6 fan mode setting, 7 system lock function, A setting/changing the keycode – Sharp Notevision XR-50S User Manual
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Menu operation n Page
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6 Fan Mode Setting
This function changes the fan rotation speed.
Selectable
items
Description
Normal
Suitable for normal environments.
High
Set when using the projector at 
altitudes of approximately 1,500 meters 
(4,900 feet) or more. 
When “Fan Mode” is set to “High”, the fan rotation 
speeds up, and the fan noise becomes louder.
7 System Lock Function
This function prevents unauthorized use of the 
projector. Once this function is activated, 
users must enter the correct keycode each 
time the projector is turned on. We suggest 
you record the keycode in a safe place 
where only authorized users have access.
Info
If you lose or forget your keycode, contact 
your nearest Sharp Authorized Projector 
Dealer or Service Center (see page 
69
). Even
if the product warranty is valid, the keycode 
reset will incur a charge.
•
a Setting/Changing the Keycode
1
Select “System Lock”, then press
ENTER or Q.
2
Select “Next”, then press ENTER.
The screen for entering the keycode 
appears.
3
Press the 4 buttons on the remote
control or on the projector to enter 
the preset keycode in “Old Code”.
When setting the keycode for the fi rst time, 
press R on the projector for four times.
Setting the System Lock
PRJ - ADJ1
Old Code
New Code
Reconfirm
– – – –
– – – –
– – – –
•
•
1
2
3
Adjusting the Projector Function (“PRJ-ADJ1/2” Menu)
(Continued)
If you input a wrong keycode, the cursor returns to 
the fi rst point of the “Old Code”.
The preset keycode is 4 R buttons on the 
projector. When you press the R button four 
times, the keycord input screen disappears.
•
•
Note
4
Press the 4 buttons on the remote
control or on the projector to enter 
the new keycode in “New Code”.
You cannot use the following buttons 
for keycode: STANDBY/ON, ON, 
STANDBY, ENTER, L-CLICK, R-
CLICK/RETURN and MENU
System Lock function recognizes 
each button on the remote control 
or on the projector as an individual 
button, even if they share the same 
button name. If you used the buttons 
on the projector in setting your 
keycode, the keycode cannot be 
canceled with the remote control.
•
•
Note
Setting the System Lock
Old Code
New Code
Reconfirm
* * * *
–
– – –
– – – –
PRJ - ADJ1
5
Enter the same keycode in “Re-
confi rm”.
To cancel the keycode that you have 
already set
 Press R on the projector for four times in 
steps 4 and 5 above.
When the System Lock is set
When System Lock is set, the keycode input 
screen appears after the power is turned on. 
When it appears, enter the right keycode to 
start projection.
Input screen for keycode
System Lock
– – – –
•
•
Note
4
5
