3.3 Lock Utility
To lock and unlock the Control Buttons
The Control Buttons can be locked against any unauthorized or
accidental usage.
Only sub menus can be locked. The Lock Utility does
not work on the Main Menu.
To lock press “Enter” for six (6) seconds.
A “Keyboard Locked!” message appears on the screen
when any button is pressed.
Figure 3.3. Keyboard locked
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