Connecting CROSSFIRE Micro transmitter to radio
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 (250mW with
FW 2.40 or later) and TX status is shown using a RGB LED-light 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 ▀▀▀):
• Long press: Set failsafe
Configuration of the internal settings (region, output power, dynamic power, and operation mode) is done
via any remote supporting full CRSF V2 (TBS TANGO, OpenTX etc., not Graupner, CRSF V1) remote, detailed
later in the manual under Configuration.
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