EdgeTX / edgetx

EdgeTX is the cutting edge open source firmware for your R/C radio

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Jumper T15 Display low bridness noise

druckgott opened this issue · comments

Is there an existing issue for this problem?

  • I have searched the existing issues

What part of EdgeTX is the focus of this bug?

Transmitter firmware

Current Behavior

If the bridness of the display goes lower after some second. There comes a beeep noice

VID-20240812-WA0006.mp4

See Video

Expected Behavior

No noice or switch off any where?

Steps To Reproduce

Let the display bridness go down due to inactivity.

Version

2.10.3

Transmitter

Other (Please specify below)

Operating System (OS)

Windows

OS Version

No response

Anything else?

Jumper t15

The whine you can hear is ether comming from the switching regulators, and/or may be noise from the RF module if the audio circuit is still active. This is a hardware limitation - nothing we can do about that. Make sure you have Radio Settings -> Hardware -> Mute if no sound enabled to prevent noise coming through the audio circuit when it is not actively in use.

This works
Radio Settings -> Hardware -> Mute if no sound