VIVOTEK
User's Manual - 53
Audio and Video
This section explains how to cogure the audio and video settings of the Network Camera. It is
composed of the following two columns: Video Settings and Audio Settings�
Video Settings
Video title: Enter a name that will be displayed on the title bar of the live video�
Color: Select to display color or black/white video streams�
Power line frequency: Set the power line frequency consistent with local utility settings to eliminate image
flickering associated with fluorescent lights� Note that after the power line frequency is changed, you
must disconnect and reconnect the power cord of the Network Camera in order for the new setting to
take effect�
Iris mode: Select a proper iris mode for your environment�
Select caching stream: This Network Camera supports time shift cache stream on the Network Camera�
Select one stream and check the below option Enable time shift caching stream�
Enable time shift caching stream Advanced Mode : Ch eck this item to enabl e the time shi ft cache
stream on the Network Camera, which will stores video in the camera’s embedded memory for a period
of time depending on the cache memory of each Network Camera� This function can work seamlessly
with VIVOTEK’s ST7501 recording software� When an event occurs, the recording software can request
time shift cache stream from the camera, which allows the user to get an earlier video data�
Video orientation: Flip--vertically reect the display of the live video; Mirror--horizontally reect the display
of the live video� Select both options if the Network Camera is installed upside-down (ex� on the ceiling)
to correct the image orientation. Please note that the preset locations will be cleared after ip/mirror.
Video Title
Title and Time Video 17:08:56 2008/06/25