Turn it on.
Click "setup" button
Turn blue wheel to highlight "Administrator" push button to select.
Select "Communications"
Use knob to enter the following codes in this order then select OK. 49, 48, 46
Make sure the communication option is set to "Serial Net" please note, there is a similarly named other option, so please be sure it says "Serial Net".
Select "OK" to make sure the setting is applied, now turn the monitor off and back on again to finish applying this change.
It should be set this way from factory, but here's how you can confirm.
Written by Henrik Joreteg
Updated over a month ago