Function and Features 
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3.  Press   or to select Profile for the reset test,press to confirm. 
4.  VFD display Usmin…,press to confirm.VFD will display Usmin= 
12.000V,user can select the Usmin level. 
5.  Press to select Off/On,press   or to select On,press to confirm.The 
Trig indicating lamp will be lit and display on the VFD. 
6.  Press
to quit menu operation 
7.  VFD will display Profile for the reset in the lower right corner     
8.  Press ,turn on the output   
9.  press
+ (Trigger)to generate a trigger signal.The DC source will 
output Short voltage drop waveform. 
3* Starting profile 
This test verifies the behaviour of a DUT during and after cranking. 
Apply the starting profile ten times, as specified in Figure and Table below simultaneously 
to all relevant inputs (connections) of the DUT. A break of 1 s to 2 s between the starting 
cycles is recommended.One or more profiles as described in Tables 3 and 4 shall be 
chosen in accordance with the application. 
 
 af= 2HZ 
 
Standards for 12V system: