BENDIX/KING
KAP 140
Page 3--7
Revision 2, Dec/2002
CS:15574F02
3.3.4 DISCRETE INPUT SWITCHES SCREEN
Pressing ‘S’ when the Diagnostics Menu screen is displayed will cause the Discrete Inputs
Switches screen, shown in Figure 3--5, to be displayed. Pressing the ‘ENTER’ key at this point
will return the user to the Diagnostics Menu screen.
System mode: Diagnostic
DISCRETE INPUT SWITCHES
Description Value
-------------- -------
CWS Switch Active NO
AP Switch Active NO
HDG Switch Active NO
NAV Switch Active NO
APR Switch Active NO
REV Switch Active NO
ALT Switch Active NO
UP Switch Active NO
DOWN Switch Active NO
ALT ARM Switch Active NO
BARO Switch Active NO
INC/DEC Inner Knob 0
INC/DEC Outer Knob 0
Press CR to exit:
FIGURE 3--5 DISCRETE INPUT SWITCHES SCREEN
The Discrete Input Switches screen contains the current status of the FCC front panel
pushbuttons, rotary select knob, and external switches in the aircraft.
ITEM DESCRIPTION
CWS Switch Momentary pushbutton on aircraft control wheel
used to temporarily release autopilot control and
synchronize reference in Vertical Speed and Altitude
Hold modes. ‘YES’ implies input is grounded and
therefore CWS switch is being pressed. ‘NO’ implies
input is open and CWS switch is not pressed.
AP Switch Momentary pushbutton on front panel of the FCC
used to engage default autopilot modes. ‘YES’
implies switch is pressed. ‘NO’ implies switch is not
pressed.
HDG Switch Momentary pushbutton on front panel of the FCC
used to engage/disengage Heading Select mode.
‘YES’ implies switch is pressed. ‘NO’ implies switch
is not pressed.
NAV Switch Momentary pushbutton on front panel of the FCC
used to engage/disengage Navigation Arm and
Tracking modes. ‘YES’ implies switch is pressed.
‘NO’ implies switch is not pressed.
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