Sanyo PLC-XW50 Owner's Manual page 48

Setting
Security (Key lock and PIN code lock settings)
This function allows you to use Key lock and PIN
code lock function to set the security for the projector
operation.
Key lock
This function locks operation of the top control or
the remote control.
It is useful to prevent operation by an unauthorized
person.
If the top control accidentally becomes locked and
you do not have the romote control or there is
something wrong with your remote control, contact
the dealer where you purchased the projector or the
service center.
PIN code lock
This function prevents the projector from being
operated by an unauthorized person and provides
the following settings for security options.
Off . . . . . the projector is not locked with a
PIN code.
On1 . . . . require to enter a PIN code every time
turning on the projector.
On . . . . require to enter a PIN code to operate
the projector once the power cord
is disconnected; as long as the AC
power cord is connected, the projector
can be operated without a PIN code.
Whenever to change the PIN code lock setting
or the PIN code (the four-digit number), you are
required to enter the PIN code. The "134" is set as
the initial PIN code at the factory.
48
. . . . . . not locked.
. . . . . . lock the operation of the top
control. To unlock, use the
remote control.
. . . . . . lock the operation of the
remote control. To unlock,
use the top control.
Key lock
Select Key lock. Choose
one of the alternatives with
the Point
select [Yes] to activate it.
PIN code lock
When the projector is locked
with the PIN code, the PIN
code lock mark appears on the
menu bar.
buttons and
ed