GPT-10000 Series User Manual 
84 
4.  Press the UP/DOWN arrow soft-
keys to move the cursor to the 
Learning setting followed by 
pressing the START button to 
obtain the current reference value. 
LEARNING CONT LEARNING Icon
5.  After pressing the START button, 
the GPT-15012 unit will perform 
the CONTACT CHK before 
running a MANU test. If the 
measured current is lower than the 
reference value by user-defined 
percentage, the “OPEN” status 
appears on the screen.