1.  Choose one of the basic measurement functions 
from the table above to set the measurement 
mode for the primary display.  
For example, press DCV to set the first display 
to DCV measurement. 
2.  To set a measurement mode for the second 
display, press the 2ND key and then select the 
second measurement mode.  
For example, press 2ND, SHIFT, ACV to select 
ACI measurement for the second display.