User manual
F531E & F731E User Manual 
6.1.2. Zoom in / out the image via the monitor window 
  Click   to display the digital zoom in window. 
  Pull the   
to adjust the digital zoom range, and it will be showed on the above window. 
  You can use the left click of your mouse to move the to any where on the 
window. 
6.1.3. Video play buttons 
Symbols Meaning 
Pause the current video 
Play the video 
Stop the current video 
Record the current video 
Note: 
 Concerning the recording storage requirement of your hard disk, please refer to 
the APPENDIX / B. Storage Requirement Table. 
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