Sony VPLL-3024 Fixed Short Throw Lens (2.34:1 to 3.19:1) - Manual (Page 248)

Help Guide
Linear PCM Recorder
PCM-A10
The playback volume of the computer is low or you hear no audio from the computer.
The computer has no sound board.
The computer has no built-in speakers or no external speakers are connected.
The volume of the computer is turned off.
Turn up the volume of the computer. (Refer to the instruction manual of the computer.)
You can change the volume of WAV files and save them using the Increase Volume feature of the Microsoft Sound
Recorder.
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