Quick-Start Guide - TBS CROSSFIRE Micro TX Revision 2017-08-23
The CROSSFIRE Micro TX has a standard JR-form factor and works with any radio that supports PPM-
stream and/or TBS CRSF-format output. Transmitter power is selectable between 25mW and 100mW, and
TX status is shown using a RGB LED lite behind the push button. Frequency band 868 MHz and 915 MHz
are supported.
Push button functionality
If there is no link (LED pulsing orange ):
• Long press: Toggle frequency between 868 MHz and 915 MHz. Once changed it will blink white 1x
for 868 MHz and 2x for 915 MHz.
• Short press: Enter bind-mode (LED blinking green ▀ ▀ ▀ ).
If the receivers needs to be updated it will start blinking blue (■ ■ ■ ■ ). Press the button again
to confirm. The update will start and the LED will be solid blue (▀ ▀ ▀ ) until the update is
complete. Once update is complete the LED will turn solid green (▀▀▀) or orange (▀ ▀ ▀ ).
If there is a link (LED solid green ▀▀▀ or orange ▀ ▀ ▀ ):
• Long press: Set failsafe
Configuration of the internal settings (region, output power, dynamic power, and operation mode) and
receiver configuration (output mapping, channel mapping ect. ) is done via any remote supporting CRSF
(TBS TANGO, OpenTX ect.) remote. The TBS CROSSFIRE Micro RX V2 comes with CH1: PPM, CH2-CH4 PWM
default settings.