![background image](http://html1.mh-extra.com/html/dbx/afs224/afs224_quick-start-manual_3994411011.webp)
19.
If you would like to lock the front panel (to prevent tampering), press and hold
the channel 1
LIVE FILTER LIFT
button. Hold this button until the filter LEDs
flash all the way across (from the outside inward).
To unlock the front panel press and hold the channel 1
LIVE FILTER LIFT
button until
the filter LEDs flash all the way across (from the inside outwards).
A little practice and experimentation will make you an AFS expert in no time.