User Manual

Assigning COM Ports
 Your Zapco DPN Amplifier or Processor will communicate with your PC through a
“COMM Port”. Most other devices you plug into your PC will also use a COM port.
 If you have had many devices plugged into your computer you have used many COM
ports
 Unfortunately when you remove your device from your PC, Windows does not
release the COM port and it will continue to be labeled “In Use”
 You Zapco amplifier must use a COM port between 1 ands 9
>> If your Zapco DPN does not let you log on, or if the opening LED does not
stop at a COM port, it is likely a port issue and you will need to assign a port
manually.
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