BenQ Projector HT4050 User Manual

HT4050
Digital Projector 
Home Cinema Series 
User Manual 

2
Ta b l e  o f  c o n t e n t s
Important safety 
instructions ................... 3
Projector features ........ 7
Shipping contents ...................................... 8
Projector exterior view........................... 9
Controls and functions ..........................11
Positioning your 
projector ..................... 16
Choosing a location ................................16
Obtaining a preferred projected 
image size ..................................................17
Shifting the projection...

Important safety instructions 3
Important safety instructions
Your projector is designed and tested to meet the latest standards for safety of information 
technology equipment. However, to ensure safe use of this product, it is important that 
you follow the instructions mentioned in this manual and marked on the product. 
Safety Instructions
1.Please read this manual before 
you operate your projector. Save 
it for future reference. 
2.Do not look straight at the 
projector lens during operation. 
The...

Important safety instructions 4
Safety Instructions (Continued)
7. The lamp becomes extremely hot 
during operation. Allow the 
projector to cool for approximately 
45 minutes prior to removing the 
lamp assembly for replacement. 
8. Do not operate lamps beyond the 
rated lamp life. Excessive operation 
of lamps beyond the rated life could 
cause them to break on rare 
occasions. 
9. Never replace the lamp assembly or 
any electronic components unless 
the projector is unplugged. 10. Do not place this...

Important safety instructions 5
Safety Instructions (Continued)
13. Do not place this projector in any of 
the following environments.
- Space that is poorly ventilated or 
confined. Allow at least 50 cm clearance 
from walls and free flow of air around 
the projector. 
- Locations where temperatures may 
become excessively high, such as the 
inside of a car with all windows rolled up.
- Locations where excessive humidity, 
dust, or cigarette smoke may 
contaminate optical components, 
shortening the...

Important safety instructions 6
Safety Instructions (Continued)
17. Do not step on the projector or place 
any objects upon it. Besides probable 
physical damage to the projector, 
doing so may result in accidents and 
possible injury.
18. Do not place liquids near or on the 
projector. Liquids spilled into the 
projector may cause it to fail. If the 
projector does become wet, 
disconnect it from the power supplys 
wall socket and call BenQ to have the 
projector serviced.
19. This product is capable of...

Projector features 7
Projector features
•Full HD compatible
The projector is compatible with Standard Definition TV (SDTV) 480i, 576i, Enhanced 
Definition television (EDTV) 480p, 576p and High Definition TV (HDTV) 720p, 1080i/p 
60Hz formats, with the 1080p format providing a true 1:1 image reproduction.
•High picture quality
The projector provides excellent picture quality due to its high resolution, excellent 
home theater brightness, high contrast ratio, vivid color and rich gray-scale...

Projector features
8
Shipping contents
Carefully unpack and verify that you have all of the items shown below. If any of these items 
are missing, please contact your place of purchase.
Standard accessories
The supplied accessories will be suitable for your  region, and may differ from those illustrated.
*The warranty card is only supplied in some specific regions. Please consult your dealer for 
detailed information.
Other accessories
For below accessories, please consult yo ur dealer for detailed...

Projector features 9
Projector exterior view
1. External control panel 
(See Projector on page 11 for 
details.)
2. Lamp compartment cover
3. Vent (cooling vent)
4. Quick-release button
5. Lens cap & string
6. Projection lens
7. Zoom slide lever
8. Front IR remote sensor
9. Focus ring
10. Lens Shift
11. Top IR remote sensor
12. 3D SYNC OUT
13. HDMI 1 input jack
14. HDMI 2 / MHL dual mode port 
Also can be charging connected MHL 
compatible smart device as long as the 
projector is powered on.
15. USB...

Projector features 1030. Ceiling mount holes
31. Front adjuster foot
32. Rear adjuster foot
Bottom side
31
32
3030
3032