BenQ Projector HT4050 User Manual

Operation 31
Adjusting the projected image
Adjusting the projection angle
The projector is equipped with 1 quick-release adjuster foot and 2 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 32
Fine-tuning the image size and clarity
1. Adjust the projected image to the size that you 
need using the ZOOM slide lever. 
2. Then sharpen the image by rotating the FOCUS 
ring. 
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.
You may correct this in ONE of these ways.
•Using the remote control
Press KEYSTONE to display, the 2D Keystone...

Menu Functions 33
Menu Functions
About the OSD Menus
To let you make various adjustments or settings on the projector and the projected image, 
the projector is equipped with 2 types of  multilingual On-Screen Display (OSD) menus:
• Basic OSD menu: provides primary menu functions. (See  Using the Basic OSD menu

on pa

ge 35)
• Advanced  OSD menu: provides full menu functions. (See  Using the Advanced OS
D
men

u on page 39 )
To access the OSD menu, press  MENU on the projector or remote control. 
The...

Menu Functions 34i. Go to the Menu Type menu.
ii. Use ▲/▼ to select Advanced and press OK.
iii. Press MENU again to access the Advanced OSD menu.
Next time when you turn on the projector, you may access the Advanced OSD menu by 
pressing MENU.
Below is the overview of the Advanced OSD menu. 
Likewise, when you wish to switch from the Advanced OSD menu to the Basic OSD 
menu, follow the instructions below:
1. Go to the System Setup : Basic > Menu Settings > Menu Type menu.
2. Use ◄/► to select Basic.
3....

Menu Functions 35
Using the Basic OSD menu
Depending on whether or not any video signal is connected to the projector, the Basic 
OSD menu offers different available functions.
Check the following links to learn more.
•Basic OSD menu - with input signals connected on page 35
•Basic OSD menu - without input signals connected on page 38 (limited menus are 
available)
Basic OSD menu - with input signals connected
The Basic OSD menu provides primary menu functions. Available menu items may vary 
depending on...

Menu Functions 36
Sound ModeSelects a sound effect mode to your preference. The following preset 
sound modes are provided: Standard, Cinema, Music, Game, Sport, 
and User.
To specify the sound settings of the User mode, access the Advanced 
OSD menu and see User EQ on page 50 for details.
If the Mute function is activated, adjusting Sound Mode will turn 
off the Mute function.
Vo l u m eAdjusts the volume level of the projectors internal speaker or the 
volume being output from the audio output jack.If...

Menu Functions 37 3D Sync InvertWhen your 3D image is distorted, enable this function to switch between 
the image for the left eye and the right eye for the more comfortable 3D 
viewing experience.
The function is accessible through the remote control.
Settings Press OK to enter its submenu. See below for more details.
• 3D Sync Mode Selects a sync mode for your 3D glasses.
•Projector 
PositionThe projector can be installed on a ceiling or behind a screen, or with 
one or more mirrors. See Choosing a...

Menu Functions 38
Basic OSD menu - without input signals 
connected
As there’s no input signal to your projector, only the submenus of Settings under Basic 
OSD menu - with input signals connected are available. Menu options that are not available 
will become grayed out.
To access the OSD menu, press MENU on the projector or remote control.
•Use the arrow keys (▲/▼/◄/►) on the projector or remote control to move through 
the menu items.
•Use OK to confirm the selected menu item.
To switch from the Basic...

Menu Functions 39
Using the Advanced OSD menu
The Advanced OSD menu offers complete menu functions. 
The Advanced OSD menu overview above is for reference only and may differ from the actual 
design and the projector model you are using.
To access the OSD menu, press MENU on the projector or remote control. It is consisted 
of the following main menus. Check the links after the menu items below to learn more 
details.
1.Picture menu (see Picture menu on page 44)
2.Audio Setup menu (see Audio Setup menu...

Menu Functions 40
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 a Kensington lock, to secure the projector. You can locate a Kensington lock 
slot on the left side of the projector. See Kensington anti-theft lock slot on page 9 for 
details. 
A Kensington security cable lock is usually a combination of key(s) and a lock. Refer to the 
lock’s documentation for finding out how to use it.
Utilizing...