30
Setting for input port on menu
5.3 Starting Main projector 
After performing Checking Main projector’s operating status section, it is 
conrmed that the two projectors are set to ALTERNATE MODE and Sub projector 
is working at the moment.  Since the setting for Intellectual Stack can be changed 
while Main projector is working, this section shows you how you can switch from 
Sub projector to Main. 
1.
  Using the ▲/▼/◄/► buttons, go down the menu tree as below.  
ADVANCED MENU > OPTION 
 > SERVICE > COMMUNICATION > STACK
STACK menu will appear on screen. 
(
Operating Guide → OPTION menu)
2.
  Check ALTERNATE MODE setting in the menu.  
If NORMAL is shown, two projectors are powered on in turn.  So, if the stacked 
projectors are restarted, Main projector will turn on.  
(1) Press STANDBY/ON button on the remote control or control panel of Main 
projector, and then Sub projector will turn off. 
(2) After cooling down of the projector turn on again with pressing STANDBY/ON 
button.  Main projector will turn on this time.  
If AUTO is shown, one of projector having a lamp that is shorter usage time is 
powered on.  So, even though the stacked projectors are restarted, Main projector 
may not turn on.  Take the following process to turn on Main projector.  
(1) Use the ▲/▼ button to point at STACK MODE, and press the ► button to 
display STACK MODE dialog.  
(2) Use the ▲/▼ button to point at OFF, and then press the ► button to complete 
the setting. (
23
)  
(3) Display STACK MODE dialog again with the same process above.  
(4) Use the ▲/▼ button to point at SUB, and then press the ► button to complete 
the setting. (
23
)  
(5) After exiting, wait for 10 seconds or more.  
(6) Press STANDBY/ON button on the remote control or control panel of Main 
projector, and then Sub projector will turn off.  
(7) After cooling down of the projector turn on again with pressing STANDBY/
ON button.  Main projector will surely turn on this time, even if AUTO is set on 
LAMP MODE.   
3.
  Now, Main projector is working, so you can set or change the setting for 
Intellectual Stack.  Proceed to 5.4 Setting on menu. (
31
)  
NOTE  • If Main projector cannot turn on with an error or something wrong on 
Main, Sub projector will turn on even if you take the procedure as mentioned 
above.  Take necessary action for Main projector to recover rst, and then 
change the setting for Intellectual Stack.