How to setup SDP display for PC connection.
In order to setup the SDP display for PC connection you need to follow these steps:
Disconnect the display from power supply.
Press all three buttons on the display and connect the device.
IMPORTANT: Hold down all three buttons until you read "DEVICE ID" on the display.
Press the reset button 1 time now. You will now see the setting "SERIAL".
If the display does not show "PC" press the RESET so often until the display shows "PC".
To exit the setup press the RESET button 4 times. The display then shows 0.0 (0.00) again.