Sony VPLL-3024 Fixed Short Throw Lens (2.34:1 to 3.19:1) - Manual (Page 43)

Help Guide
Linear PCM Recorder
PCM-A10
Maintaining the moderate volume level (European model only)
The linear PCM recorder limits the maximum volume to allow you to listen to the sound at a moderate volume level when
using the headphones. When you try to adjust the volume to a level that exceeds the specified level, the [Check The
Volume Level] message appears.
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