4) Turn on the electronics and tap OK . 5) The test result will appear soon. Figure 5.6.1 Figure 5.6 . 2 Figure 5.6.3 Figure 5.6.4 Figure 5.6.5 ① Back ② Real-Time Voltage ③ Test Result ④ Loaded Voltage: The voltage measured when turning on the on-board electrical appliances EN I 19