Instructions / Assembly

70
7. Circuit Test function
This function is specially designed to diagnose the vehicle
electrical system, including DC or AC voltage test, resistance
test.
NOTE: Circuit Test function is only available when the tool is
powered by 3.7V lithium battery solely. Otherwise, it will cause
incorrect results and damage the tool.
Use the UP/DOWN scroll button to select Circuit Test from Main
Menu in the scan tool, and press the OK button. (Figure 3.1)
 The default mode is AUTO.
7.1 DC Voltage
While the tool in this mode, contact the probes to a circuit, then the
LCD display will read the DC voltage with a resolution of 0.02 volt.
Figure 7.1
7.2 AC Voltage
While the tool in this mode, contact the probes to a circuit, then the
LCD display will read the AC voltage with a resolution of 0.02 volt.