BenQ Projector MP780 ST+ User Manual

Operation
31 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 
Utilizing the password function on page 35 
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 doesnt 
detect a valid signal, the...

Operation 32
Adjusting the projected image
Adjusting the projection angle
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...

Operation
33
Fine-tuning the image size and clarity
1. Sharpen the image by using the focus ring/
focus slide lever.
Correcting keystone
Keystoning refers to the situation where the projected image is noticeably wider at either 
the top or bottom. It occurs when the projector is not perpendicular to the screen. 
To correct this, besides adjusting the height of the projector, you will need to manually 
correct it following one of these steps.
• Using the remote control
Press  /  on the projector or remote...

Operation 34
Using the menus
The projector is equipped with On-Screen Display (OSD) menus for making various 
adjusents and settings.
Below is the overview of the OSD menu.
The following example describes how to set the OSD language.
1. Press MENU/EXIT on the projector or 
remote control to turn the OSD menu 
on.3. Press  to highlight 
Language and press  /  to 
select a preferred language.
2. Use  /  to highlight the SYSTEM 
SETUP: Basic menu.4. Press MENU/EXIT twice* on 
the projector or remote...

Operation
35
Securing the projector
Using a security cable lock
The projector has to be installed in a safe place to prevent theft. Otherwise, purchase a 
lock, such as the Kensington lock, to secure the projector. You can locate a Kensington 
lock slot on the rear side of the projector. See item 22 on page 10 for details.
A Kensington security cable lock is usually a combination of key(s) and the lock. Refer to 
the locks documentation for finding out how to use it.
Utilizing the password function
For...

Operation 36entering another six-digit password, or if you did not record the password in this manual, 
and you absolutely do not remember it, you can use the password recall procedure. See 
Entering the password recall procedure on page 36 for details.
If you enter an incorrect password 5 times in succession, the projector will automatically 
shut down in a short time.
Entering the password recall procedure
1. Press and hold AUTO on the projector or 
remote control for 3 seconds. The projector 
will...

Operation
37
Disabling the password function
To disable password protection, go back to the SYSTEM SETUP: Advanced > 
Security Settings > Change Security Settings > Power on Lock menu after 
opening the OSD menu system. Select Off by pressing  / . The message INPUT 
PASSWORD displays. Enter the current password. 
• If the password is correct, the OSD menu returns to the Security Settings 
page with Off shown in the row of Power on Lock. You will not have to enter 
the password next time you turn on the...

Operation 38In the unlikely event that you connect the projector to a DVD player via the projectors 
HDMI input and the projected picture displays wrong colors, please change the color space 
to YUV.
1. Press MENU/EXIT and then press   / until the SOURCE menu is highlighted.
2. Press   to highlight Color Space Conversion and press  /  to select a suitable 
color space.
This function is only available when the HDMI input port is in use.
Magnifying and searching for details
If you need to find the details...

Operation
39
Selecting the aspect ratio
The aspect ratio is the ratio of the image width to the image height.
With the advent of digital signal processing, digital display devices like this projector can 
dynamically stretch and scale the image output to a different aspect than that of the image 
input signal. 
To change the projected image ratio (no matter what aspect the source is):
• Using the remote control
1. Press ASPECT to show the current setting.
2. Press ASPECT repeatedly to select an aspect...

Operation 404.16:9: Scales an image so that it is displayed in the 
center of the screen with a 16:9 aspect ratio. This 
is most suitable for images which are already in a 
16:9 aspect, like high definition TV, as it displays 
them without aspect alteration.
5.16:10: Scales an image so that it is displayed in the 
center of the screen with a 16:10 aspect ratio. This 
is most suitable for images which are already in a 
16:10 aspect, like high definition TV, as it displays 
them with out aspect...