How to switch on / off Femto Bolt led

Technical Support & Q&A
1

Hello,
I’d like to switch on and off the white led placed in front of the Femto Bolt camera.
I’ve seen that I can handle it via Orbbec Viewer → Device Control → Light.
How can I do the same with the C# Wrapper for Azure?
With Azure I handle this via Microsoft.Azure.Kinect.Sensor.DeviceConfiguration.DisableStreamingIndicator but this parameter doesn’t have any effect on Femto Bolt.
All others parameters work great with C# Wrapper.

It would be nice handling this led via C# Wrapper for Azure.
Orbbec SDK: 1.8.3

2

Hello，thank you for informations ,
we will fixed this issue in the next version

3

Hello @xuchongyan,
thank you very much for your fast reply and for fixing the problem.
Do you know more or less when the next firmware will be released?

4

K4A wrapper for 1.9 will be released this week

5

this version fix it.

Release v1.9.1 · orbbec/OrbbecSDK-K4A-Wrapper (github.com)

6

Hi @zhonghong,
thank you very much for the fix.
Now I noticed that the DisableStreamingIndicator works in reverse.
If I set this parameter = true, the led turns on.
If I set this parameter = false, the led turns off.

Since the name of the parameter is DisableStreamingIndicator, not EnableStreamingIndicator, the led should turn off if the parameter = true and turn on if the parameter = false.
The Kinect 4 Azure SDK works fine, so this fix is important to preserve backward compatibility.

7

Updating the K4a wrapper version has resolved the issue.

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