ERT50 230v INSTRUCTION MANUAL
34
KEY LOCK
The ERT50 230v has a Key lock function that helps to
prevent accidental changes to the controller settings. Key
lock is turned on or off by pressing and holding the PLUS
and MINUS keys together for a few seconds.
When Key lock is active, the Key lock indicator will be
displayed on the left side of the display:
If you press any of the keys when Key lock is active, the
screen display will change:
Press the PLUS and MINUS keys together for a few seconds
to turn Key lock off.
To Next Page
Loading...
