Sony VPLL-3024 Fixed Short Throw Lens (2.34:1 to 3.19:1) - Manual (Page 199)

Help Guide
Linear PCM Recorder
PCM-A10
A clipping or breaking noise is recorded.
A clipping or breaking noise may be recorded if your linear PCM recorder is placed extremely close to an AC power
source, a fluorescent lamp, a computer, a mobile phone, or a smartphone during recording or playback.
Keep the linear PCM recorder away from such devices when recording.
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