Will a Reverse Polarity Connection of DC Power to the DL750 ScopeCorder Damage the Unit?
Making a reverse polarity connection of DC power to the DL750 ScopeCorder with the DC power supply option will not damage the unit. The DL750 ScopeCorder has a built-in protection circuit that will prevent damage to the unit in this situation. To recover from a reverse polarity connection, simply perform the following:
Remove the reverse polarity connection from DL750 ScopeCorder
Turn the DL750 ScopeCorder OFF for 1 minute
Connect the DC power to the DL750 ScopeCorder with the correct polarity
Power ON the DL750 ScopeCorder
DL750 ScopeCorder will recover and run self test and calibration