SET BAROMETRIC PRESSURE COUNTERS; TURN SERVO SYSTEM OFF OR RESET SERVO SYSTEM
BBHK
SCALE RANGE
"RANGE -1000 TO +80,000 FEET"
BBHL
SCALE SMALLEST INCREMENT GRADUATION
50 FEET
CXCY
PART NAME ASSIGNED BY CONTROLLING AGENCY
"ALTIMETER, SERVOED, COUNTER-DRUM-POINTER"
FEAT
SPECIAL FEATURES
"POWER 115 VAC, 400 HZ, SINGLE PHASE; INTEGRAL 5 VAC LIGHTING; DIAL DIAMETER 2.750 INCHES; HOUSED IN STANDARD MS33556 INSTRUMENT CASE; EACH REVOLUTION OF POINTER MEANS 1000 FEET OF ALTITUDE CHANGE; HUNDREDS OF FEET READ FROM VERTICAL DRUM; THOUSANDS OF FEET READ FROM 2 COUNTERS"
FTLD
FUNCTIONAL DESCRIPTION
"A SERVOED ALTIMETER WITH AUTOMATIC PRESSURE STANDBY FEATURE WITH RANGE FROM -1000 TO +80,000 FEET; BAROMETRIC ALTITUDE DATA IS TRANSFERRED VIA SYNCHRO OUTPUTS TO THE ALTIMETER SERVO MECHANISM WHICH IN TURN DRIVES THE COUNTER-DRUM-POINTER DISPLAY MECHANISM; THE UNIT PROVIDES THE PILOT WITH VISUAL INDICATION OF THE ALTITUDE BEING TRANSMITTED TO GROUND STATIONS"