BIOS Settings

The EON800 Tether Ground Station (TGS) BIOS Menu enables users to modify system parameters, settings, configurations and modes.

The information stored in the BIOS is crucial. Exercise caution when making changes, as mistakes may lead to unexpected system behaviour.

How to Enter the EON800 BIOS:

  1. To access the BIOS, power ON the Tether Ground Station.

  2. While the EON800 logo is visible on the LCD, simultaneously PRESS and HOLD the Left and Right Nav Buttons.

How to Navigate the BIOS Pages:

To navigate the BIOS menus or options from on the Tether Ground Station LCD, use the navigation buttons. The Left Nav Button, Middle Select Button, and Right Nav Button are located beneath the TGS LCD. Text Highlighted Orange indicates the setting selected.

  1. PRESS the Right Nav Button to move down the page or swipe right between menus.

  2. PRESS the Left Nav Button to move up the page or swipe left between menus.

  3. PRESS the Middle Select Button to select a menu or make a selection from the BIOS lists.

How to Modify a BIOS setting:

  1. To modify a BIOS setting, highlight a value using the Nav Buttons and PRESS the Select Button to confirm the new setting.

BIOS Settings | General

Page 1: General

Exit Without Saving

This setting will exit the BIOS without saving any modifications that have been made.

Select Exit Without Saving if you've mistakenly altered a parameter and can't recall the original value. Selecting this will discard any changes, and the system will reboot with the same settings as the last boot

Enable Override Mode

This action will exit BIOS without saving any modifications and then launch the EON800 system into Override Mode.

Use Override Mode exclusively with XM2 manufacturer assistance. This mode is inherently dangerous, as it bypasses all safety checks with 800V active, and must never be activated without direct supervision from the manufacturer.

Save and Reboot

This action saves any BIOS setting changes to the TGS internal memory, and initiates a system restart. After bootup, the modified BIOS setting will be enabled.

Save and Reboot only saves the BIOS settings to the internal memory and not the SD Card. If you require a backup of the modified BIOS settings, use the Save SD Card Config function.

Save SD Card Config

This function saves the current BIOS settings to both the internal TGS memory and the external SD Card memory. You would primarily use the Save SD Card Config function when you want to save a back up of the modified BIOS settings to an SD card. To proceed after selecting Save SD Card Config, you must reboot the TGS.

Selecting 'Save SD Card Config' backs up the current BIOS settings into a configuration file (profile) on the SD Card. This function will overwrite any previous BIOS settings saved to the SD Card. The TGS can only recognise and read one configuration file (profile) per SD Card.

Alternating between multiple profiles requires multiple SD Cards.

Load SD Card Config

If you've previously modified and saved the BIOS settings using the Save SD Card Config function, the last saved configurations are stored on the external memory as a Profile (configuration file). Loading the SD Card Config replaces the current BIOS settings in the Tether Ground Station's with the profile saved on the SD Card.

Use Load SD Card Config when you have a specific configuration file (profile) stored on the SD Card and want to apply those settings to the system. This feature is also useful if you have accidentally changed any settings and wish to restore the TGS to a previously saved profile.

Page 2: General

Telem Logging

Enables or disables logging across the EON800 System (Drone, APU, TGS). When enabled, telemetry data is saved to the SD Card. We recommend operating with logging turned on for better troubleshooting in case of issues. If the system presents any SD card errors, you can turn this off to continue operating.

If you are flying and controlling the UAS with a Joystick, or computer, using MANUAL_CONTROL messages it is advisable to disable 'Telem Logging' due to temporary lapses in the MAVLink stream which can cause RC Failsafes.

MAVLink Telem

This setting controls whether MAVLink Telemetry is required to operate. If set to off, the system can be operated without a connection to the drone flight controller. Because the telemetry connection is required to regulate battery charge current safely, we don't recommend turning this off without advise from the manufacturer.

Buzzer

The Buzzer setting allows you to enable or disable the onboard buzzer alarm. The buzzer alarm produces an audible alert from the TGS, providing warning signals and indicating critical errors in the system.

Profile

The name of the current loaded BIOS profile. The current BIOS profile has been loaded from the SD Card Configuration stored on the EON800 SD Card.

Tradeshow Mode

Tradeshow Mode allows the TGS screen to be on for static display. Do not connect an APU or drone in this mode.

Page 3: TGS Statistics

Firmware Version
Flight Time
Up Time

This displays the current firmware version of the TGS.

This displays how long the TGS has been active during flight.

This displays the total time the TGS has been turned on.

Boot Count
Warning Codes
Critical Errors

This shows how many times the TGS has been turned on.

This shows a code in hexadecimal format (bitmask) that indicates the warnings that the TGS has encountered.

This shows a code in hexadecimal format (bitmask) that indicates the critical errors that the TGS has encountered.

Page 4: APU Settings

  1. PWM Failsafes: This section displays the 3 different failsafe options available for the APU PWM output.

  2. Connection Loss: This value enables and disables the APU PWM output to cause a failsafe when the connection has been lost to the ground station that requested a certain PWM output.

  3. HV Shutdown: This value enables and disables the APU PWM output to cause a failsafe when the HV is turned off.

  4. Return/Land: This value enables and disables the APU PWM output to cause a failsafe when the connected drone reports that it is in either Land or RTL flight mode.

  5. Firmware Version: This displays the current firmware version of the APU.

Page 5: Reset Settings

  1. Reset Config: This action will reset the config settings in the BIOS to their default values.

  2. Reset Warning Codes: This will reset the warning code bitmask on the TGS.

  3. Reset Critical Errors: This will reset the critical error code bitmask on the TGS.

  4. Clear SD Card: This will manually clear all the files on the SD card.

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