User`s guide
3Setup Options  
Setup Menu Items
72 U1731C/U1732C/U1733C User’s Guide
Locking the push buttons
Use this Setup item to lock the push buttons (keys) of your 
LCR meter. If enabled, all keys will be locked (rendered 
unoperational) when you exit the Setup menu. 
Unlock the push buttons again by entering the Setup menu 
through the power- on options (page 10).
Figure 3-14 Locking the push buttons
Parameter Range Default setting
LPb on or oFF oFF
Pr e s s
Pr e s s










