![background image](http://html1.mh-extra.com/html/bandelin/dt-31-h/dt-31-h_operating-manual_3809022029.webp)
1686-001 en/2022-05
29/52
Operation
/5
5.12 Enabling and blocking continuous operation
The function can be blocked to prevent accidental activation of con-
tinuous operation.
Requirement
• The mains plug is disconnected.
Procedure
Press and hold down the button for setting the sonication time. At
the same time, insert the mains plug into an earthed mains socket.
» The yellow "1 min" LED lights up.
Information
– You can enable continuous operation again in the same way.
The green LED next to the
∞
symbol lights up to confirm this.