FLIGHT
INSTRUMENTS
AIRPLANE
OPERATIONS
MANUAL
2-17-20
Page
12
Code
01
REVISION 37
AOM-145/1114
8 - ALTITUDE INDICATION
Altitude tape positioned vertically on the upper right segment of
the display.
Ranges from -2000 to 50000 ft with 5 digits green display read-
out in a yellow frame. A NEG indication is displayed vertically in
white in case of negative altitude.
9 - PITCH INDICATION
The pitch scale comprises white reference lines every 2.5q
between -30q and +30q, and the associated pitch angle values,
in white, every 10q between -50q and +50q and at r80q. The
sector above the horizon line of the screen is blue and the
sector below is brown.
Beyond r30q, red chevrons are displayed to indicate excessive
pitch angle and the direction to follow in order to reduce it.
10 - BARO ROTARY KNOB
Allows performing QFE/QNH settings.
When the knob is turned at a slow rate, the value increases in
0.01 inHg or 1 hPa increments. When turned at a faster rate,
the increment is in 0.05 inHg or 5 hPa steps.
11 - MAGNETIC HEADING
Given by the horizontal displacement of the heading scale.
Indication symbol yellow and heading scale graduated by white
dots every 5°, with a white two-digit indication every 20°. The
last digit (0) is not shown (e.g., 320° is thus presented as 32).
The visible range is 50°.
12 - CAGE BUTTON
Resets attitude to provide a fast erection function.
When it is maintained pressed for more than two seconds,
resets the horizon function to zero and warning a “ATT 10s” flag
is displayed.
13 - MACH NUMBER INDICATION
The range is from 0.1 to 1 M and is displayed for Mach above
0.45 and when decreasing until Mach 0.40.
The decimal point and the two digits on the lower left corner of the
display are green when the airspeed and Mach number are lower than
V
MO
/M
MO
and red when the airspeed and Mach Number are equal to or
greater than V
MO
/M
MO
.
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