BENDIX/KING
KAP 140
Page 3--16
Revision 2, Dec/2002
CS:15574F02
3.3.7 ANALOG INPUTS SCREEN
Pressing ‘A’ when the Diagnostics Menu screen is displayed will cause the Analog Inputs screen,
similar to Figure 3--13, to be displayed. Pressing ‘ENTER’ when this screen is displayed returns
the user to the Diagnostics Menu screen.
This screen includes analog inputs from various sensor sources, typically scaled in engineering
units. Each data value displayed is updated at 8 Hz. Also included is the unit of measure and an
indication as to whether the signal is valid (“1” = valid; “0” = invalid), based upon an associated valid
input (if available) or a general analog valid (based upon internal ±15V supplies).
NOTE
For units with SW version 01/04 or earlier, the analog value is not
updated if the signal is considered invalid. Therefore, for these units,
the value does not necessarily represent the current input if the
signal is flagged invalid.
System mode: Diagnostic
ANALOG VALUE INPUTS
Description Units Data Valid
-------------- ------- ------ -----
Accel Normal fps2 -6.284 1
Accel High Pass fps2 0.0799 1
Roll Rate deg/sec 0.029 1
Roll Steering deg/sec 0.000 1
Heading Datum deg 0.089 1
Course Datum deg 0.000 1
NAV dev deg 0.098 1
GS dev deg 0.005 1
Trim sense in-lb 0.122 1
Temperature deg C 37.397 1
Flap voltage volt 0.065 1
Pressure sensor ratio NONE 0.78555 -
Pitch tach volt 0.098 1
Press CR to exit:
FIGURE 3--8 ANALOG INPUTS SCREEN
ITEM DESCRIPTION
Accel Normal Normal accelerometer sensor internal to the FCC.
This input may have a large offset (up to 64 fps
2
);
only relative measurements are meaningful. Input
range is ±161 fps
2
. Displayed resolution is 0.32 fps
2
per bit. Validity based on internal Analog Valid.
Accel High Pass (--xxx2, --xxx3, --xxx4 versions only) High--pass
filtered and re--scaled version of internal Accel
Normal signal. High--pass filter time constant is 35
seconds. Input range is ±40.2 fps
2
. Displayed
resolution is 0.08 fps
2
per bit. Validity based on
internal Analog Valid.
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