MAINTENANCE AND ACCESSORIES
SECTION 8.3
8,3
VER.V09F
PRESSURE RELIEF
Under certain circumstances (change of altitude, etc.) the
interior of HUNTER may have a substantial pressure difference
compared with the environment. This can lead to two
consequences in HUNTER,
1) Internal overpressure
difficult to operate,
making the keys stiff and
·2) External overpressure : a tendency to ingest any
rainwater adjacent to the seals, and·in extreme cases, the
possibility of activating the keys,
In either case, any pressure differential can be released by
slightly loosening the battery cap.
If you are taking HUNTER on an airLi.ne trip, this is a sensible
precaution to take.
PAGE 8 - 3
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