PLANET NVR-1615 - Manual (Page 40)

Central Management Software for NVR-915 / NVR-1615
CV5-M256
40
2.2.4 Audio
Click button, or select “Audio” item from the menu bar and select
audio mode from the sub menu.
Mute Mute the audio output.
Live Audio Play the live audio, not the playback audio.
Playback Audio Play the current playback audio.
2.2.5 Snapshot (Snapshot all)
Click button or select “Snapshot” item from menu bar and system will
snapshot all channels, and show them on the snapshot dialog.
Check the picture’s check box that you need, and select a path to save these
images.
You could save these pictures to Jpeg or bitmap format.