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VIVOTEK
22 - User's Manual
Focus Assist Button:
Follow the steps below to manually ne-tune the camera’s focus.
1. Manually adjust the zoom controller of the camera lens to x the camer’s view angle.
2� Click on the “On” button of the Focus Assist function on the homepage session with the camera to
start the focus assist function� The Live View window will automatically enter the full screen mode�
3. The oating indicator will appear at the bottom of the screen showing the calculated focus information.
While you manually adjust the camera’s focus, the numeric readings and the onscreen color bar
should fluctuate and you should find the best results when the focus value is stated as the “BEST
FOCUS�”
4� When done, tighten the zoom and focus controller bars, and then press the ESC key to leave the full-
screen mode�
5� Turn off the focus assist function by clicking the “Off” button�
You may also refer to VIVOTEK’s website for an application note on the use of this function: http://www�
vivotek.com/support/appnote.php?appcon=29&appcatagory=rmware.
Zoom
Focus
T
W
∞
N
3
4
Stream is being adjusted
FOCUS VALUE
98/107
BEST FOCUS
107/107
The color bar fluctuates according to current focus value. The color bar reaches the optimal value.
IMPORTANT!
1� Before using the Focus Assist function, the camera should have been stably installed
and the camera's shooting direction and view angle must be secured for a stable view�
If the view is altered, you should fine-tune the camera's zoom and focus again by
turning off and restarting the function�
2� Instead of a BNC connector, the camera is equipped with an AV output phone-jack that
serves the same purpose for initial video adjustment� You may use the AV output to
connect to a portable monitor such as a mini-DVR�