Q-See QCN7001B Quick Start Manual page 30

Step 4
Select the Record Channel
NOTE: Channels starting with "A" are the smaller, lower resolution,
versions of the video saved in the corresponding channel.
30
to search.
Step 5
Select the File Format you want the records saved as.
Step 6
Click Add to display the records.
DAV: Supports audio,
requires playback
software download.
AVI: Playable with
standard video programs.
(Windows Media Player,
Quicktime, etc.)