Boxlight Bl X25nu/x25nu User Manual

59
Maintenance of Projector
Air Filter
When	a	warning	message	appears	to	remind	you	to	clean	the	air	filter,	please	replace	a	
new	one	as	soon	as	possible.	Please	check	and	clean	the	air	filter	periodically.
Replacing the Air Filter
When	the	use	time	reaches	the	filter	counter	time,	the	projector	will	display	a	message	
that	indicates	to	replace	a	new	filter.	If	there	is	no	spare	air	filter	available,	please	contact	
your dealer.Turn	off	the	projector,	and	unplug	the	power	cord.	 Allow	the	projector	to...

60
Maintenance of Projector
Lamp
1.  If you want to replace new lamp, but the projector was just turned off, please let the 
projector cool down and unplug power cord at least 60 minutes.
2.   If the projector is mounted in the ceiling, contact your dealer to repla\
ce the lamp.
Replacing New Lamp
1. Remove the lamp door.
2.  Loosen 2 screws of the lamp holder. Take the handle on the top of the lamp, pull out 
the lamp straight off the projector.
3.	Insert	new	lamp,	lock	the	lamp	door	firmly	with	2...

61
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	burts,	it	is	possible	for	shards	of	glass	to	fly	into	the	lamp	housing;	and	
for gas containing mercury to escapefrom the projector’s vent holes.
If the lamp has broken, do not check the inside of the projector. Please ventilate the room 
immediately.
Do not touch or bring your face close to the broken pieces since it...

62
Maintenance of Projector
Other Care
Cleaning The Lens
If the lens is dirty and dusty, display quality maybe decreased. Before cleaning the lens, 
please make sure that the projector is cool 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.
-  Before...

63
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 LAMPCONDITIONSDESCRIPTION
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 Projector is in cool down mode...

64
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.
SymptomCause / 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 closed.
Please turn off the power...

65
Troubleshooting
Error For Machine Defects
SymptomCause / Remedy
No audioThe projector is not connected correctly.
Check audio cable if connect 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, please check the battery of remote 
control.
Remote signal is obstructed.
Remove the obstacle between projector and remote control. 

66
Troubleshooting
List of Supported Monitor Displays
Computer mode
SignalRefresh Rate (Hz) Resolution (dots)
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
Component (Y,Pb,Pr)
Signal Refresh Rate (Hz) Resolution (dots)...

Appendix
Menu Tree (PC Mode)
AUDIOContrast
Sharpness
NaturalCinema
Daylight Green Board
White Board
Black Board
Volume
Mute
H Position
Frequency
ADVANCED Blank Power Off
DVI-I
PIN Lock ProtectionOn 1
On 2
FrontCeiling Rear
Ceiling And Rea
r
Freeze
English…]ÛLþ_Í


Français
Deutsch
Italiano
Polski
Português
Español
ไทย
Svenska
1:1 MAC ADDR.
PICTURE
Brightness
SETTING V Position
Phase
Auto Keystone
V Keystone Auto Sync
Auto Search
Zoom / Pan
Blank 
Reset
Resize
4:3
16:9
Language
Select Source
Logo...

Appendix
AUDIOContrast
Sharpness
NaturalCinema
Daylight Green Board
White Board
Black Board
Volume
Mute
ADVANCED Blank Power Off
DVI-I PIN Lock Protection
On 1
On 2
FrontCeiling
Rear
Ceiling And Rear
Freeze
Englis h…]ÛLþ_Í


Français
Deutsch
Italiano
Polski
Português
 
Español
ไท ย
Svenska MAC ADDR.(optional)
PICTURE
Brightness
SETTING
Auto Keystone
Auto Sync
Auto Search
Zoom / Pan
Blank 
Reset
Resize
Language
Select Source
Logo Setting RGB 2
RGB 1
Y,Pb,PrVideoS-VideoLogo Mode
Background Logo...