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1. Description, General Specification

Troubleshooting

Problem

Distribution Amplifier will

not operate

No picture(or signal)

Or Poor picture

Incorrectly sized picture

/resolution or No picture

1-9 Troubleshooting

Make sure the 5V power adapter is plugged in

the back of the unit.

Check to see if the power LED light is on.

1. In case your video source is HDCP enabled,

make sure your video display(HDTV) is HDCP

compliant.

2. If you are using copper based DVI cable,

overall length of the cables(length of the cable

from video source to switch and length of the

cable from switch to display) should not exceed

20ft. Exceeding 20ft. with copper based cables

will result in no or poor picture quality. To

extend beyond 50ft, please use fiber optical

DVI extension cables such as RTcomUSA Inc.

Model OC-series cables.

3. Use high quality DVI cables.

4. If you are using computers, try other refresh

rate settings. Most HDTVs have refresh rate of

48Hz and computer's video cards are usually

set at higher refresh rate(60Hz). Try lower

refresh rates.

5. Make sure all DVI connectors are tightly

secured to all DVI ports. loose screws on the

DVI connectors will result in no or poor picture.

6. Turn off all equipments(video source, switch

and HDTV) and restart all equipments.

Please remember that your video source will

only support one resolution setting. To connect

1600x1200 resolution display and 800x600

resolution display, the resolution setting of your

video source must be set to the lower

resolution setting (800x600) OR, turn on DDC

for the 800x600 display and turn off DDC for

1600x1200 display.

Solution