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User’s manual 43
21. Freeze mode Î Field / Frame
To choose whether a field or frame of picture shall be frozen.
22. Zoom speed
To choose the zooming speed. If fast zooming is desired, increase the zoom
speed. If more accurate image size is required, choose medium or lower
speed for zooming.
23. Focus speed
To tune focusing speed. Higher speed shall provide you a quicker stable
picture, while medium or lower focusing speed is for acquiring better
focusing in bad condition
(see related information in “Auto-Focus” on above).
24. Gamma Î Gamma 1 / Gamma 2
Gamma correction is to correct the brightness seen by the camera to match
the brightness displayed on monitor, which makes the monitor show the
correct level of contrast.
Gamma 1 has wider contrast range, good for most indoor conditions.
Gamma 2 has compressed contrast range, which is normally used in
outdoor where the light variation is very dynamic.
The default setting is Gamma 1.
25. Zoom+AF
This is to drive lens to carry out auto- focusing after making control of
zoom-in or zoom-out. However, this function is not the guarantee of the best
focusing result. Use manual focus control buttons on controller to fine tune
the focus on specific target.
(refer to “Auto-Focus” on above)
Default setting is the Off position
26. AF Sleep Î On or Off
The image change less than auto focus range in five minutes; the auto focus
will sleep in AF Sleep on mode. Then the image change more +-6dB than
auto focus range, the auto focus will wake up.
27. Scale
To switch the OSD function on or off
28. Language Î 3 sub-items
Three options of English, Deutsch and Italiano.
29. Winker Î On or Off
When winker is set on position, the round blinker will be display on the screen
of top-right, The blinker means the camera is in normal operation.