BenQ Projector HT2050 User Manual

  41
  Menu Functions
System Setup : Basic menu
SubmenuFunctions and Descriptions
Language
Sets the language for the On-Screen Display (OSD) menus. 
Background ColorSets the background color when there is no signal to the projector. 
Splash ScreenAllows you to select which logo screen displays during projector start-up. You 
can choose BenQ logo screen, Blue screen, or Black screen.
Projector PositionThe projector can be installed on a ceiling or behind a screen, or with one or 
more mirrors. See...

42 Menu Functions  
System Setup : Advanced menu
SubmenuFunctions and Descriptions
Lamp Settings
•  Reset Lamp Timer
Activate this function only after a new lamp is installed. When you select Reset, 
a Reset Successfully message displays to notify that the lamp time has been 
reset to 0. 
• Lamp Timer
Select to learn the duration (in hours) of lamp usage which is automatically 
calculated by the bulit-in timer. 
Total (equivalent) lamp hour = 2.0 x (hours used in Normal mode) + 1.4 x 
(hours used in...

  43
  Menu Functions
High Altitude Mode
The mode is for operation in areas like high altitude or high temperature 
environments. Activate the function when your environment is between 1500 m 
–3000 m above sea level and ambient temperature is between 0°C–30°C.
Do not use this function if your altitude is between 0 m and 1500 m and 
ambient temperature is between 0°C and 35°C. If you turn on the mode 
under such a condition, the projector will be over cooled.
Operation under High Altitude Mode may cause...

44 Menu Functions  
Information menu
Some information is given only when certain input sources are in use. 
SubmenuFunctions and Descriptions
Source
Displays the current signal source.
Picture ModeDisplays the current picture mode under the Picture menu.
ResolutionDisplays the native resolution of the input source.
Color SystemDisplays input system format.
Lamp Usage TimeDisplays the number of hours the lamp has been used.
3D FormatDisplays the current 3D mode. Only available when 3D Mode is enabled....

  45
  Menu Functions
Advanced OSD menu structure
The OSD menus vary according to the signal type selected.
Main menuSubmenuOptions
Picture
Picture Mode Bright/Vivid/Cinema/Game/User 1/User 2/3D/ISF Night/ISF Day
User Mode 
ManagementLoad Settings From
Rename User Mode
Brightness 0–100
Contrast 0–100
Color 0–100
Tint 0–100
Sharpness 0–15
Color Temperature Normal/Cool/Lamp Native/Warm
Lamp Power Normal/Economic/SmartEco
Advanced...Black Level 0 IRE/7.5 IRE
Gamma Selection...

46 Menu Functions  
System Setup : 
Basic
Language
Background Color Black/Blue/Purple
Splash Screen BenQ/Black/Blue
Projector Position Front/Front Ceiling/Rear/Rear Ceiling
Auto OffDisable/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 Time5 sec/10 sec/15 sec/20 sec/25 sec/30 sec/
Always On
Blank Reminder Message On/Off
Source Rename
Auto Source On/Off
System Setup :...

  47
  Maintenance
Maintenance
Care of the projector
Your projector needs little maintenance. The only thing you have to do on a regular basis is keep the lens 
clean. 
Never remove any parts of the projector except the lamp. Contact your dealer or local customer service 
center if the projector fails to operate as expected.
Cleaning the lens
Clean the lens whenever you notice dirt or dust on the surface. 
Before cleaning any part of the projector, turn it off using the proper shutdown procedure (see...

48 Maintenance  
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 hour = 2.0 x (hours used in Normal mode) + 1.4 x (hours used in Economic 
mode) + 1.0 x (hours used in SmartEco mode) 
To obtain the lamp hour information:
1. Press MENU and then use the arrow keys (///) to go to Information (while under the 
Basic OSD menu) or Settings
 > Information (while...

  49
  Maintenance
Setting Auto Off
This function allows the projector to turn off automatically if no input source is detected after a set 
period of time.
1. Under the Advanced OSD menu, go to System Setup : Basic > Auto Off.
2. Press  /  to select a time period. If the preset time lengths are not suitable for your presentation, 
select Disable, and the projector will not automatically shut down in a certain time period.
3. When done, press BACK to save your changes and exit.
Timing of replacing the...

50 Maintenance  
Replacing the lamp
•  To reduce the risk of electrical shock, always turn the projector off and disconnect the power cable 
before changing the lamp.
•  To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before replacing the 
lamp.
•  To reduce the risk of injuries to fingers and damage to internal components, use caution when removing 
lamp glass that has shattered into sharp pieces.
•  To reduce the risk of injuries to fingers and/or compromising...