CCTV Tester User’s Manual
10
of video signal strength, if the signal sent out by camera is 1Vpp, and the detected
signal from tester is less than 1V, for example, its 0.8V, this means the attenuation
of video signal is 20%.
SYNC SIGNAL
：
means the voltage of the synchro signal, 0.3V means the best
signal.
If there is no signal is detected, “No Video” will be displayed.
3.7 Screen brightness adjustment
At the mode of video and PTZ testing, user can press the num-button “7”
（
（
（
（
BR+
）
）
）
）
and “9”
（
（
（
（
BR-
）
）
）
）
to adjust the brightness of screen.
3.8 UTP cable test
A. Connect the tester to the UTP cable tester as the picture shows:
B. In the main menu mode, press num-button “3” to switch to the UTP testing mode;
C. Press Set to start the test, UTP cable information will be displayed in the screen.
D. User can estimate the UTP cable connection situation from the information.
UTP CABLE TEST
1
－－－
－－－－
3
——>
UTP tester side sequence
2
－－－
－－－－
6
3
－－－
－－－－
1
4
－－－
－－－－
0
——>
”0” means open circuit
5
－－－
－－－－
0
——>
6
－－－
－－－－
2
7
－－－
－－－－
7
CCTV
Tester
side
sequence
<——
8
－－－
－－－－
8
If there are 2 line show “0”, it maybe:
They open circuit separately;
They short circuit to each other;
E. User can estimate the connect situation base on the information;
F. Press Menu button for 1 second to back to the main menu.
