Benq MX661 Manuale Utente

Operation

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4.

If the projector is activated for the first time, 
select your OSD language following the on-
screen instructions.

5.

If you are prompted for a password, press the 
arrow keys to enter a six digit password. See 

for details.

6.

Switch all of the connected equipment on.

7.

The projector will start to search for input 
signals. The current input signal being scanned 
displays in the screen. If the projector doesn't 
detect a valid signal, the message 'No Signal' 
will continue displaying until an input signal is 
found.
You can also press Source on the projector or remote control to select your 
desired input signal. See 

 for details.

The projector is equipped with 1 quick-release adjuster foot and 1 rear adjuster foot. 

These adjusters change the image height and projection angle. To adjust the projector:

1.

Press the quick-release button and lift the front 
of the projector. Once the image is positioned 
where you want it, release the quick-release 
button to lock the foot in position.

2.

Screw the rear adjuster foot to fine tune the 
horizontal angle.

To retract the foot, hold up the projector while 

pressing the quick-release button, then slowly lower 

the projector. Screw the rear adjuster foot in a 

reverse direction.

If the projector is not placed on a flat surface or the screen and the projector are not 

perpendicular to each other, the projected image becomes trapezoidal. To correct this 

situation, see 

 for details.

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