Installation guide
 Quasar CM-4251 Series User and Installation Guide 
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  At the top of the Viewer Window is the Navigation Bar, which contains five main tabs: 
Home, System, Streaming, Camera, and Logout. 
o  Home Page 
Users can monitor live video of the targeted area, adjust the display size including use 
of the digital zoom feature, activate or de-activate the speaker (audio function), take 
snapshots of the view area, stop/start video streaming, and record video in a 
designated storage place. Further details are discussed in Home Page. 
o  System Settings 
The administrator can set host name, system time, root password, network related 
settings, etc. Further details are discussed in System-Related Settings. 
o  Streaming Settings 
The administrator can modify video resolution and picture rotation and select audio 
compression mode on this page. Further details are discussed in Video and Audio 
Streaming Settings. 
o  Camera Settings 
The administrator can adjust many of the camera settings on this page, such as 
Exposure, White Balance, Picture, Backlight, Digital Zoom, IR Function, WDR Function, 
Noise Reduction, and TV System. Further details are discussed in Camera-Related 
Settings. 
Note: 
The IR Function is only available on the CM-4251-10-I and CM-4251-11-I cameras. 
o  Logout 
Click on the tab to re-login the camera with another username and password. See 
Logout. 
o  Callouts 
  In the top right-hand corner of the Viewer window, the Camera Model 
Number is displayed. 
  Below the camera model number is the Language Bar. Supported languages 
include English, German, French, Italian, Simplified Chinese, Traditional 
Chinese, Russian, and Korean. 
  In the center of the Viewer window is the Live View pane, which displays the 
image that the camera is monitoring. 
  On the right side of the black bar at the top of the Live View pane is the Time 
Display. 
  Under the Live View pane is the Video Format selection, enabling H.264-1 or 
H.264-2 to be selected. 
  Below the Video Format selection are the Function buttons, which are 
discussed in the following section. 
  Under the Function buttons are the Video Compression details, including bit 
rate, compression, and quality. 
  In the bottom right-hand corner of the Viewer window, the Firmware Version 
of the camera is displayed. 










