CAT5 CABLE EQUALIZATION LENGTH SETUP
Note:
The units are shipped with jumper setting equalized to 100 feet length. If you need
the cable equalized for 200 or 300 feet, the jumpers must be changed to refl ect the
new changes. Please follow the explanation below.
This requires to open the top cover of the CAT5•8500 unit.
Jumper settings are used to set the focus of the picture and characters to the best possible
sharpness. The fi rst step to adjusting the video is to have the CAT5•8500S and CAT5•8500R
con nect ed together with the CAT-5 cable that is going to be used in the in stal la tion. Then
set your computer to the resolution that you will be using most frequently, for best results
set your computers refresh rate to 60Hz. Then removing the top of the CAT5•8500R by
un screw ing the top two screws on either side of the box. The jumper settings for video 3
are on the upper board. Look at some text on monitor 3 and then move all the jumpers on
the upper board to position 1, 2, 3, and 4, and set the jumper to the one that looks best.
If you still see some smear ing adjust an individual jumper for the color that is smearing (it
can be two colors). Then remove the upper board, and repeat the same steps for monitor
1 and 2. You can now use the focus and brightness trim pods in the front of the unit for a
fi ner adjustment of the video.
Jumper Settings
Video 1 on
the left
Video 2 on
the right
Blue Green Red
Blue Green Red
4
3
2
1
Po
si
tion
4
3
2
1
Po
si
tion
Video 3 on
upper board
Blue Green Red
4
3
2
1
Po
si
tion
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