Raytheon STD 21 GPS Operation Manual page 35

Edition: Feb. 05, 2007
Satellite Compass
STD 21 GPS
General recommendations for a secure installation:
-- Do not install the Antenna Unit during a thunder storm.
-- During installation of the Antenna Unit, no other antennas
should be in active operation.
-- Applicable national safety regulations must be followed while
working in the ships mast.
-- Do not touch PCB's or components inside of the Processor
Unit and inside of the Operator Unit (electrostatic sensitive
devices).
-- Do not touch the accelerometers and the 3--axis sensor
(triade) inside the Processor Unit.
-- Do not leave anything behind (cuttings, tools) in the housing of
the Processor Unit after connecting the cables.
Install equipment at a distance away from magnetic
equipment per recommendations labelled on the
respective equipment.
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STD 21 GPS
3717/110--850.DOC020002