BenQ Projector CH100 User Manual

21 Connection
Connecting an MHL source device
This projector supports MHL devices (MHL-enabled) through the use of HDMI input jack. 
You can connect your MHL-enabled mobile device to the projector with an MHL cable to 
play high-definition video with fluidity.
MHL (Mobile High-definition Link) supports uncompressed video and audio transmission 
between compatible devices like mobiles phones, tablets and other portable consumer 
electronics devices and transmits signal over a single cable. It provides...

22 Connection
Connecting a video streaming dongle
A video streaming dongle, such as BenQ QCast (purchased separately), allows you to 
perform a wireless projection from your smart device or computer.
• Make sure the projector is powered on before making the connection.
• Compatibility with HDMI/MHL dongles of other brands is not guaranteed.
• The BenQ QCast dongle can be activated via either the MHL or HDMI input port on your 
projector. Be sure to slide the switch on the dongle to a correct position as...

23 Connection
Connecting the dongle to the HDMI 3/MICRO-B 
input port
1. Place the projector on a flat surface with the bottom facing up.
2. Loosen the screw that secures the HDMI 3/MICRO-B cover and open the cover.
3. Connect the USB cable inside the projector to the USB port on the dongle, and then 
connect the dongle to the HDMI 3/MICRO-B input port.
The USB cable is used to provide power for charging the dongle.
To avoid electric shock, do not plug or unplug with wet hands.
4. Replace the HDMI...

24 Connection
Connecting a component video source device
Examine your video source device to determine if it has a set of unused component video 
output sockets available:
• If so, you can continue with this procedure.
• If not, you will need to reassess which method you can use to connect to the device.
To connect the projector to a component video source device:
1. Take a Component Video to VGA (D-Sub) adapter cable and connect the end with 3 
RCA type connectors to the component video output sockets...

25 Connection
Connecting an external speaker
You can hear sound through an external speaker instead of the projector’s built-in speakers.
To connect the projector to an external speaker source device:
Connect an appropriate stereo cable to the external speaker and the audio output jack on 
the projector.
When the audio cable is connected to the audio output jack, the projector’s built-in speakers are 
muted.
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26 Operation
Operation
Starting up the projector
1. Make sure you have connected the projector to power correctly. See Connecting the 
power on page 16 for details.
2. Slide the lens cover open before turning on the projector.
Make sure the lens cover is always open when the projector lamp is on.
3. Press   to start the projector.
The POWER indicator flashes in green, and the fans start operating.
The lamp will light up and a start-up image displays on the screen while the projector 
warms up. The...

27 Operation
The Setup Wizard screenshots below are for reference only and may differ from the actual 
design.
5. If you are prompted to enter the password, use the arrow keys to enter a six-digit 
password. See Utilizing the password function on page 29 for details.
6. Switch on all the connected equipment.i. Step 1:
Specify Projector Position.
ii. Step 2:
Specify OSD Language.
iii. Step 3:
Specify Ve r t i c a l  Ke y s t o n e.
For more information about 
vertical keystone, see Correcting 
keystone on...

28 Operation7. The projector starts to search for available input signals automatically. The current 
input signal being scanned displays on the screen. If the projector does not detect a 
valid signal, the No Signal message appears. You may press   to select your 
desired input signal.
If the frequency/resolution of the input signal exceeds the projector’s operating range, you will 
see the message “Out of Range” displayed on a blank screen. Please change to an input signal 
which is compatible with the...

29 Operation
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 anti-
theft lock slot on the projector.
A Kensington security cable lock is usually a combination of key(s) and the lock. Refer to 
the lock’s documentation to learn how to use it.
Utilizing the password function
For security purposes and to prevent unauthorized...

30 Operation7. Enter the current password to enable the function.
8. Press   to save your changes and exit.
If you forget the password
If you enable the password function, you’ll have to enter your password each time you turn 
on the projector. Once you enter an incorrect password, the error message displays, and 
the Input Current Password window follows.
You can retry by entering another six-digit password, or if you absolutely do not remember 
it, use the password recall procedure. See Entering the...