When the rear panel is locked, you can scroll through the settings but cannot change them
There are 2 ways to unlock the rear control panel of an E sensor or the internal control panel of an EF sensor
Via Rear Panel
Navigate via the Configuration Menu to KEY-ENTER:
Press continuously hold the "ENT" button for 10 seconds. This will unlock the control panel.
The display will change from
KEY-ENTER-
LOCKED
to
KEY-ENTER-
UNLOCKED
Via DTMD
Drop down and choose Unlocked and Hit Set
