MVR6 VELLEMAN VOICE RECORDER only record in mono mode

Hello everyone!
I bought a Velleman MVR6 voice recorder.
In features it says it has two built-in microphones and a stereo line-in.
I’ve made several recordings and always record in mono, either with built-in microphones or by injecting stereo signal through the input line.
I would like to receive an answer on this case, since the instructions speak of stereo and it is not true or the firmware of the equipment is defective or incorrect.

I would like to know a solution, because I feel cheated.

Thanks!

Hi

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