Boxlight Cd-40m Users Guide

34
Maintenance & Troubleshooting
•
You might need to turn everything off and power up the 
equipment again in the proper order. Refer to your com-
puter ’s documentation to determine the correct order.
•Make sure your laptop’s external video port is turned on. See 
the “Portable and Laptop Activation Chart” on page 41 or 
your computer ’s manual for details.
•Make sure your computer ’s video board is installed and con-
figured correctly.
If you’re using Windows 3.x:
1In the Windows Program Manager,...

35
Problem: Image is out of focus
•Turn the projection lens to focus the image.
•Make sure the projection screen is at least 5 feet (1.5 m) from 
the projector.
•Check the projection lens to see if it needs cleaning.
Problem: Image and menus are reversed left to right
•Rear projection mode is probably turned on. Turn Rear Projec-
tion off in the Controls menu. The image should immediately 
return to forward projection. See “Rear Projection” on 
page 24.
Problem: the projector displays vertical lines,...

36
Maintenance & Troubleshooting
Problem: Projected colors don’t match the computer or video 
player’s colors
•Just as there are differences in the displays of different moni-
tors, there are often differences between the computer image 
and the projected image. Adjust the brightness, tint and/or 
contrast from the Display menu. See “Brightness” on page 18, 
“Tint” on page 18 and “Contrast” on page 18. 
Problem: Lamp seems to be getting dimmer
•The lamp begins to lose brightness when it has been in use...

37
APPENDIX
Specifications
The projector must be operated and stored within the tempera-
ture and humidity ranges specified. 
Te m p e r a t u r e
Operating
50 to 104
° F (10 to 40° C)
Non-operating
-4 to 158
° F (-20 to 70° C)
Humidity
Operating and non-oper. 5% to 95% relative humidity, non-condensing
Dimensions
4.0 x 9.3 x 11.8 inches (10.3 x 23.8 x 30.3 cm)
We i g h t
6.8 lbs. (3.1 kg) unpacked
Altitude
Operating 0 to 10,000 feet (3,048 meters)
Non-operating 0 to 40,000 feet (12,192 meters)
Optics...

38
Appendix
Video Audio Input
Input Impedance 5K ohm DC coupled
Maximum Input Voltage (L
IN + RIN)PEAK < 4.5 V for THD £
 0.3%
L
IN or RIN < 2.0 Vrms for THD £
 0.3%
Sensitivity 100 mV at 1 KHz for 88 dB SPL at 1 meter
Connector Type RCA jack
Computer Audio Input
Input Impedance 10K ohm nominal, AC coupled
Maximum Input Voltage (L
IN + RIN)PEAK < 4.5 V for THD £
 0.3%
L
IN or RIN < 2.0 Vrms for THD £
 0.3%
Sensitivity 100 mV at 1 KHz for 88 dB SPL at 1 meter
Connector Type 3.5 mm (1/8 inch) stereo phone...

39
Accessories
NOTE: Use only Boxlight-
approved accessories. Other prod-
ucts have not been tested with the 
projector. Power Cords (one ships with projector, type depends on country)Standard Accessories 
(ship with the projector)
Quick Start card
User’s Guide
Soft Case
Shipping Box
CablePro Lite computer cable 6.5 ft (2 m)
Audio Cable 6 ft (1.8 m)
Projection Lamp Module
Lens Cap
Audio/Video Cable
North American Power Cord
Australian Power Cord
UK Power Cord
European Power Cord
Danish Power Cord
Swiss...

40
Appendix
Optional Accessories
Deluxe Soft Case
ATA  Tr a v e l  C a s e
Executive Leather Case
Deluxe Travel Case
Macintosh adaptor
CablePro 3
CablePro 2
CablePro Extension Cable, non-plenum 
rated, 60.7 ft (18.5 m)
CablePro Extension Cable, plenum-rated, 
60.7 ft (18.5m)
CablePro 2 Installation Extension Cable, 70.5 
ft (21.5 m) (CablePro 2 only)
Executive Remote Plus
Full-Feature Laser Pro Remote Control
Remote Cable, 50 ft (15 m)
RF Remote
2-Button Executive Remote
Remote Receiver
Ceiling...

41
Portable and Laptop Activation Chart
Many laptop computers do not automatically turn on their exter-
nal video port when a secondary display device such as a projec-
tor is connected. Activation commands for some laptop 
computers are listed in the following table. (If your computer is 
not listed or the given command does not work, refer to the com-
puter ’s documentation for the appropriate command.) On some 
laptops, the activation function key is labeled with an icon, for 
example   or the text...

42
Appendix
Austin Ctrl-Alt-comma Ctrl-Alt-comma
Award FN-F6 FN-F6
BCC* automatic reboot computer
Bondwell LCD or CRT options after 
bootupreboot for LCD or CRT 
options to appear
Chaplet** setup screen setup screen
FN-F6 FN-F6
FN-F4 FN-F4
Chembook FN-F6 FN-F6
Commax Ctrl-Alt-#6 Ctrl-Alt-#5
Compaq* ** Ctrl-Alt-< Ctrl-Alt->
FN-F4 FN-F4
automatic automatic
mode/? (for setup option) mode/? (for setup option)
Compuadd* ** automatic automatic
Alt-F for screen setup 
optionAlt-F for screen setup 
option
Data...

43
Everex* setup screen option setup screen option
For-A Ctrl-Alt-Shift-C Ctrl-Shift-Alt-L
Fujitsu FN-F10
Gateway FN-F3
FN-F1/FN-F1 again simul-
taneousFN-F3
FN-F1
Grid* ** FN-F2, choose auto or 
simultaneousFN-F2
Ctrl-Alt-Tab Ctrl-Alt-Tab
Hitachi FN-F7 FN-F7
Honeywell FN-F10 FN-F10
Hyundai setup screen option setup screen option
IBM 970* automatic warm reboot
IBM ThinkPad** reboot, enter setup menu FN-F2
FN-F7, select choice from 
setup menu
FN-F1, select choice
FN-F5, select choice
PS/2 SC select...