K114 Issue No. 9
Installation 2 - 9
2
reference level
inst
AIR DATA
COMPUTER
STATIC
PITOT
reference level
altitude
correction
value
Corrected altitude = Altitude measurement - Altitude correction value
Zone 2 defined hazardous area
2.6 Positioning of the ADTS 405F
WARNING: DO NOT DISCONNECT THE ATEX CERTIFIED HAND TERMINAL WHEN
ENERGIZED IN THE HAZARDOUS AREA. THIS CAN CAUSE AN EXPLOSION.
To operate safely, the ADTS 405F must be placed outside the user defined zone 2
hazardous area. Only the ATEX certified hand terminal may be used inside the defined
zone 2 hazardous area (refer to section 6.5 for a definition).
It is important that the position of the ADTS 405F in relation to the aircraft altitude
sensors is known. An altitude correction must be made to allow for the difference in
height between the reference level and the aircraft's altitude sensors. The Reference
section contains details of altitude correction.
WARNING: OBSERVE THE APPROPRIATE SAFETY
INSTRUCTIONS AND PROCEDURES DETAILED IN
THE AIRCRAFT MAINTENANCE MANUALS.
F
IGURE 2-3 ADTS 405F ALTITUDE REFERENCE
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