User`s guide

RIGOL Chapter 14 System Function Setting
DS1000Z User’s Guide
14-1
2
coupling will be used by default. When this function is turned off, DC coupling
will be used by default when signal is signal is detected in the channel.
Key Lock
Press Utility  KeyLock Lock and all the softkeys and buttons (except Unlock)
are locked. Pressing Unlock can unlock the keys.