BenQ Projector MX852UST+ User Manual

Operation61
5. System Setup: Advanced menu
High Altitude 
ModeA mode for operation in high altitude areas. 
See Operating in a high altitude environment on page 46 
for details.
Audio 
SettingsSee Adjusting the sound on page 47 for details.
Lamp 
Settings
Lamp Mode 
See Setting Lamp mode as Economic or SmartEco on 
page 66 for details.
Reset lamp timer
See Resetting the lamp timer on page 71 for details.
Equivalent Lamp Hour
See Getting to know the lamp hour on page 66 for details 
on how the total lamp...

Operation 62
5. System Setup: Advanced menuBaud Rate
Selects a baud rate that is identical with your computer’s 
so that you can connect the projector using a suitable RS-
232 cable and update or download the projector’s 
firmware. This function is intended for qualified service 
personnel.
Te s t  P a t t e r n
Selecting On enables the function and the projector 
displays the grid test pattern. It helps you adjust the image 
size and focus and check that the projected image is free 
from distortion....

Operation63
5. System Setup: Advanced menu
Standby 
Settings
Network
Enable Network Standby Mode
To enable or disable the network standby mode after the 
projector is automatically or manually turned off.
•  On: The projector will maintain at network standby 
mode with less than 6W power consumption.
•  Off: The projector will maintain at normal standby 
mode with less than 0.5W power consumption.
Auto Disable Network standby mode
To enable or disable the auto switch from network 
standby mode to...

Operation 64
The Information menu shows you the current operating status of the 
projector.
5. System Setup: Advanced menu
Network 
settings
Wired LAN
AMX Device Discovery
When AMX Device Discovery is On, the projector 
can be detected by AMX controller.
MAC Address
Displays the mac address for this projector.
Reset All 
Settings
Returns all settings to the factory preset values.
The following settings will still remain: Position, 
Phase, H. Size,  Projector Installation, 
Language, High Altitude Mode,...

Maintenance65
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 except the lamp. Contact your 
dealer if other parts need replacing.
Cleaning the Projector Mirror
Remove the dust with a Bellows/Lens Blower readily available from camera 
shops to prevent scratching the mirror with subsequently wiped.
Cleaning the lens
Clean the lens whenever you notice dirt or dust...

Maintenance 66
Transporting the projector
It is recommended that you ship the projector with its original packing or 
equivalent.
When you carry the projector yourself, please use the original box or a 
suitable soft carry case.
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. The method of calculating the 
equivalent lamp hour is as follows:
See Setting Lamp mode as Economic or...

Maintenance67
There is a time delay between lamp mode instances.
Setting Auto Power Off
This function allows the projector to turn off automatically if no input source 
is detected after a set period of time to prevent unnecessary waste of lamp 
life.
To  s e t   Auto Power Off , go into the SYSTEM SETUP: Basic > Auto 
Power Off  menu and press  ◄/► . The time period can be set from 5 to 30 
minutes in 5-minute increments. If the preset time lengths are not suitable for 
your presentation, select...

Maintenance
68
The warning messages below are for reference only. Please follow the actual 
on-screen instructions to prepare and replace the lamp.
StatusMessage
Install a new lamp for optimal 
performance. If the projector is normally 
run with  Economic selected (See 
Setting Lamp mode as Economic or 
SmartEco on page 66 ), you may 
continue to operate the projector until 
the next lamp warning appears.
Press  MODE/ENTER  to dismiss the 
message.
It is strongly recommended that you 
replace the lamp at...

Maintenance69
Replacing the lamp
•  If lamp replacement is performed while the projector is suspended 
upside-down from the ceiling, make sure that no one is underneath the 
lamp socket to avoid any possible injury or damage to the human eyes 
caused by fractured lamp.
•  To reduce the risk of electrical shock, always turn the projector off and 
disconnect the power cord before changing the lamp.
•  To reduce the risk of severe burns, allow the projector to cool for at least 
45 minutes before replacing...

Maintenance 70
4. Loosen the two captive screws 
that secure the lamp.
•  Do not turn the power on with the 
lamp cover removed.
•  Do not insert your fingers between 
the lamp and the projector. The 
sharp edges inside the projector 
may cause injuries.
5. Lift the handle so that it stands 
up. Use the handle to slowly pull 
the lamp out of the projector.
•  Pulling it too quickly may cause the 
lamp to break and scatter broken 
glass in the projector.
•  Do not place the lamp in locations 
where water...