Aircraft Radio Navigation Events

AIRCRAFT RADIO NAVIGATION EVENTS

The event IDs listed here are all related to the different radio navigation systems for aircraft.

ADF

There can be up to two ADF available, however the exact number will depend on the Adf.N parameter of the systems.cfg.

Key Name	Event ID	Parameters	Description
`ADF`	`KEY_ADF`	N/A	Sequentially selects the ADF tuner digits for use with +/-. Follow by `SELECT_1` for ADF 1, or `SELECT_2` for ADF 2.
`ADF_CARD_DEC`	`KEY_ADF_CARD_INC`	N/A	Decrements the ADF card by 10° if the key is pressed more than 2 seconds, 4° if the key is pressed more than 1 second, or by 1° otherwise. The resulting value is clamped between 0° and 360°.
`ADF_CARD_INC`	`KEY_ADF_CARD_DEC`	N/A	Increments the ADF card by 10° if the key is pressed more than 2 seconds, 4° if the key is pressed more than 1 second, or by 1° otherwise. The resulting value is clamped between 0° and 360°.
`ADF_CARD_SET`	`KEY_ADF_CARD_SET`	[0]: Card value	Sets the ADF card. The resulting value is clamped between 0° and 360°.
`ADF_1_DEC` `ADF2_1_DEC`	`KEY_ADF_1_DEC` `KEY_ADF2_1_DEC`	N/A	Decrements the ADF 1 / 2 frequency by 1 KHz, with wrapping.
`ADF_10_DEC` `ADF2_10_DEC`	`KEY_ADF_10_DEC` `KEY_ADF2_10_DEC`	N/A	Decrements the ADF 1 / 2 frequency by 10 KHz, with wrapping.
`ADF_100_DEC` `ADF2_100_DEC`	`KEY_ADF_100_DEC` `KEY_ADF2_100_DEC`	N/A	Decrements the ADF 1 / 2 frequency by 100 KHz, with wrapping.
`ADF_1_INC` `ADF2_1_INC`	`KEY_ADF_1_INC` `KEY_ADF2_1_INC`	N/A	Increments the ADF 1 / 2 frequency by 1 KHz, with wrapping.
`ADF_10_INC` `ADF2_10_INC`	`KEY_ADF_10_INC` `KEY_ADF2_10_INC`	N/A	Increments the ADF 1 / 2 frequency by 10 KHz, with wrapping.
`ADF_100_INC` `ADF2_100_INC`	`KEY_ADF_100_INC` `KEY_ADF2_100_INC`	N/A	Increments the ADF 1 / 2 frequency by 100 KHz, with wrapping.
`ADF_ACTIVE_SET` `ADF2_ACTIVE_SET`	`KEY_ADF_ACTIVE_SET` `KEY_ADF2_ACTIVE_SET`	[0]: Frequency value (Frequency BCD32 encoded Hz)	Sets the ADF 1 / 2 active frequency (Frequency BCD32 encoded Hz).
`ADF_COMPLETE_SET` `ADF2_COMPLETE_SET`	`KEY_ADF_COMPLETE_SET` `KEY_ADF2_COMPLETE_SET`	[0]: Frequency value (Frequency BCD32 encoded Hz)	Sets the ADF 1 / 2 frequency (Frequency BCD32 encoded Hz).
`ADF_EXTENDED_SET` `ADF2_EXTENDED_SET`	`KEY_ADF_EXTENDED_SET` `KEY_ADF2_EXTENDED_SET`	[0]: Frequency value (Frequency BCD32 encoded Hz)	Sets the ADF 1 / 2 frequency (thousands and tenths, Frequency BCD32 encoded HZ).
`ADF_FRACT_DEC_CARRY` `ADF2_FRACT_DEC_CARRY`	`KEY_ADF_FRACT_DEC_CARRY` `KEY_ADF2_FRACT_DEC_CARRY`	N/A	Decrements the ADF 1 / 2 frequency by 0.1 KHz, with carry.
`ADF_FRACT_INC_CARRY` `ADF2_FRACT_INC_CARRY`	`KEY_ADF_FRACT_INC_CARRY` `KEY_ADF2_FRACT_INC_CARRY`	N/A	Increments the ADF 1 / 2 frequency by 0.1 KHz, with carry.
`ADF_HIGHRANGE_SET` `ADF2_HIGHRANGE_SET`	`KEY_ADF_HIGHRANGE_SET` `KEY_ADF2_HIGHRANGE_SET`	[0]: Frequency value (Frequency BCD32 encoded Hz)	Sets the ADF 1 / 2 highrange frequency (Frequency BCD32 encoded Hz).
`ADF_LOWRANGE_SET` `ADF2_LOWRANGE_SET`	`KEY_ADF_LOWRANGE_SET` `KEY_ADF2_LOWRANGE_SET`	[0]: Frequency value (Frequency BCD32 encoded Hz)	Sets the ADF 1 / 2 lowrange frequency (Frequency BCD32 encoded Hz).
`ADF_NEEDLE_SET` `ADF2_NEEDLE_SET`	`KEY_ADF_NEEDLE_SET` `KEY_ADF2_NEEDLE_SET`	[0]: Needle value	Sets the ADF 1 / 2 needle value, in radians. Note that `ADF_OUTSIDE_SOURCE` / `ADF2_OUTSIDE_SOURCE` must be enabled.
`ADF_OUTSIDE_SOURCE` `ADF2_OUTSIDE_SOURCE`	`KEY_ADF_OUTSIDE_SOURCE` `KEY_ADF2_OUTSIDE_SOURCE`	[0]: Bool	When TRUE sets ADF 1 / 2 source to be outside, when FALSE it's not. This enables you to use the `ADF_NEEDLE_SET` / `ADF2_NEEDLE_SET` events to set the ADF needle instead of relying on the simulation source.
`ADF1_RADIO_SWAP` `ADF2_RADIO_SWAP`	`KEY_ADF1_RADIO_SWAP` `KEY_ADF2_RADIO_SWAP`	N/A	Swaps between the ADF 1 / 2 frequency and the standby frequency.
`ADF1_RADIO_TENTHS_DEC` `ADF2_RADIO_TENTHS_DEC`	`KEY_ADF1_RADIO_TENTHS_DEC` `KEY_ADF2_RADIO_TENTHS_DEC`	N/A	Decrements the ADF 1 / 2 frequency by 0.1 KHz.
`ADF1_RADIO_TENTHS_INC` `ADF2_RADIO_TENTHS_INC`	`KEY_ADF1_RADIO_TENTHS_INC` `KEY_ADF2_RADIO_TENTHS_INC`	N/A	Increments the ADF 1 / 2 frequency by 0.1 KHz.
`ADF_SET` `ADF2_SET`	`KEY_ADF_SET` `KEY_ADF2_SET`	[0]: Frequency value	Sets ADF 1 / 2 frequency (Frequency BCD32 encoded Hz).
`ADF_STBY_SET` `ADF2_STBY_SET`	`KEY_ADF_STBY_SET` `KEY_ADF2_STBY_SET`	[0]: Frequency value	Sets ADF 1 / 2 standby frequency (Frequency BCD32 encoded Hz).
`ADF_VOLUME_INC` `ADF2_VOLUME_INC`	`KEY_ADF_VOLUME_INC` `KEY_ADF2_VOLUME_INC`	N/A	Increase ADF 1 / 2 volume by 0.02. The resulting value will be clamped between 0 and 1.
`ADF_VOLUME_DEC` `ADF2_VOLUME_DEC`	`KEY_ADF_VOLUME_DEC` `KEY_ADF2_VOLUME_DEC`	N/A	Decrease ADF 1 / 2 volume by 0.02. The resulting value will be clamped between 0 and 1.
`ADF_VOLUME_SET` `ADF2_VOLUME_SET`	`KEY_ADF_VOLUME_SET` `KEY_ADF2_VOLUME_SET`	[0]: Volume value	Sets ADF 1 / 2 volume (from 0 to 100).
`ADF1_WHOLE_DEC` `ADF2_WHOLE_DEC`	`KEY_ADF_WHOLE_DEC` `KEY_ADF2_WHOLE_DEC`	N/A	Decrements the ADF 1 / 2 frequency by 1 KHz, with carry as digits wrap.
`ADF1_WHOLE_INC` `ADF2_WHOLE_INC`	`KEY_ADF_WHOLE_INC` `KEY_ADF2_WHOLE_INC`	N/A	Increments the ADF 1 / 2 frequency by 1 KHz, with carry as digits wrap.
`RADIO_ADF_IDENT_DISABLE` `RADIO_ADF2_IDENT_DISABLE`	`KEY_RADIO_ADF_IDENT_DISABLE` `KEY_RADIO_ADF2_IDENT_DISABLE`	N/A	Turns the ADF 1 / 2 ID off.
`RADIO_ADF_IDENT_ENABLE` `RADIO_ADF2_IDENT_ENABLE`	`KEY_RADIO_ADF_IDENT_ENABLE` `KEY_RADIO_ADF2_IDENT_ENABLE`	N/A	Turns the ADF 1 / 2 ID on.
`RADIO_ADF_IDENT_SET` `RADIO_ADF2_IDENT_SET`	`KEY_RADIO_ADF_IDENT_SET` `KEY_RADIO_ADF2_IDENT_SET`	[0]: True/False (1, 0)	Sets the ADF 1 / 2 ID on (1) or off (0).
`RADIO_ADF_IDENT_TOGGLE` `RADIO_ADF2_IDENT_TOGGLE`	`KEY_RADIO_ADF_IDENT_TOGGLE` `KEY_RADIO_ADF2_IDENT_TOGGLE`	N/A	Toggles the ADF 1 / 2 ID between on (1) and off (0).

Avionics

Key Name	Event ID	Parameters	Description
`AVIONICS_MASTER_SET`	`KEY_AVIONICS_MASTER_SET`	[0]: Bool	Sets the avionics master switch to on or off.
`TOGGLE_AVIONICS_MASTER`	`KEY_TOGGLE_AVIONICS_MASTER`	N/A	Toggles the avionics master switch
`AVIONICS_MASTER_1_ON` `AVIONICS_MASTER_2_ON`	`KEY_AVIONICS_MASTER_1_ON` `KEY_AVIONICS_MASTER_2_ON`	N/A	Sets avionics master 1 / 2 switch to on (1).
`AVIONICS_MASTER_1_OFF` `AVIONICS_MASTER_2_OFF`	`KEY_AVIONICS_MASTER_1_OFF` `KEY_AVIONICS_MASTER_2_OFF`	N/A	Sets avionics master 1 / 2 switch to off (0).
`AVIONICS_MASTER_1_SET` `AVIONICS_MASTER_2_SET`	`KEY_AVIONICS_MASTER_1_SET` `KEY_AVIONICS_MASTER_2_SET`	[0]: Bool	Sets avionics master 1 / 2 switch to on (1) or off (0).

COM

There can be up to three COM available, however the exact number will depend on the Com.N parameter of the systems.cfg.

Key Name	Event ID	Parameters	Description
`COM_RADIO`	`KEY_COM_RADIO`	N/A	Sequentially selects the COM tuner digits for use with +/-. Follow by `SELECT_2` for COM 2 or `SELECT_3` for COM 3.
`COM_RADIO_FRACT_DEC` `COM2_RADIO_FRACT_DEC` `COM3_RADIO_FRACT_DEC`	`KEY_COM_RADIO_FRACT_DEC` `KEY_COM2_RADIO_FRACT_DEC` `KEY_COM3_RADIO_FRACT_DEC`	N/A	Decrements COM 1/2/3 frequency by 25 KHz, with no carry when digit wraps
`COM_RADIO_FRACT_DEC_CARRY` `COM2_RADIO_FRACT_DEC_CARRY` `COM3_RADIO_FRACT_DEC_CARRY`	`KEY_COM_RADIO_FRACT_DEC_CARRY` `KEY_COM2_RADIO_FRACT_DEC_CARRY` `KEY_COM3_RADIO_FRACT_DEC_CARRY`	N/A	Decrement COM 1/2/3 frequency by 25 KHz, and carry when digit wraps
`COM_RADIO_FRACT_INC` `COM2_RADIO_FRACT_INC` `COM3_RADIO_FRACT_INC`	`KEY_COM_RADIO_FRACT_INC` `KEY_COM2_RADIO_FRACT_INC` `KEY_COM3_RADIO_FRACT_INC`	N/A	Increment COM 1/2/3 frequency by 25 KHz, with no carry when digit wraps
`COM_RADIO_FRACT_INC_CARRY` `COM2_RADIO_FRACT_INC_CARRY` `COM3_RADIO_FRACT_INC_CARRY`	`KEY_COM_RADIO_FRACT_INC_CARRY` `KEY_COM2_RADIO_FRACT_INC_CARRY` `KEY_COM3_RADIO_FRACT_INC_CARRY`	N/A	Increment COM 1/2/3 frequency by 25 KHz, and carry when digit wraps
`COM_RADIO_SET` `COM2_RADIO_SET` `COM3_RADIO_SET`	`KEY_COM_RADIO_SET` `KEY_COM2_RADIO_SET` `KEY_COM3_RADIO_SET`	[0]: Frequency value (Frequency BCD16 encoded Hz)	Sets COM 1/2/3 frequency as a BCD16 encoded value.
`COM_RADIO_SET_HZ` `COM2_RADIO_SET_HZ` `COM3_RADIO_SET_HZ`	`KEY_COM_RADIO_SET_HZ` `KEY_COM2_RADIO_SET_HZ` `KEY_COM3_RADIO_SET_HZ`	[0]: Frequency value (Hz)	Sets COM 1/2/3 frequency as Hz.
`COM_STBY_RADIO_SET` `COM2_STBY_RADIO_SET` `COM3_STBY_RADIO_SET`	`KEY_COM2_STBY_RADIO_SET` `KEY_COM3_STBY_RADIO_SET`	[0]: Frequency value (Frequency BCD16 encoded Hz)	Sets COM 1/2/3 standby frequency as a BCD16 encoded value.
`COM_STBY_RADIO_SET_HZ` `COM2_STBY_RADIO_SET_HZ` `COM3_STBY_RADIO_SET_HZ`	`KEY_COM_STBY_RADIO_SET_HZ` `KEY_COM2_STBY_RADIO_SET_HZ` `KEY_COM3_STBY_RADIO_SET_HZ`	[0]: Frequency value (Hz)	Sets COM 1/2/3 standby frequency in Hz.
`COM_STBY_RADIO_SWAP`	`KEY_COM_STBY_RADIO_SWITCH_TO`	N/A	Swaps COM 1 frequency with standby.
`COM_RADIO_WHOLE_DEC` `COM2_RADIO_WHOLE_DEC` `COM3_RADIO_WHOLE_DEC`	`KEY_COM_RADIO_WHOLE_DEC` `KEY_COM2_RADIO_WHOLE_DEC` `KEY_COM3_RADIO_WHOLE_DEC`	N/A	Decrement COM 1/2/3 frequency by 1 MHz. Values from 118 to 137, and this will wrap if the values go over 137.
`COM_RADIO_WHOLE_INC` `COM2_RADIO_WHOLE_INC` `COM3_RADIO_WHOLE_INC`	`KEY_COM_RADIO_WHOLE_INC` `KEY_COM2_RADIO_WHOLE_INC` `KEY_COM3_RADIO_WHOLE_INC`	N/A	Increment COM 1/2/3 frequency by 1 MHz. Values are from 118 to 137, and this will wrap if the values go under 118.
`COM_RADIO_SWAP` `COM1_RADIO_SWAP` `COM2_RADIO_SWAP` `COM3_RADIO_SWAP`	`KEY_COM_RADIO_SWAP` `KEY_COM1_RADIO_SWAP` `KEY_COM2_RADIO_SWAP` `KEY_COM3_RADIO_SWAP`	N/A	Swaps COM 1/2/3 frequency with the standby frequency. NOTE: `COM_RADIO_SWAP` is simply an alias for `COM1_RADIO_SWAP`
`COM1_RECEIVE_SELECT` `COM2_RECEIVE_SELECT` `COM3_RECEIVE_SELECT`	`KEY_COM1_RECEIVE_SELECT` `KEY_COM2_RECEIVE_SELECT` `KEY_COM3_RECEIVE_SELECT`	[0] Bool	Sets receive on (1) or off (0) for COM 1/2/3.
`COM_1_SPACING_MODE_SWITCH` `COM_2_SPACING_MODE_SWITCH` `COM_3_SPACING_MODE_SWITCH`	`KEY_COM_1_SPACING_MODE_SWITCH` `KEY_COM_2_SPACING_MODE_SWITCH` `KEY_COM_3_SPACING_MODE_SWITCH`	N/A	Toggle between the different modes for COM 1/2/3.
`COM1_STORED_FREQUENCY_SET` `COM2_STORED_FREQUENCY_SET` `COM3_STORED_FREQUENCY_SET`	`KEY_COM1_STORED_FREQUENCY_SET` `KEY_COM2_STORED_FREQUENCY_SET` `KEY_COM3_STORED_FREQUENCY_SET`	[0]: Frequency value (Frequency BCD16 or Frequency BCD32 encoded Hz)	Sets the COM 1/2/3 stored frequency as a BCD encoded value.
`COM1_STORED_FREQUENCY_SET_HZ` `COM2_STORED_FREQUENCY_SET_HZ` `COM3_STORED_FREQUENCY_SET_HZ`	`KEY_COM1_STORED_FREQUENCY_SET_HZ` `KEY_COM2_STORED_FREQUENCY_SET_HZ` `KEY_COM3_STORED_FREQUENCY_SET_HZ`	[0]: Frequency value (Hz)	Sets COM 1/2/3 stored frequency as Hz.
`COM1_STORED_FREQUENCY_INDEX_SET` `COM2_STORED_FREQUENCY_INDEX_SET` `COM3_STORED_FREQUENCY_INDEX_SET`	`KEY_COM1_STORED_FREQUENCY_INDEX_SET` `KEY_COM2_STORED_FREQUENCY_INDEX_SET` `KEY_COM3_STORED_FREQUENCY_INDEX_SET`	N/A	This is used to select the index for when you want to store frequencies. This can be done by including this event when you store a frequency using one of the 2 available types: `COM1_STORED_FREQUENCY_SET`, `COM1_STORED_FREQUENCY_SET_HZ`. For example if you want to store a Com1 frequency HZ to an index of 2 then you would do this: 2 (>K:COM1_STORED_FREQUENCY_INDEX_SET) 112 (>K:COM1_STORED_FREQUENCY_SET_HZ) After you save it you can retrieve this value from the 3 types of variables as seen here: (A:COM1 STORED FREQUENCY:2, Hz) (A:COM1 STORED FREQUENCY:2, FrequencyBCD16) (A:COM1 STORED FREQUENCY:2, FrequencyBCD32)
`COM1_TRANSMIT_SELECT` `COM2_TRANSMIT_SELECT`	`KEY_COM1_TRANSMIT_SELECT` `KEY_COM2_TRANSMIT_SELECT`		Selects COM 1/2 to transmit See `PILOT_TRANSMITTER_SET` instead.
`COM1_VOLUME_SET` `COM2_VOLUME_SET` `COM3_VOLUME_SET`	`KEY_COM1_VOLUME_SET` `KEY_COM2_VOLUME_SET` `KEY_COM3_VOLUME_SET`	[0]: Volume (0 - 100)	Sets the COM 1/2/3 volume (from 0 to 100).
`COM1_VOLUME_INC` `COM2_VOLUME_INC` `COM3_VOLUME_INC`	`KEY_COM1_VOLUME_INC` `KEY_COM2_VOLUME_INC` `KEY_COM3_VOLUME_INC`	N/A	Increases the COM 1/2/3 volume by 0.02, and the resulting value will be clamped between 0 and 1.
`COM1_VOLUME_DEC` `COM2_VOLUME_DEC` `COM3_VOLUME_DEC`	`KEY_COM1_VOLUME_DEC` `KEY_COM2_VOLUME_DEC` `KEY_COM3_VOLUME_DEC`	N/A	Decreases the COM 1/2/3 volume by 0.02, and the resulting value will be clamped between 0 and 1.
`COM_RECEIVE_ALL_SET`	`KEY_COM_RECEIVE_ALL_SET`	[0] Bool	Sets whether to receive on all COM radios (1, 0)
`COM_RECEIVE_ALL_TOGGLE`	`KEY_COM_RECEIVE_ALL_TOGGLE`	N/A	Toggles receive on (1) or off (0) for all COM radios.
`RADIO_COMMNAV1_TEST_TOGGLE` `RADIO_COMMNAV2_TEST_TOGGLE` `RADIO_COMMNAV3_TEST_TOGGLE`	`KEY_RADIO_COMMNAV1_TEST_TOGGLE` `KEY_RADIO_COMMNAV2_TEST_TOGGLE` `KEY_RADIO_COMMNAV3_TEST_TOGGLE`	N/A	Places COM 1/2/3 in "test mode". NOTE: Currently, placing COMs in test mode will have no effect other than to set the SimVar `COM TEST`.
`RADIO_COMM1_AUTOSWITCH_TOGGLE` `RADIO_COMM2_AUTOSWITCH_TOGGLE`	`KEY_RADIO_COMM1_AUTOSWITCH_TOGGLE` `KEY_RADIO_COMM2_AUTOSWITCH_TOGGLE`	N/A	Toggles the COM 1/2 autoswitch on (1) or off (0).

DME

Key Name	Event ID	Parameters	Description
`DME`	`KEY_DME`	N/A	Selects the DME for use with +/-
`DME_SELECT`	`KEY_DME_SELECT`	[0]: DME ID	Selects one of the two DME systems (1, 2).
`TOGGLE_DME`	`KEY_DME_TOGGLE`	N/A	Toggles DME between NAV 1 and NAV 2.
`DME1_TOGGLE` `DME2_TOGGLE`	`KEY_DME1_TOGGLE` `KEY_DME2_TOGGLE`	N/A	Sets the DME 1 / 2 display to NAV 1 / 2.
`RADIO_DME1_IDENT_DISABLE` `RADIO_DME2_IDENT_DISABLE`	`KEY_RADIO_DME1_IDENT_DISABLE` `KEY_RADIO_DME2_IDENT_DISABLE`	N/A	Turns the DME 1 / 2 ID off (0).
`RADIO_DME1_IDENT_ENABLE` `RADIO_DME2_IDENT_ENABLE`	`KEY_RADIO_DME1_IDENT_ENABLE` `KEY_RADIO_DME2_IDENT_ENABLE`	N/A	Turns the DME 1 / 2 ID on (1).
`RADIO_DME1_IDENT_SET` `RADIO_DME2_IDENT_SET`	`KEY_RADIO_DME1_IDENT_SET` `KEY_RADIO_DME2_IDENT_SET`	[0]: Bool	Sets the DME 1 /2 ID to on (1) or off (0).
`RADIO_DME1_IDENT_TOGGLE` `RADIO_DME2_IDENT_TOGGLE`	`KEY_RADIO_DME1_IDENT_TOGGLE` `KEY_RADIO_DME2_IDENT_TOGGLE`	N/A	Toggles the DME 1 / 2 ID between on (1) and off (0).
`RADIO_SELECTED_DME_IDENT_ENABLE`	`KEY_RADIO_SELECTED_DME_IDENT_ENABLE`	N/A	Turns on the identification sound for the selected DME.
`RADIO_SELECTED_DME_IDENT_DISABLE`	`KEY_RADIO_SELECTED_DME_IDENT_DISABLE`	N/A	Turns off the identification sound for the selected DME.
`RADIO_SELECTED_DME_IDENT_SET`	`KEY_RADIO_SELECTED_DME_IDENT_SET`	[0]: Bool	Sets the DME identification sound to the given filename.
`RADIO_SELECTED_DME_IDENT_TOGGLE`	`KEY_RADIO_SELECTED_DME_IDENT_TOGGLE`	N/A	Turns on or off the identification sound for the selected DME.

ELT

Key Name	Event ID	Parameters	Description
`ELT_OFF`	`KEY_ELT_OFF`	N/A	Switches the ELT off (0).
`ELT_ON`	`KEY_ELT_ON`	N/A	Switches the ELT on (1).
`ELT_SET`	`KEY_ELT_SET`	[0]: Bool	Sets the ELT on (1) or off (0).
`ELT_TOGGLE`	`KEY_ELT_TOGGLE`	N/A	Toggles the ELT between on (1) and off (0).

GPS

Key Name	Event ID	Parameters	Description
`GPS_ACTIVATE_BUTTON`	`KEY_GPS_ACTIVATE_BUTTON`	N/A	Press GPS Activate button.
`GPS_BUTTON1`	`KEY_GPS_BUTTON1`	N/A	Press GPS Button 1.
`GPS_BUTTON2`	`KEY_GPS_BUTTON2`	N/A	Press GPS Button 2.
`GPS_BUTTON3`	`KEY_GPS_BUTTON3`	N/A	Press GPS Button 3.
`GPS_BUTTON4`	`KEY_GPS_BUTTON4`	N/A	Press GPS Button 4.
`GPS_BUTTON5`	`KEY_GPS_BUTTON5`	N/A	Press GPS Button 5.
`GPS_CLEAR_BUTTON`	`KEY_GPS_CLEAR_BUTTON`	N/A	Press GPS Clear button (clears entered data on a page).
`GPS_CLEAR_ALL_BUTTON`	`KEY_GPS_CLEAR_ALL_BUTTON`	N/A	Press GPS Clear All button (clears all data immediately).
`GPS_CLEAR_BUTTON_DOWN`	`KEY_GPS_CLEAR_BUTTON_DOWN`	N/A	Triggers the pressing of the Clear button.
`GPS_CLEAR_BUTTON_UP`	`KEY_GPS_CLEAR_BUTTON_UP`	N/A	Triggers the release of the Clear button.
`GPS_CURSOR_BUTTON`	`KEY_GPS_CURSOR_BUTTON`	N/A	Selects GPS cursor
`GPS_DIRECTTO_BUTTON`	`KEY_GPS_DIRECTTO_BUTTON`	N/A	Brings up the "Direct To" page
`GPS_ENTER_BUTTON`	`KEY_GPS_ENTER_BUTTON`	N/A	Approves entered data.
`GPS_FLIGHTPLAN_BUTTON`	`KEY_GPS_FLIGHTPLAN_BUTTON`	N/A	Displays the programmed flightplan.
`GPS_GROUP_KNOB_INC`	`KEY_GPS_GROUP_KNOB_INC`	N/A	Increase GPS Group.
`GPS_GROUP_KNOB_DEC`	`KEY_GPS_GROUP_KNOB_DEC`	N/A	Decrease GPS Group.
`GPS_MENU_BUTTON`	`KEY_GPS_MENU_BUTTON`	N/A	Brings up page to select active legs in a flightplan.
`GPS_MSG_BUTTON`	`KEY_GPS_MSG_BUTTON`	N/A	Toggles the Message Page.
`GPS_MSG_BUTTON_DOWN`	`KEY_GPS_MSG_BUTTON_DOWN`	N/A	Triggers the pressing of the message button.
`GPS_MSG_BUTTON_UP`	`KEY_GPS_MSG_BUTTON_UP`	N/A	Triggers the release of the message button.
`GPS_NEAREST_BUTTON`	`KEY_GPS_NEAREST_BUTTON`	N/A	Selects Nearest Airport Page.
`GPS_OBS`	`KEY_GPS_OBS`	N/A	Toggle GPS OBS mode active status on/off.
`GPS_OBS_BUTTON`	`KEY_GPS_OBS_BUTTON`	N/A	Toggles automatic sequencing of waypoints.
`GPS_OBS_DEC`	`KEY_GPS_OBS_DEC`	N/A	Decreases GPS OBS value by 1 degree (if the value goes below 1 it will wrap to 360).
`GPS_OBS_INC`	`KEY_GPS_OBS_INC`	N/A	Increases GPS OBS value by 1 degree (if the value goes above 360 it will wrap to 1).
`GPS_OBS_OFF`	`KEY_GPS_OBS_OFF`	N/A	Turn the GPS OBS mode to be inactive.
`GPS_OBS_ON`	`KEY_GPS_OBS_ON`	N/A	Turn on the GPS OBS mode to be active
`GPS_OBS_SET`	`KEY_GPS_OBS_SET`	[0]: Value in degrees	Set the GPS OBS value to a new value, in degrees.
`GPS_PAGE_KNOB_INC`	`KEY_GPS_PAGE_KNOB_INC`	N/A	Increments through pages
`GPS_PAGE_KNOB_DEC`	`KEY_GPS_PAGE_KNOB_DEC`	N/A	Decrements through pages
`GPS_PROCEDURE_BUTTON`	`KEY_GPS_PROCEDURE_BUTTON`	N/A	Displays the approach procedure page.
`GPS_POWER_BUTTON`	`KEY_GPS_POWER_BUTTON`	N/A	Toggles power button
`GPS_SETUP_BUTTON`	`KEY_GPS_SETUP_BUTTON`	N/A
`GPS_TERRAIN_BUTTON`	`KEY_GPS_TERRAIN_BUTTON`	N/A	Displays terrain information on default display
`GPS_VNAV_BUTTON`	`KEY_GPS_VNAV_BUTTON`	N/A
`GPS_ZOOMIN_BUTTON`	`KEY_GPS_ZOOMIN_BUTTON`	N/A	Zooms in default display
`GPS_ZOOMOUT_BUTTON`	`KEY_GPS_ZOOMOUT_BUTTON`	N/A	Zooms out default display
`TOGGLE_GPS_DRIVES_NAV1`	`KEY_TOGGLE_GPS_DRIVES_NAV1`	N/A	Toggles between GPS and NAV 1 driving NAV 1 OBS display (and AP)

Miscellaneous

Key Name	Event ID	Parameters	Description
`COPILOT_TRANSMITTER_SET`	`KEY_COPILOT_TRANSMITTER_SET`	[0]: The Com channel to select.	This event can be used to select the COM channel to use for the copilot. The input is one of the following values: 0: Com1 1: Com2 2: Com3 4: None The exact number of COM available will depend on the `Com.N` parameter of the systems.cfg.
`FREQUENCY_SWAP`	`KEY_FREQUENCY_SWAP`	N/A	Swaps frequency with standby on whichever NAV or COM radio is selected.
`INTERCOM_MODE_SET`	`KEY_INTERCOM_MODE_SET`	[0]: Mode	This event can be used to set the intercom mode. The input is one of the following values: 0: ISO 1: All 2: Crew
`MARKER_BEACON_SENSITIVITY_HIGH`	`KEY_MARKER_BEACON_SENSITIVITY_HIGH`	[0]: Bool	Sets a boolean which you can retrieve with `MARKER_BEACON_SENSITIVITY_HIGH` SimVar.
`MARKER_BEACON_TEST_MUTE`	`KEY_MARKER_BEACON_TEST_MUTE`	[0]: Bool	Enables / Disables beacon marker sounds.
`MARKER_SOUND_TOGGLE`	`KEY_MARKER_SOUND_TOGGLE`	N/A	Toggles marker beacon sound on/off.
`MARKER_SOUND_SET`	`KEY_MARKER_SOUND_SET`	[0]: Bool	Sets marker beacon sound (1, 0). *Not currently used in the simulation.*
`PILOT_TRANSMITTER_SET`	`KEY_PILOT_TRANSMITTER_SET`	[0]: The Com channel to select.	This event can be used to select the COM channel to use for the pilot. The input is one of the following values: 0: Com1 1: Com2 2: Com3 4: None The exact number of COM available will depend on the `Com.N` parameter of the systems.cfg.
`TOGGLE_RADAR`	`KEY_TOGGLE_RADAR`	N/A	*Not currently used in the simulation.*
`TOGGLE_RADIO`	`KEY_TOGGLE_RADIO`	N/A	*Not currently used in the simulation.*
`TOGGLE_RAD_INS_SWITCH`	`KEY_TOGGLE_RAD_INS_SWITCH`	N/A	*Not currently used in the simulation.*

NAV

There can be up to four NAV available, however the exact number will depend on the Nav.N parameter of the systems.cfg.

Key Name	Event ID	Parameters	Description
`NAV_RADIO`	`KEY_NAV_RADIO`	N/A	Sequentially selects the NAV tuner digits for use with +/-. Follow by `SELECT_1`, `SELECT_2`, `SELECT_3`, or `SELECT_4` for NAV 1, 2, 3 or 4.
`NAV1_CLOSE_FREQ_SET` `NAV2_CLOSE_FREQ_SET` `NAV3_CLOSE_FREQ_SET` `NAV4_CLOSE_FREQ_SET`	`KEY_NAV1_CLOSE_FREQ_SET` `KEY_NAV2_CLOSE_FREQ_SET` `KEY_NAV3_CLOSE_FREQ_SET` `KEY_NAV4_CLOSE_FREQ_SET`	[0]: Bool	This event is used to enable (set to 1, TRUE) or disable (set to 0, FALSE) the following SimVars: `NAV_CLOSE_DME` `NAV_CLOSE_FREQUENCY` `NAV_CLOSE_IDENT` `NAV_CLOSE_LOCALIZER` `NAV_CLOSE_NAME` Also note that all the NAV key events are simply aliases for each other, and using any of them will have the same effect.
`NAV1_RADIO_FRACT_DEC` `NAV2_RADIO_FRACT_DEC` `NAV3_RADIO_FRACT_DEC` `NAV4_RADIO_FRACT_DEC`	`KEY_NAV1_RADIO_FRACT_DEC` `KEY_NAV2_RADIO_FRACT_DEC` `KEY_NAV3_RADIO_FRACT_DEC` `KEY_NAV4_RADIO_FRACT_DEC`	N/A	Decrements the chosen NAV frequency by 25 KHz.
`NAV1_RADIO_FRACT_DEC_CARRY` `NAV2_RADIO_FRACT_DEC_CARRY` `NAV3_RADIO_FRACT_DEC_CARRY` `NAV4_RADIO_FRACT_DEC_CARRY`	`KEY_NAV1_RADIO_FRACT_DEC_CARRY` `KEY_NAV2_RADIO_FRACT_DEC_CARRY` `KEY_NAV3_RADIO_FRACT_DEC_CARRY` `KEY_NAV4_RADIO_FRACT_DEC_CARRY`	N/A	Decrement the chosen NAV frequency by 50 KHz, and will carry when the value wraps.
`NAV1_RADIO_FRACT_INC` `NAV2_RADIO_FRACT_INC` `NAV3_RADIO_FRACT_INC` `NAV4_RADIO_FRACT_INC`	`KEY_NAV1_RADIO_FRACT_INC` `KEY_NAV2_RADIO_FRACT_INC` `KEY_NAV3_RADIO_FRACT_INC` `KEY_NAV4_RADIO_FRACT_INC`	N/A	Increments the chosen NAV frequency by 25 KHz.
`NAV1_RADIO_FRACT_INC_CARRY` `NAV2_RADIO_FRACT_INC_CARRY` `NAV3_RADIO_FRACT_INC_CARRY` `NAV4_RADIO_FRACT_INC_CARRY`	`KEY_NAV1_RADIO_FRACT_INC_CARRY` `KEY_NAV2_RADIO_FRACT_INC_CARRY` `KEY_NAV3_RADIO_FRACT_INC_CARRY` `KEY_NAV4_RADIO_FRACT_INC_CARRY`	N/A	Increment the chosen NAV frequency by 50 KHz, and will carry when the value wraps.
`NAV1_RADIO_SET` `NAV2_RADIO_SET` `NAV3_RADIO_SET` `NAV4_RADIO_SET`	`KEY_NAV1_RADIO_SET` `KEY_NAV2_RADIO_SET` `KEY_NAV3_RADIO_SET` `KEY_NAV4_RADIO_SET`	[0] Frequency value	Sets the chosen NAV frequency (Frequency BCD16 encoded Hz).
`NAV1_RADIO_SET_HZ` `NAV2_RADIO_SET_HZ` `NAV3_RADIO_SET_HZ` `NAV4_RADIO_SET_HZ`	`KEY_NAV1_RADIO_SET_HZ` `KEY_NAV2_RADIO_SET_HZ` `KEY_NAV3_RADIO_SET_HZ` `KEY_NAV4_RADIO_SET_HZ`	[0] Frequency value	Sets the chosen NAV frequency (Hz).
`NAV1_RADIO_SWAP` `NAV2_RADIO_SWAP` `NAV3_RADIO_SWAP` `NAV4_RADIO_SWAP`	`KEY_NAV1_RADIO_SWAP` `KEY_NAV2_RADIO_SWAP` `KEY_NAV3_RADIO_SWAP` `KEY_NAV4_RADIO_SWAP`	N/A	Swap between the chosen NAV frequency and the corresponding standby frequency.
`NAV1_RADIO_WHOLE_DEC` `NAV2_RADIO_WHOLE_DEC` `NAV3_RADIO_WHOLE_DEC` `NAV4_RADIO_WHOLE_DEC`	`KEY_NAV1_RADIO_WHOLE_DEC` `KEY_NAV2_RADIO_WHOLE_DEC` `KEY_NAV3_RADIO_WHOLE_DEC` `KEY_NAV4_RADIO_WHOLE_DEC`	N/A	Decrements the chosen NAV frequency by one MHz.
`NAV1_RADIO_WHOLE_INC` `NAV2_RADIO_WHOLE_INC` `NAV3_RADIO_WHOLE_INC` `NAV4_RADIO_WHOLE_INC`	`KEY_NAV1_RADIO_WHOLE_INC` `KEY_NAV2_RADIO_WHOLE_INC` `KEY_NAV3_RADIO_WHOLE_INC` `KEY_NAV4_RADIO_WHOLE_INC`	N/A	Increments the chosen NAV frequency by one MHz.
`NAV1_STBY_SET` `NAV2_STBY_SET` `NAV3_STBY_SET` `NAV4_STBY_SET`	`KEY_NAV1_STBY_SET` `KEY_NAV2_STBY_SET` `KEY_NAV3_STBY_SET` `KEY_NAV4_STBY_SET`	[0] Frequency value	Sets the chosen NAV standby frequency (Frequency BCD16 encoded Hz).
`NAV1_STBY_SET_HZ` `NAV2_STBY_SET_HZ` `NAV3_STBY_SET_HZ` `NAV4_STBY_SET_HZ`	`KEY_NAV1_STBY_SET_HZ` `KEY_NAV2_STBY_SET_HZ` `KEY_NAV3_STBY_SET_HZ` `KEY_NAV4_STBY_SET_HZ`	[0] Frequency value	Sets the chosen NAV standby frequency (Hz).
`NAV1_VOLUME_DEC` `NAV2_VOLUME_DEC` `NAV3_VOLUME_DEC` `NAV4_VOLUME_DEC`	`KEY_NAV1_VOLUME_DEC` `KEY_NAV2_VOLUME_DEC` `KEY_NAV3_VOLUME_DEC` `KEY_NAV4_VOLUME_DEC`	N/A	Decrement the volume by 0.02, down to a minimum of 0.
`NAV1_VOLUME_INC` `NAV2_VOLUME_INC` `NAV3_VOLUME_INC` `NAV4_VOLUME_INC`	`KEY_NAV1_VOLUME_INC` `KEY_NAV2_VOLUME_INC` `KEY_NAV3_VOLUME_INC` `KEY_NAV4_VOLUME_INC`	N/A	Increment the volume by 0.02, up to a maximum of 1.
`NAV1_VOLUME_SET` `NAV2_VOLUME_SET` `NAV3_VOLUME_SET` `NAV4_VOLUME_SET`	`KEY_NAV1_VOLUME_SET` `KEY_NAV2_VOLUME_SET` `KEY_NAV3_VOLUME_SET` `KEY_NAV4_VOLUME_SET`	[0] Volume value (0 -1)	Sets the volume for the chosen NAV. NOTE: These events are deprecated as they no longer work correctly. Instead use the `_EX1` versions, listed below.
`NAV1_VOLUME_SET_EX1` `NAV2_VOLUME_SET_EX1` `NAV3_VOLUME_SET_EX1` `NAV4_VOLUME_SET_EX1`	`KEY_NAV1_VOLUME_SET_EX1` `KEY_NAV2_VOLUME_SET_EX1` `KEY_NAV3_VOLUME_SET_EX1` `KEY_NAV4_VOLUME_SET_EX1`	[0] Volume value (0 - 100)	Sets the volume for the chosen NAV, from 0 to 100 (interpolated in the simulation to a value from 0 to 1).
`RADIO_NAV1_AUTOSWITCH_TOGGLE` `RADIO_NAV2_AUTOSWITCH_TOGGLE`	`KEY_RADIO_NAV1_AUTOSWITCH_TOGGLE` `KEY_RADIO_NAV2_AUTOSWITCH_TOGGLE`	N/A	Toggle NAV1 / NAV2 auto-switch.

TACAN

There can be up to two Tacan available, however the exact number will depend on the Tacan.N parameter of the systems.cfg.

Key Name	Event ID	Parameters	Description
`TACAN1_ACTIVE_CHANNEL_SET` `TACAN2_ACTIVE_CHANNEL_SET`	`KEY_TACAN1_ACTIVE_CHANNEL_SET` `KEY_TACAN2_ACTIVE_CHANNEL_SET`	[0]: Channel value (1 - 127)	Set TACAN 1/2 active channel, from 1 to 127.
`TACAN1_STANDBY_CHANNEL_SET` `TACAN2_STANDBY_CHANNEL_SET`	`KEY_TACAN1_STANDBY_CHANNEL_SET` `KEY_TACAN2_STANDBY_CHANNEL_SET`	[0]: Channel value (1 - 127)	Set TACAN 1/2 standby channel, from 1 to 127
`TACAN1_ACTIVE_MODE_SET` `TACAN2_ACTIVE_MODE_SET`	`KEY_TACAN1_ACTIVE_MODE_SET` `KEY_TACAN2_ACTIVE_MODE_SET`	[0]: Active mode value (0, 1)	Set the TACAN 1/2 active mode, either 0 (X) or 1 (Y).
`TACAN1_STANDBY_MODE_SET` `TACAN2_STANDBY_MODE_SET`	`KEY_TACAN1_STANDBY_MODE_SET` `KEY_TACAN2_STANDBY_MODE_SET`	[0]: Standby mode value (0, 1)	Set the TACAN 1/2 standby mode, either 0 (X) or 1 (Y).
`TACAN1_SWAP` `TACAN2_SWAP`	`KEY_TACAN1_SWAP` `KEY_TACAN2_SWAP`	N/A	Swap between active and standby TACAN 1/2 frequencies.
`TACAN1_VOLUME_INC` `TACAN2_VOLUME_INC`	`KEY_TACAN1_VOLUME_INC` `KEY_TACAN2_VOLUME_INC`	N/A	Increase TACAN 1/2 volume by 1, up to a maximum volume of 100.
`TACAN1_VOLUME_DEC` `TACAN2_VOLUME_DEC`	`KEY_TACAN1_VOLUME_DEC` `KEY_TACAN2_VOLUME_DEC`	N/A	Decrease TACAN 1/2 volume by 1, down to a minimum volume of 0.
`TACAN1_VOLUME_SET` `TACAN2_VOLUME_SET`	`KEY_TACAN1_VOLUME_SET` `KEY_TACAN2_VOLUME_SET`	[0]: Volume value (0, 100)	Set TACAN 1/2 volume to a value from 0 (no volume) to 100 (full volume).
`TACAN1_SET` `TACAN2_SET`	`KEY_TACAN1_SET` `KEY_TACAN2_SET`	[0]: Bearing indicator value	Set TACAN 1/2 Omni bearing indicator. The behavior is similar to the OBS knob on a traditional VOR.
`TACAN1_OBI_DEC` `TACAN2_OBI_DEC`	`KEY_TACAN1_OBI_DEC` `KEY_TACAN2_OBI_DEC`	N/A	Decrease TACAN 1/2 OBI by 1 degree. OBI bearing is between 0° and 359°, and and will loop back to 359º if you go below 0º.
`TACAN1_OBI_INC` `TACAN2_OBI_INC`	`KEY_TACAN1_OBI_INC` `KEY_TACAN2_OBI_INC`	N/A	Increase TACAN 1/2 OBI by 1 degree. OBI bearing is between 0° and 359°, and and will loop back to 0º if you go above 359º.
`TACAN1_OBI_FAST_DEC` `TACAN2_OBI_FAST_DEC`	`KEY_TACAN1_OBI_FAST_DEC` `KEY_TACAN2_OBI_FAST_DEC`	N/A	Decrease TACAN 1/2 OBI by 10 degrees. OBI bearing is between 0° and 359°, and and will loop back to 359º if you go below 0º.
`TACAN1_OBI_FAST_INC` `TACAN2_OBI_FAST_INC`	`KEY_TACAN1_OBI_FAST_INC` `KEY_TACAN2_OBI_FAST_INC`	N/A	Increase TACAN 1/2 OBI by 10 degrees. OBI bearing is between 0° and 359°, and and will loop back to 0º if you go above 359º.
`TOGGLE_TACAN_DRIVES_NAV1`	`KEY_TOGGLE_TACAN_DRIVES_NAV1`	N/A	Toggles the `TACAN DRIVES NAV` SimVar to indicate that the NAV1 autopilot feature is driven by Tacan instead of classic Nav systems (VOR/ILS).

VOR

Key Name	Event ID	Parameters	Description
`RADIO_VOR1_IDENT_DISABLE` `RADIO_VOR2_IDENT_DISABLE` `RADIO_VOR3_IDENT_DISABLE` `RADIO_VOR4_IDENT_DISABLE`	`KEY_RADIO_VOR1_IDENT_DISABLE` `KEY_RADIO_VOR2_IDENT_DISABLE` `KEY_RADIO_VOR3_IDENT_DISABLE` `KEY_RADIO_VOR4_IDENT_DISABLE`	N/A	Turns VOR 1/2/3/4 ID off.
`RADIO_VOR1_IDENT_ENABLE` `RADIO_VOR2_IDENT_ENABLE` `RADIO_VOR3_IDENT_ENABLE` `RADIO_VOR4_IDENT_ENABLE`	`KEY_RADIO_VOR1_IDENT_ENABLE` `KEY_RADIO_VOR2_IDENT_ENABLE` `KEY_RADIO_VOR3_IDENT_ENABLE` `KEY_RADIO_VOR4_IDENT_ENABLE`	N/A	Turns VOR 1/2/3/4 ID on.
`RADIO_VOR1_IDENT_SET` `RADIO_VOR2_IDENT_SET` `RADIO_VOR3_IDENT_SET` `RADIO_VOR4_IDENT_SET`	`KEY_RADIO_VOR1_IDENT_SET` `KEY_RADIO_VOR2_IDENT_SET` `KEY_RADIO_VOR3_IDENT_SET` `KEY_RADIO_VOR4_IDENT_SET`	[0]: Bool	Sets VOR 1/2/3/4 ID (on/off).
`RADIO_VOR1_IDENT_TOGGLE` `RADIO_VOR2_IDENT_TOGGLE` `RADIO_VOR3_IDENT_TOGGLE` `RADIO_VOR4_IDENT_TOGGLE`	`KEY_RADIO_VOR1_IDENT_TOGGLE` `KEY_RADIO_VOR2_IDENT_TOGGLE` `KEY_RADIO_VOR3_IDENT_TOGGLE` `KEY_RADIO_VOR4_IDENT_TOGGLE`	N/A	Toggles VOR 1/2/3/4 ID between on and off.
`VOR_OBS`	`KEY_VOR_OBS`		Sequentially selects the VOR OBS for use with +/-. Follow by `SELECT_1` for VOR 1 and `SELECT_2` for VOR 2.
`VOR1_OBI_DEC` `VOR2_OBI_DEC` `VOR3_OBI_DEC` `VOR4_OBI_DEC`	`KEY_VOR1_OBI_DEC` `KEY_VOR2_OBI_DEC` `KEY_VOR3_OBI_DEC` `KEY_VOR4_OBI_DEC`	N/A	Decrements the VOR 1/2/3/4 OBS setting
`VOR1_OBI_FAST_DEC` `VOR2_OBI_FAST_DEC` `VOR3_OBI_FAST_DEC` `VOR4_OBI_FAST_DEC`	`KEY_VOR1_OBI_FAST_DEC` `KEY_VOR2_OBI_FAST_DEC` `KEY_VOR3_OBI_FAST_DEC` `KEY_VOR4_OBI_FAST_DEC`	N/A	Decrements the VOR 1/2/3/4 OBS setting by 10 degrees. The value will stop on 0 and not arap.
`VOR1_OBI_FAST_INC` `VOR2_OBI_FAST_INC` `VOR3_OBI_FAST_INC` `VOR4_OBI_FAST_INC`	`KEY_VOR1_OBI_FAST_INC` `KEY_VOR2_OBI_FAST_INC` `KEY_VOR3_OBI_FAST_INC` `KEY_VOR4_OBI_FAST_INC`	N/A	Increments the VOR 1/2/3/4 OBS setting by 10 degrees. The value will stop on 360 and not arap.
`VOR1_OBI_INC` `VOR2_OBI_INC` `VOR3_OBI_INC` `VOR4_OBI_INC`	`KEY_VOR1_OBI_INC` `KEY_VOR2_OBI_INC` `KEY_VOR3_OBI_INC` `KEY_VOR4_OBI_INC`	N/A	Increments the VOR 1/2/3/4 OBS setting
`VOR1_SET` `VOR2_SET` `VOR3_SET` `VOR4_SET`	`KEY_VOR1_SET` `KEY_VOR2_SET` `KEY_VOR3_SET` `KEY_VOR4_SET`	[0]: Value (0 - 360)	Sets OBS 1/2/3/4 (0 to 360)

XPNDR (Transponder)

The Transponder.N parameter of the systems.cfg should define only 1 transponder as currently more than 1 is not supported.

Key Name	Event ID	Parameters	Description
`XPNDR`	`KEY_XPNDR`	N/A	Sequentially selects the transponder digits for use with +/-.
`XPNDR_1000_DEC`	`KEY_XPNDR_1000_DEC`	N/A	Decrements the first digit of the transponder.
`XPNDR_100_DEC`	`KEY_XPNDR_100_DEC`	N/A	Decrements the second digit of the transponder.
`XPNDR_10_DEC`	`KEY_XPNDR_10_DEC`	N/A	Decrements the third digit of the transponder.
`XPNDR_1_DEC`	`KEY_XPNDR_1_DEC`	N/A	Decrements the fourth digit of the transponder.
`XPNDR_1000_INC`	`KEY_XPNDR_1000_INC`	N/A	Increments the first digit of the transponder.
`XPNDR_100_INC`	`KEY_XPNDR_100_INC`	N/A	Increments the second digit of the transponder.
`XPNDR_10_INC`	`KEY_XPNDR_10_INC`	N/A	Increments the third digit of the transponder.
`XPNDR_1_INC`	`KEY_XPNDR_1_INC`	N/A	Increments the fourth digit of the transponder.
`XPNDR_DEC_CARRY`	`KEY_XPNDR_DEC_CARRY`	N/A	Decrements the fourth digit of the transponder, with carry.
`XPNDR_INC_CARRY`	`KEY_XPNDR_INC_CARRY`	N/A	Increments the fourth digit of the transponder, with carry.
`XPNDR_IDENT_OFF`	`KEY_XPNDR_IDENT_OFF`	N/A	Disable the transponder Ident (can be used along with the simvar `TRANSPONDER_IDENT`).
`XPNDR_IDENT_ON`	`KEY_XPNDR_IDENT_ON`	N/A	Enable the transponder Ident (can be used along with the simvar `TRANSPONDER_IDENT`). After 18 seconds it will disable automatically.
`XPNDR_IDENT_SET`	`KEY_XPNDR_IDENT_SET`	[0]: Bool	Set the transponder Ident on or off (can be used along with the simvar `TRANSPONDER_IDENT`). If set to on, it will switch off automatically after 18 seconds.
`XPNDR_IDENT_TOGGLE`	`KEY_XPNDR_IDENT_TOGGLE`	N/A	Toggle the transponder Ident from on to off or off to on (can be used along with the simvar `TRANSPONDER_IDENT`).
`XPNDR_SET`	`KEY_XPNDR_SET`	[0]: Frequency value (Bco16 encoded)	Sets the transponder frequency code.