56
OPTION menu
Item Description
SERVICE
(continued)
KEY LOCK
Using the ▲/▼ buttons turns on/off the key lock feature. When ON 
is selected, the buttons on the projector except the STANDBY/ON 
button are locked.
ON 
 OFF
• Please use this function to prevent tampering or accidental 
operation. This function does not have any effect on the remote 
control.
REMOTE FREQ.
(1)  Use the ▲/▼ button to change the projector's remote sensor 
frequency setting (
4, 16).
1:NORMAL
 
 2:HIGH
(2)  Use the ◄/► button to change the 
projector's remote sensor on or off.
ON 
 OFF
The factory default setting is for both 1:NORMAL and 2:HIGH to be 
on. If the remote control does not function correctly, disable either of 
them.
It's not possible to disable both options at the same time.
COMMUNICATION
Selecting this item displays COMMUNICATION 
menu. 
In this menu, you can configure the serial 
communication settings of the projector using the 
CONTROL port.
• Select an item using the cursor buttons ▲/▼. 
Then pressing the ► button opens the submenu 
for the setting item you selected. Or, pressing 
the ◄ button instead of the ► button makes the 
menu back to the previous one without changing 
the setup. Each submenu can be operated as 
described above.
• When COMMUNICATION TYPE 
(
57)
 is set to 
OFF
, the other items in COMMUNICATION menu 
are invalid. 
• For the function of serial communication, refer to 
the User's Manual - Network Guide.
(continued on next page)