Sanyo PLC-XU105 Owner's Manual page 50

Setting
Security (Key lock and PIN code lock)
This function allows you to use the Key lock and PIN code
lock function to set the security for the projector operation.
Key lock
This function locks the top control and remote control
buttons to prevent operation by unauthorized persons.
..... Unlocked.
..... 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.
If the top control accidentally becomes locked and you do
not have the remote control nearby 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 unauthorized persons and provides the following
setting options for security.
Off ............ Unlocked.
On1 .......... Enter the PIN code every time turning on
the projector.
On2 .......... Enter the 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 you change the PIN code lock setting or the
PIN code (the four-digit number), you are required to
enter the PIN code. The "1234" is set as the initial PIN
code at the factory.
If you want to change the PIN code lock setting, Press
the SELECT button and the PIN code dialog box
appears.
50
Key lock
On 1
Select Key lock. Use
▲▼
the Point buttons
to choose one of the
options and select
[Yes] to activate it.
PIN code lock
On 1
When the projector is locked
with a PIN code, the PIN code
lock symbol appears on the
menu bar.