190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 30-214
• Gear Up - 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. 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 the default internal logic.
• Gear Up (Amphib) - Same as the preceding Gear Up configuration, except it also displays a blue
GEAR UP message on the PFD when the gear is confirmed up. This is intended for use in
amphibious aircraft that desire a positive indication of both gear-up and gear-down states.
• Pitot Temp - Will display a PITOT TEMP caution message on the PFD if the outside air
temperature is below approximately 5°C (41°F) and the input is not active. Configure for Active
Low when used with the regulated GAP 26 (-20 version). See also GAP 26 Alert Configuration
(following).
• Glide Activate - Can be used as an additional means to activate Smart Glide, by using a dedicated
panel mounted switch. This input should be connected to a momentary pushbutton. A Garmin
Smart Glide switch can optionally be used to activate this input (Garmin p/n 011-05930-00).
• Speed Brake - Used with a switch that activates the input when the aircraft's speed brake is fully
retracted (closed). A white SPEED BRAKE message will appear on the PFD if the Speed Brake
discrete input is not active. If engine power is increased, such as if the speed brake is deployed
during takeoff or climb, the SPEED BRAKE message will flash red and a tone will sound. If the
aircraft has a maximum airspeed limit for speed brake deployment, it can be configured as a
custom reference speed with the label "VSB" (see Section 30.4.14
). Regardless of engine power
setting, if the Speed Brake input is not active and the aircraft's indicated airspeed exceeds VSB, the
SPEED BRAKE message will flash red and a 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.
• Squat Switch - Used with a weight-on-wheels switch that activates the input when the aircraft is on
the ground. If a Stall Switch input is also configured, the Squat Switch input will override it (to
reduce nuisance alerting when the stall switch is activated while the aircraft is on the ground). The
Squat Switch input is also used as an additional factor for determining airborne/on-ground status.
• Stall Switch - When the input is active, a red flashing STALL message appears on the PFD and a
warning tone sounds continuously. (Audible stall warning tones are inhibited when the aircraft is
on the ground.)
• Marker Beacon (Inner) - Supports external Marker Beacon Receiver, provides PFD lamp
indication.
• Marker Beacon (Middle) - Supports external Marker Beacon Receiver, provides PFD lamp
indication.
• Marker Beacon (Outer) - Supports external Marker Beacon Receiver, provides PFD lamp
indication.
• Radar Alt Inhibit - Inhibits radar altimeter or Radio AGL audible callouts. Inhibit condition is reset
on a subsequent power cycle.
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