190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 30-213
After a discrete input is configured for either Active Low or Active High, it is assigned to a specific
function. The following discrete input functions are supported:
• User-Defined Alert - Used to display a custom alert on the PFD when the discrete input is active.
Both the message text and the message color can be entered. A red alert will generate an audible
warning tone.
• AFCS Level - Used in conjunction with the autopilot to activate LVL mode. This input should be
connected to a momentary pushbutton.
• AFCS TO/GA - Used in conjunction with the automatic flight control system (AFCS) flight
director to activate Takeoff or Go-Around mode. This input should be connected to a momentary
pushbutton located near the pilot's throttle control.
• Canopy Closed - Used with a switch that activates the input when the aircraft canopy is closed and
locked. A solid yellow CANOPY OPEN message will appear on the PFD if the Canopy Closed
input is not active. If engine power is increased or the aircraft is airborne, the CANOPY OPEN
message will flash red and an alert tone will sound. If a Logic Signal is selected to be associated
with this input using the Alert Mode setting, the state of the selected Logic Signal will be used in
place of engine power and airborne state.
• COM Freq Swap - Used with a GMA 245/245R audio panel and a connected COM radio to swap
the active and standby frequencies on the currently selected COM. The audio panel's selected
microphone channel is used to find which radio receives the frequency swap command.
• Door Closed - Same as Canopy Closed except alert text is DOOR OPEN. If a Logic Signal is
selected to be associated with this input using the Alert Mode setting, the state of the selected
Logic Signal will be used in place of engine power and airborne state.
• ESP Inhibit - Used with a switch that activates the input. When in the active state (select active
high or active low), the ESP (Electronic Stability and Protection) function is disabled. See
Section 30.4.12
for ESP configuration details.
• Event Marker - When activated, the Flight Data Log records a number 1 in the Event Marker
Column. This input should be connected to a momentary pushbutton.
• User Timer - Remote control for the user timer. A momentary switch activation will start/stop the
user timer. Press and hold the switch to reset the timer.
• Master Annunciator Reset - Acknowledges all warning and caution CAS messages.
• Master Caution Reset - Acknowledges all caution CAS messages.
• Master Warning Reset - Acknowledges all warning CAS messages.
• Gear Down - Used with a switch that activates the input when the aircraft's landing gear is down
and locked. When active, a solid green GEAR DOWN indication is displayed on the PFD. If
inactive, and the aircraft is at a low engine power setting and a low altitude, a red CHECK GEAR
alert message appears and a warning tone sounds continuously. When the aircraft's indicated
airspeed is greater than VFE, VLE, or VLO (whichever is lowest) the CHECK GEAR alert
message will not appear. For turbine engine applications, the CHECK GEAR alert message will
not appear when engine torque is greater than the bottom of the lowest green color band on the
torque gauge.
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