I A P 2 0 2 3 . 0 0 1 - A F M / I R I S T E X A N I I P A G E | 75
FOR SIMULATION USE ONLY – NOT A TRAINING AID
Backup instrument lighting operates at a fixed level when the auxiliary
battery is powering the system.
The slip/skid indicator is similar in appearance to the minor graduations of the pitch
ladder (both appear as white lines parallel to the horizon). The following
characteristics will distinguish the slip/skid indicator from the pitch ladder:
The pitch ladder display is inhibited in the region where the slip/skid
indication is displayed; there is no possibility of the pitch ladder obscuring or
even touching the slip/skid indication.
The slip/skid indicator width is equal to the width of the roll pointer. This
width is less than one-half the width of the pitch ladder minor graduations,
and less than one-quarter the width of the major graduations.
Magnetic Sensor Unit
The magnetic sensor unit is located in the right wing. The unit is accessed through a
panel on the top of the wing. The magnetic sensor unit converts the earth's
magnetic lines of flux into an electrical signal, which is provided to the backup
instrument.
Front Panel Controls
The pilot interfaces with the indicator using an adjustment knob.
ADJUSTMENT KNOB
The knob can be rotated to the right and left, as well as pushed in. Data to be
changed by the adjustment knob increases with a clockwise rotation of the knob
and decreases with a counter clockwise rotation of the knob.
A. Barometric Correction:
The adjustment knob is used to change the baro setting at all times except when in
the menu mode or when altitude is invalid.
Rotating the knob clockwise increases the barometric setting, while rotating the
knob counter clockwise decreases the barometric setting.
The range of the barometric setting is from 22.00 In.Hg to 31.00 In.Hg with
increments of 0.01 In.Hg. When standard barometric pressure (29.92 In.Hg) is
desired, push in on adjustment knob and a display of STD appears in the barometric
display window. The barometric setting value is restored to previous setting after
power is cycled.
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