Boxlight Boston Series User Manual

89 
Maintenance of Projector  
 
 
 
 
WARNING  
The projector uses a high-pressure mercury lamp. 
The explosion of lamp with a loud bang or burn out could possibly cause injury or a fire. 
When the bulb bursts, it is possible for shards of glass to fly into the lamp housing and 
for gas containing mercury to escape from the projector‟s vent holes. 
If the lamp has broken, do not check the inside of the projector. Ventilate the room 
immediately. 
Do not touch or bring your face close to the broken...

90 
Maintenance of Projector  
 
 
Other Care 
 
Cleaning The Lens  
If the lens is dirty and dusty, display quality may be decreased. Before cleaning the lens, 
make sure that the projector has cooled down adequately. 
After the projector has cooled down adequately, lightly wipe the lens with the available 
lens-cleaning cloth. 
Do not touch the lens directly with your hand. 
   
Additional  
-In order to ensure the safe use of your projector, please contact your dealer to inspect 
about once a year....

91 
Troubleshooting  
 
 
Indicator  
The power and lamp indicators show the status of the projector. Before requesting repair, 
check the projector status using the chart below. If the problem cannot be resolved, 
contact your dealer. 
 
In normal status~~~  
POWER  LAMP CONDITIONS DESCRIPTION 
Blinking In 
Green 
 Off   Stand by mode Projector is ready to be turned 
on. 
Lighting In 
Green 
 Off   On mode  Projector is on and operating. 
 Lighting In 
Green 
 Blinking In Red 
( Slow ) 
 
Cool down mode...

92 
Troubleshooting 
 
Error For Machine Defects 
 
 
 
The following problems may be confused with a machine defect. Check and follow the 
table. If it couldn‟t be improved, contact your dealer. 
 
Symptom Cause / Remedy 
 
   
 
 
Projector power 
does not turn on. 
The power cord is disconnected. 
Plug the power cord into an AC outlet. 
Intending to turn on the projector again during the cool down 
mode. 
Wait until the cool down mode has completed. 
There is no lamp and/or lamp cover is not firmly...

93 
Troubleshooting 
 
Error For Machine Defects 
 
 
 
Symptom Cause / Remedy 
   
No audio 
The projector is not connected correctly. 
Check if audio cable is connected correctly. 
The volume is set to minimum. 
Adjust the volume. 
Mute is turned on. 
Press the MUTE button.   
Remote control is 
not working. 
No battery. 
Before using the remote control, check the battery of remote 
control. 
Remote signal is obstructed. 
Remove the obstacle between projector and remote control.  

94 
Troubleshooting 
 
List of Supported Monitor Displays 
 
 
 
Computer mode 
Signal Refresh Rate (Hz) Resolution (pixels) 
VGA 60 640x480 
VESA 60/72/75/85 640x480 
SVGA 56/60/72/75/85 800x600 
XGA 60/70/75/85 1024x768 
SXGA 70/75 1152x864 
SXGA 60/75 1280x960 
SXGA 60 1280x1024 
WXGA 60/75 1280x800 
WXGA+ 60/75/85 1440x900 
SXGA + 60/75 1400x1050 
UXGA 60 1600x1200 
WSXGA+ 60 1680x1050 
MAC 67 1280x1024/640x480 
MAC 75 832x624 
MAC 75 1024x768 
MAC 75 1152x870 
Composite / S-Video 
Signal Refresh...

95 
Appendix  
Menu Tree (PC Mode) 
 
 
Brightness  PICTURE    
 
 AUDIO 
 Contrast 
Sharpness 
Display Mode 
  Volume Mute 
  
 Natural Cinema Daylight Green Board White Board Black Board User 
  
  
 SETTING 
H Position 
V Position 
Phase 
Frequency 
Auto Keystone 
V Keystone 
Auto Sync 
   PRESENTATION 
Auto Ceiling 
 Lamp Mode  Lamp  Reset Lamp Timer  Power Managment 
Front Ceiling Rear Ceiling And Rear   
   
 Off Auto Search PIN Lock Protection On 1 On 2 
Modify PIN     
   
  ADVANCED 
  Zoom /...

96 
Appendix  
 
 
Menu Tree (Video Mode)     PICTURE 
Brightness 
Contrast 
Sharpness 
Color 
Tint  Display Mode 
 
   
  
 Natural Cinema Daylight 
 
  
 PRESENTATION 
  Auto Ceiling 
 Lamp Mode  Lamp  Reset Lamp Timer 
 Front Ceiling Rear Ceiling And Rear 
Green Board White Board 
Power Managment  Off 
 AUDIO    
 SETTING 
 Volume 
Mute  
 Auto Keystone 
V Keystone 
Auto Search 
  Zoom / Pan 
Black Board User  
 SECURITY 
PIN Lock Protection On 1 On 2 
Modify PIN  Filter Timer  Reset Filter Timer 500...

Appearance
97
Appendix