BenQ Projector CH100 User Manual

51 Menu functions
Audio Setup menu
Reset Current 
Picture Mode
All of the adjustments you’ve made for the selected Picture 
Mode (including preset modes and User) return to the factory 
preset values.
1. Press  . The confirmation message displays.
2. Use  /  to select Reset and press  . The picture 
mode returns to the factory preset settings.
3. Repeat steps 1 to 2 if you want to reset other picture 
modes.
SubmenuFunctions and Descriptions
Sound Mode
Sound Mode utilizes MaxxAudio sound enhancement...

52 Menu functions
Display menu
SubmenuFunctions and Descriptions
Aspect Ratio
The native display resolution of this projector is in a 16:9 aspect 
ratio. However, you may use this function to display projected 
picture in a different aspect ratio.
• Auto
Scales a picture proportionally to fit the projector’s native 
resolution in its horizontal or vertical width. This makes the 
most use of the screen and maintains the aspect ratio of a 
picture.
• 4:3
Scales a picture so that it is displayed in the...

53 Menu functions
System Setup : Basic menu
PC & Component 
YPbPr Tuning
• H. Size
Adjusts the horizontal width of the picture.
This function is only available when the Component or PC 
signal is selected.
• Phase
Adjusts the clock phase to reduce picture distortion.
This function is only available when the Component or PC 
signal is selected.
• Auto
Adjusts the phase and frequency automatically.
This function is only available when the PC signal is selected.
SubmenuFunctions and Descriptions...

54 Menu functions
System Setup : Advanced menu
Menu Settings
• Menu Type
Switches to the Basic OSD menu.
• Menu Position
Sets the OSD menu position.
• Menu Display Time
Sets the length of time the OSD will remain active after your last 
key press.
• Blank Reminder Message
Sets whether the reminder message is displayed by the projector 
while the image is hidden.
Source Rename
Renames the current input source to your desired name.
On the Source Rename window, use  /// to set 
the desired characters for...

55 Menu functions
Te s t  P a t t e r n
Enable this function to display the grid test pattern, which helps 
you adjust the image size and focus so as to check if the 
projected image is free of distortion.
Closed Caption
• Closed Caption Enable
Activate the function by selecting On when the selected input 
signal carries closed captions*.
*About caption
An on-screen display of the dialogue, narration, and sound 
effects of TV programs and videos that are closed captioned 
(usually marked as “CC” in TV...

56 Menu functions
Information menu
Some information is given only when certain input sources are in use.
Key  L o c k
With the keys on the remote control locked, you can prevent 
your projector settings from being changed accidentally (by 
children, for example).
When you select On to enable this function, no keys on the 
remote control will function, except for   POWER.
To unlock the keys, press and hold   on the remote control 
for 3 seconds.
LED Indicator
When you select On, all the indicators on the...

57 Menu functions
Advanced OSD menu structure
The OSD menus vary according to the signal type selected.
Main menuSubmenuOptions
PicturePicture ModeBright/Graphic (sRGB)/Motion Video/Lectures/
Cinema (Film)/Vivid Color/User
User Mode 
ManagementLoad Settings From
Rename User Mode
Brightness 0–100
Contrast 0–100
Color Enhancer 0–100
Tint 0–100
Pixel Enhancer 0–15
Color Temperature Normal/Cool/Lamp Native/Warm
LED Mode Normal/Economic
Advanced...Black Level 0 IRE/7.5 IRE
Gamma...

58 Menu functions
System Setup : 
BasicLanguage
Background Color Black/Blue/Purple
Splash Screen BenQ/Black/Blue
Projector Position Front/Front Ceiling/Rear/Rear Ceiling
Auto Off Disable/5 min/10 min/15 min/20 min/25 min/30 min
Direct Power On On/Off
Menu SettingsMenu Type Basic/Advanced
Menu PositionCenter/Top-Left/Top-
Right/Bottom-Right/
Bottom-Left
Menu Display TimeAlways On/5 sec/10 sec/15 
sec/20 sec/25 sec/30 sec
Blank Reminder Message On/Off
Source Rename
Quick Auto Search On/Off
System Setup :...

59 Maintenance
Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you need to do on a regular basis is 
to keep the lens clean.
Never remove any parts of the projector. Contact your dealer if other parts need replacing.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. 
• Use a canister of compressed air to remove dust. 
• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens 
cleaner and gently wipe...

60 Maintenance
Transporting the projector
It is recommended that you ship the projector with its original packing or equivalent.
Lamp information
Getting to know the lamp hour
When the projector is in operation, the duration (in hours) of lamp usage is automatically 
calculated by the built-in timer.
Total (equivalent) lamp hours = 1.5 x (hours used in Normal mode) + 1 x (hours used in 
Economic mode)
To obtain the lamp hour information:
1. Press   and then use the arrow keys (///) to go to Information...