BenQ Projector HT4050 User Manual

Connection 21
HDMI connection
HDMI (High-Definition Multimedia Interface) supports uncompressed video data 
transmission between compatible devices like DTV tuners, DVD players, Blu-ray players 
and displays over a single cable. You should use an HDMI cable when making a connection 
between the projector and HDMI devices. 
3
Notebook or desktop

computer
A/V device
HDMI cable 

Connection 22
Smart devices connection
The projector can project the content directly from a MHL compatible smart device. Using 
an HDMI to Micro USB cable or an HDMI to Micro USB adaptor, you can connect your 
smart devices to the projector and then enjoy your content on the big screen.
Some smart devices may not be compatible to the cable that you use. Please consult the 
manufacturer of your smart device for detailed information.
Using an HDMI to Micro USB cable
1. Connect one end of the HDMI to Micro...

Connection 23
Using an HDMI to Micro USB adaptor and an HDMI cable
1. Connect one end of the HDMI cable to the HDMI input connector on the projector.
2. Connect the other end of the HDMI cable to the HDMI input socket on the adaptor.
3. Connect the other end of the adaptor to the Micro USB output socket on your 
smart device.
4. Switch to the HDMI/MHL input source. To switch input signal, see Switching input 
signal on page 43 for details. 
HDMI cable 

Connection 24
Component Video connection
4. Component Video to VGA (D-Sub) 
adapter cable
5. Component Video to Component 
cable7. Audio L/R cable
8. Audio cable
7584
Notebook or desktop

computer
A/V device
Speakers 

Connection 25
Video connection
6. Video cable
7. Audio L/R cable8. Audio cable
768
Notebook or desktop

computer
A/V device
Speakers 

Connection 26
PC connection
• Many notebooks do not turn on their external video ports when connected to a projector. 
Usually a key combo like FN + F3 or CRT/LCD key turns the external display on/off. Locate a 
function key labeled CRT/LCD or a function key with a monitor symbol on the notebook. 
Press FN and the labeled function key simultaneously. Refer to your notebooks 
documentation to find your notebooks key combination.
1. USB cable
2. VGA cable8. Audio cable
82
8
1
Notebook or desktop

computer...

Connection 27
Connecting video source devices
You need only connect the projector to a video source device using just one of the 
connecting methods, however each provides a different level of video quality. The method 
you choose will most likely depend upon the availability of matching terminals on both the 
projector and the video source device as described below: 
In the connection illustrations shown below, some cables may not be included with the projector 
(see Shipping contents on page 8). They...

Connection 28
Playing sound through the projector
You can make use of the projector (mixed mono) speaker in your presentations, and also 
connect separate amplified speakers to the AUDIO OUT socket of the projector.
If you have a separate sound system, you will most likely want to connect the audio output 
of your Video source device to that sound system, instead of to the mono audio projector.
Once connected, the audio can be controlled by the projector On-Screen Display (OSD) 
menus.
The table below...

Operation 29
Operation
Starting up the projector
1. Plug the power cord into the projector and into 
a wall socket. Turn on the wall socket switch 
(where fitted). Check that the POWER 
indicator light on the projector lights orange 
after power has been applied.
Please use the original accessories (e.g. power cable) 
only with the device to avoid possible dangers such as 
electric shock and fire.
2. Press POWER on the projector   or remote control   to start the projector 
and a start up tone sounds....

Operation 304. If you are prompted for a password, press the arrow keys to enter a six digit 
password. See Utilizing the password function on page 40 for details.
5. Switch all of the connected equipment on.
6. The projector will start to search for input signals. The current input signal being 
scanned displays in the upper left corner of the screen. If the projector doesnt 
detect a valid signal, the message No Signal will continue displaying until an input 
signal is found.
You can also press SOURCE...