Epson Z8250NL - Manual (Page 48)

Security Functions
48
B
Select either "Full Lock" or "Partial Lock" according to your
purpose.
C
Select "Yes" when the confirmation message is displayed.
The control panel buttons are locked according to the setting you
chose.
q You can release the control panel lock by one of the following two methods.
• From the remote control, select Off in Settings - Control Panel Lock from
the configuration menu. s p.65
• Press and hold down the [Enter] button on the control panel for about
seven seconds, a message is displayed and the lock is released.
Lens Operation Lock
This function locks the following buttons on the remote control related
to the lens operation.
Procedure
A
Press the [Menu] button, and select Settings - "Lens
Operation Lock" from the configuration menu. s "Using
the Configuration Menu"
p.55
Remote Control
Using the Remote Control Using the Control Panel