How to Adjust the Video Signal on the 1039/20 Power Supply

This article shows you how to adjust the video signal on the 1039/20 IPerVoice Power Supply.

 

 

Step 1

Set the system to “video calibration” mode by pressing the Video Test switch on the hood of the 1039/50 IPerVoice Riser Gateway using a small flat-head screwdriver - The Test LED will now start blinking red, indicating that the video test has begun.


Step 2

Now press the switch accessible on the 1039/20 IPerVoice Power Supply unit hood to enable the Test LED - The two colour (red-green) LED will light up red. 


Step 3

Turn the adjustment trimmer on the 1039/20 IPerVoice Power Supply so that the LED turns green - The video signal output from the power unit will be correctly adjusted.


Step 4

Now press the switch accessible on the 1039/20 IPerVoice Power Supply unit hood to disable the Test LED - The two colour (red-green) LED displaying green will turn off. 

 

Step 5

At the end of the calibration procedure, press the Video Test switch on the hood of the 1039/50 IPerVoice Riser Gateway again, using a small flat-head screwdriver - The Test LED will now stop blinking red and turn off, indicating that the video test has ended.

 

Remember that once the adjustment procedure is completed, you need to press the switch placed on the IP Gateway to exit from “Video adjustment” mode.