Beechcraft C-12C Operator And Technical Reference Manual page 374

TM 1-1510-218-10
If an attitude sensor failure occurs, an attitude
flag appears which consists of a red box with black
letters ATT. An attitude flag removes the pitch scale,
roll scale, roll pointer, sky/ground raster, flight director
annunciations and command bars from the display.
(2) The pitch scale, Figure 3C-7, consists of
2.5q increments between 30q to 40q of pitch.
Approximately 40q of the pitch scale is visible at any
given time.
3C-20
1. Vertical Capture (ALT Hold)
2. Vertical Arm #1 (GS Armed)
3. Vertical Arm #2 (ALTSEL Armed)
4. Vertical Deviation Scale
5. VNAV Pointer
6. Lateral Deviation Non-Approach Pointer
7. Lateral Capture (HDG Mode Captured)
8. Lateral Arm (VOR APR Armed or LOC Source)
Figure 3C-6. ADI Display Symbology (Sheet 2 of 2)
(3) The roll scale displays the current roll
attitude of the aircraft.
symbol such that the aircraft roll is graphically
indicated on the roll scale. The roll scale contains the
r 10q, 20q, 30q, 45q, and 60q increments. The rest of
the scale is white. If the roll input is invalid or
unavailable, the roll scale and pointer are removed
from the screen and the ATT flag appears.
(4) If the pitch attitudes exceed +30q or -20q
or if the bank attitude exceeds r 65q all information
It rotates about the aircraft