This page aims to explain only the key options in ExpressLRS Configurator you may need for your initial setup. For a full description of all the options available, see the User Defines page.
Some of these options are present on both the Tx and Rx Targets. It is important that these options match to both the TX module and receiver in order for them to bind.
team900 also share a few options and some options are unique to that frequency band. Shown below are common options available on
team900 TXes respectively.
Only available for 900MHz devices
This option is now set automatically for 2.4GHz devices.
Regulatory_Domain_AU_915 Regulatory_Domain_EU_868 Regulatory_Domain_FCC_915
EU 868is compliant to the frequency but is not LBT compliant 👂.
Entering a binding phrase allows you to skip the binding step with your receivers-- you want this set. Any transmitter using the same binding phrase will connect to any receiver with the same binding phrase, so be unique. Limit to alphanumeric phrases conforming to the Latin alphabet. Receivers flashed with firmware builds that do not have binding phrase enabled will require binding with the traditional binding method.
UART_INVERTEDon, such as the FrSky QX7, TBS Tango 2, and RadioMaster TX16S. For T8SG V2 or Deviation firmware turn this setting off.
Receiver Only Options¶
Note: Configuration of Receivers should match the configuration of the Transmitter Module for Sync/Binding to happen between devices.
Most of the options listed above also apply to Receivers. The following are options specific to receivers that you might need.
RCVR_INVERT_TXthis does not convert the output to SBUS protocol, so CRSF should still be the receiver protocol selected in the flight controller software.
Should I turn these off/on?¶
For a complete list of User Defines, head over to the User Defines page.
Done! It's time to flash the firmware on your transmitter