7.8 Turning on the oil breakdown voltage tester
1. Ensure that the mains voltage matches the specifications on the rating plate.
2. Connect the oil breakdown voltage tester to the mains voltage.
3. There is a mains switch on the back of the device. Use it to switch on the device.
4. Fold out the operating unit.
After the operating unit has been opened, the firmware starts and the oil breakdown
voltage tester performs a self test. On completion of a successful self test, the Start
window of the last measurement opens.