GETTING STARTED 
23 
Line Voltage Connection and Power Up 
 
The GPT-10000 accepts line voltages of  
100 - 240V at 50Hz or 60Hz.   
1.  Connect the power cord to 
the AC Mains Input socket 
on the rear panel. 
2.  If the power cord does not 
have an earth ground, 
ensure the ground 
terminal is connected to an 
earth ground. 
Ensure the power cord is connected to an earth 
ground. Failure could be harmful to the operator 
and instrument. 
3.  Press the Power button. 
4.  When the unit is powered up, the display will 
show the last time parameters in either MANU 
or AUTO test mode as shown below.