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Video
Test-CCTV28
User Manual
www.allthings.com.au
3.4. Video Setting
User can customize the brightness, contrast and saturation of the LCD according to the using
environment , the CCTV tester auto display the format(PAL/NTSC) of video input, and
analysis the input video signal level.
a.
Press the
or
key to select the parameter which we want to change the value.
b.
Press the
or
key to change the value. Press ENTER key to save the change
or press RETUR key to give up the change
c.
The Video Format and Video Level will be displayed in the lower portion of the screen.
If there is no video signal at the Video IN port of the Test-CCTV28, the type of NTSC or
PAL , and Video Level will not be displayed.
Depending on the type of camera connected to the Test-CCTV28, the Video “Format: “ will
automatically change between NTSC and PAL, and the Video Level will automatically
change between IRE (Institute of Radio Engineers) and mV. NTSC signals measured in IRE
units, PAL signals measured in mV.
The Video Level should be within the indicated range. Levels that are too low will result in a
dim picture with reduced dynamic range. A Video Level that is too high will result in
washed out pictures with decreased. The Test-CCTV28 will display “Normal” when video
levels are 100
0mV±20%
, “Exceed” or “Weak” will be displayed when video level out of
100
0mV±20%.
3.5. Colorbar
generator
(Output video at any mode)
Output or receive seven different forms of video color bar to test monitor, video cable or
other equipment.