![background image](http://html1.mh-extra.com/html/launch/x431-scopebox/x431-scopebox_user-manual_3881538008.webp)
LAUNCH
X431 PAD Scopebox User’s Manual
6
3 Automotive Oscilloscope
3.1 Connection
X-431 PAD Scopebox should work with the X431 PAD main unit.
1. Firstly, power on the main unit (Connect one end of the power adaptor into
the power interface of main unit, and the other end to the DC 12V power
supply. Alternatively it can be also powered by cigarette lighter cable and
double clip power cord).
2. Then plug one end of ground cable of oscilloscope into external trigger
channel (GND), the other end should be grounded.
3. Connect one end of probe cable of oscilloscope to the CH1, CH2, CH3, or
CH4 on oscilloscope module, and then connect the other end to related
signal terminal.
Warning: please use the specific capacitance probe when diagnosing the
ignition high voltage line. Never connect the oscilloscope to the ignition
secondary circuit directly.
3.2 Initial interface introduction
Fig. 3-1 displays the initial interface of oscilloscope.