How to set a 10min Flight Timer with a 30s countdown to the end on a Radiomaster TX16s

19th February 2026

These instruction show you how to change the Flight Timer to 10 minutes, base it on the Throttle position (more Throttle quicker countdown), with a 30 Second Voice countdown to the end on a Radiomaster TX16s

Start

  • Power on the Transmitter
  • Select the Model to add a Timer
  • Press MDL button
  • Scroll to Name, press the Scroll Wheel
  • Use the Scroll Wheel to select the characters of the timer name, press the Scroll Wheel to go to the next character, Eight character max, suggest 10min, press the Scroll Wheel
  • Scroll down to Switch, press the Scroll Wheel
  • Select Arm↑, press the Scroll Wheel
  • Scroll to Start, press the Scroll Wheel
  • Use the Scroll Wheel to select 10 Minutes, press the Scroll Wheel

(The timer can be refined when you know how long your battery lasts)

  • Scroll to Countdown, press the Scroll Wheel
  • Change Silent to Voice, press the Scroll Wheel
  • Scroll to Right, press the Scroll Wheel
  • Set the time to 30s, press the Scroll Wheel

The Voice Countdown will start 30s before the end of the 10 minute period

Up to Three timers can be set

  • Press RTN twice to exit

With the Throttle Safety Switch Active, Increase the Throttle, the countdown will begin, More throttle gives Faster countdown, returning the Throttle to Minimum will Stop the countdown, this allows for fuel usage to be estimated based on Throttle position.

 

 

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