking device), carefully remove it out of the compass enclosure (as far as the cable
length)and set it down.
4201.DOC010102
Operator Manual
Compass Standard 22
and
Standard 22 Compact
It is not necessary to switch off the gyro compass for this
measurement.
DIP switch
Caution!
Handling of the outer sphere should be performed
to the greatest possible extent in a horizontal position.
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Edition: February 2015