4 Multimeter Setup Options  
Setup Menu Items
88 U1231A/U1232A/U1233A User’s Guide
Changing the auto power-off (APO) timeout 
The multimeter’s automatic power- off (see page  6) function 
uses a timer to determine when to automatically turn the 
multimeter off.
Use this Setup item to enable or disable the auto power- off 
function and to change its timeout period from 1 to 99 
minutes.
Figure 4-5 Changing the auto power-off timeout
Parameter Range Default setting
A(PO) (01 to 99).(d or E) minutes
(15.E) minutes 
(enabled)
Press
Press
Press
Press
Press
Press
Press
Press
Press
Press
Press
Press