User's Manual
VIVOTEK
78 - User's Manual
WDR: 
This function allows users to identify more details of objects in the high contrast environment 
especially for details in the shaded area� You may check Enable WDR checkbox, and then adjust 
the sensitivity (low, high) and the strength (low, medium, high) to reach the best image quality�
Exposure 
Advanced Mode
On this page, you can set the Measurement window, Exposure level, Exposure mode, Iris 
adjustment, Iris speed, Exposure time, and Gain control settings. Detailed congurations will be 
automatically adjusted since the sensor library will automatically adjust the value according to the 
ambient light�
Sensor Setting 1:
For normal situations
Note that the Preview button has been cancelled, all changes made to image settings is directly 
shown on screen� You can click Restore to recall the original settings without incorporating the 
changes� When completed with the settings on this page, click Save to enable the setting� You can 
also click on Prole to adjust all settings above in a pop-up window for special lighting conditions�
Activated period: 
Select the mode this  profile  to  apply  to: Day mode, Night mode, or Schedule 
mode� Please manually enter a range of time if you choose Schedule mode� Then check Save to 
take effect� 
Sensor Setting 2: 
For special situations
NOTE: 
When WDR function is enabled, the Exposure 
level can not be adjusted� 










