Boxlight Cd 726c User Manual

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Red Gain Adjusts the red color level. 
•PressÅ to reduce the red color 
level. 
•PressÆ to increase the red color 
level. 
(*) 
Green Gain Adjusts the green color 
level. •PressÅto reduce the green color 
level. 
•PressÆ to increase the green 
color level. 
(*) 
Blue Gain Adjusts the blue color 
level. •PressÅ to reduce the blue color 
level. 
•PressÆto increase the blue color 
level. 
(*) 
Color temperatureAdjusts the red or blue tint 
of the image. •PressÅ to reduce the color 
temperature, and make the 
image appear warmer (more 
red).  
•PressÆ to increase the color 
temperature, and make the 
image appear cooler (more 
blue). 
(*)  
 
* Press “Auto” to return to previous setting. 
  
						

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7.5 Audio 
 
 
 
Submenu options Description or operation method 
Volume •PressÅ to decrease the volume. 
•PressÆ to increase the volume. 
(*) 
Balance •PressÅ to decrease the volume of the left speaker. 
•PressÆ to increase the volume of the right speaker. 
(*) 
Treble •PressÅ to decrease the treble 
•PressÆ to increase the treble. 
(*)
 
Bass •PressÅ to weaken the bass.   
•PressÆ to enhance the bass. 
(*) 
Mute •Choose “Yes” to mute. 
* Press “Auto” button to return to previous setting.  
						

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7.6 Management 
 
 
 
Submenu 
options Description Operation method 
OSD location Adjusts the position of the OSD 
within the image. •PressÅ Æ to select (*). 
Projection 
  (Projector in front of the screen) 
Default 
 (Projector  behind the screen)  
Flips the display image so it 
can be viewed correctly when 
the projector is set up for rear 
screen projection.
  
  (Projector ceiling-mounted) 
Flips the display image so it 
can be viewed correctly when 
the projector is 
ceiling-mounted. •PressÅ Æ to select (*). 
User Menu There are two types of functions , 
Advanced and Normal, for users to 
choose. •PressÅ Æ to select (*). 
 
  
						

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Lamp Reset Resets the lamp timer. 
• Press right, and the “Press 
Auto/Enter button, reset 
the lamp timer” message 
will be displayed, press 
“Auto/Enter” to reset the 
timer. Press “Menu” or 
“Esc” on the remote 
control to exit without 
resetting the timer. 
Auto Adjust Automatically adjusts the display 
settings to the ideal settings for the 
display source. •Select Yes, and the 
brightness and contrast 
value will be adjusted 
automatically each time you 
press “Auto” button. 
•Select No, the brightness and 
contrast value is fixed and 
unchanged. 
Reset All Returns all settings to the factory 
defaults. •Press right button. 
Source type Switches between available video 
input sources. •PressÅ Æ button to choose. 
* Press “Auto” to return to previous setting.  
 
7.7 Language  
Changes the language of the OSD menu. Choose between English, German, French, 
Italian, Spanish, Portuguese, Japanese, Traditional, Chinese, and Simple Chinese. 
 
  
						

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8. Maintenance and service  Change the lamp module immediately when the lamp life reaches 1500 hrs to 
maintain the best projection image. 
 
 
8.1 Replacing the lamp module 
 
When the lamp is within 30 hours of maximum lamp life, the projector will display 
the “Lamp has reached its end of life! Lamp replacement is suggested!” warning. 
When this message appears, change the lamp. 
 
To replace the lamp module: 
1. Turn off the projector and wait for the fan to stop.   
2. Turn off the main power switch, and disconnect the power cord and all cables.   
3. Let the projector lamp cool down completely (approximately 30 minutes). 
4. Use a screwdriver to loosen the screws of lamp door and lamp module. 
5. Take out the lamp module. 
6. Gently insert the new lamp module into the lamp bay, replace the lamp module 
retaining screws. 
7. Replace the lamp door, and tighten the door screw. 
8. Reset the lamp timer using the Lamp Reset function in the Management menu. 
 
 
 
Use a screwdriver to loosen the lamp door, 
and press down the lock to remove the door.Remove the three lamp module 
retaining screws, unsnap the 
lamp removal handle to change 
the lam
p module. 
						

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8.2 Cleaning the projector lens   
 
Follow this procedure to clean the projector lens: 
1. Use a small amount of cleaner on a clean soft cloth. Do not use abrasive cleaners, 
solvents, or other chemicals, they may cause damage to the projector lens. 
2. After cleaning and while the projector is not being used, place the lens cap on 
the lens to protect the lens.    
						

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9. Appendix 
 
9.1 Common problems and solutions 
When you encounter problems while using the projector, refer to the following 
troubleshooting tips: 
If you are unable to correct the problem, contact your dealer or Boxlight Technical 
Support.  
 
█ No image on the screen 
 
ÖMake sure that all components are connected correctly.   
ÖMake sure the power cord is not damaged. 
ÖMake sure the main switch of the projector is turned on. 
ÖEnsure the lamp is securely installed. 
ÖMake sure the lens cap is removed. 
 
█ The screen resolution is not right
 
 
Ö Make sure the computer resolution is not set higher than 1280 X 1024.
 
 
█ Display image is instable or flashing   
 
ÖPress the “Auto” button on the remote control or the Auto/Enter button on the 
projector. 
ÖAdjust the “Phase” setting in the “Display” menu.   
ÖChange the color setting of on your computer. 
 
█ Image has vertical flashing stripes or bars.   
 
ÖPress the “Auto” button on the remote control or the Auto/Enter button on the 
projector.  
Ö Adjust the “Frequency” setting in the “Display” menu. 
ÖCheck the display mode of your display . 
 
█ The image is blurry   
 
ÖAdjust the focus ring on the projector. 
ÖMake sure the projection screen is 1.4 ~12 meters (3.9 ~ 39 ft) from the 
projector.  
						

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█ Projected colors don’t match the computer or video player’s colors   
 
ÖThis is a normal phenomenon; adjust the brightness, color or contrast value in 
the menu. 
 
█ When the projector is connected to a DVD player, and the film aspect ratio is 
16:9, the display image is distorted. 
 
ÖAdjust the image proportion of projector into 4:3. 
 
█ Image is reversed 
 
ÖOpen the Menu, and then choose “Projection setting” option to adjust the 
projection method. 
 
█ Lamp is burned or cracking sound happens. 
 
ÖWhen the lamp has reached its end of life, it may burn out and shatter.    Contact 
your dealer or Boxlight to buy a replacement lamp module. 
 
  
						

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9.2 The distance proportion between screen and projector 
(Based on Zoom Ratio 1.18:1, for reference only) 
 
 
 
 
 
Projection distance  1.45M 2M  4M  6M  12M 
Minimum diagonal screen 
size  30” 40” 80” 120” 240” 
Maximum diagonal screen 
size  35” 47” 94” 141” 283” 
 
 
 
 
 
  
						

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9.3 Specifications 
 
    
 
* These specifications are subject to change without notice. 
 
 
This device complies with Part 15 of the FCC Rules. Operation is subject to the 
following two conditions: (1) the device may not cause harmful interference, and 
(2) this device must accept any interference received, including interference that 
may cause undesired operation.   
Resolution XGA(1024*768), SXGA(1280*1024) compressed 
Lamp 250W User Replaceable VIP Lamp 
Dimensions 330 x 276 x 104 mm 
We i g h t  7.5 lbs 
Projection distance 1.4m〜12m (3.9 ~ 39 ft) 
Ratio of projection 
ddi t
1.34:1〜  1.6:1 (Distance: Diagonal) 
Zoom ratio 1.2:1 (Manual Zoom/Focus) 
Uniformity 80% 
Screen proportion 4:3 / 16:9 screen selectable 
Contrast ratio 1800：1 
H. Frequency 31.5 〜 80 kHz 
V. Scan rate 56 〜 85 Hz 
Video compatibility NTSC / PAL /SECAM 
HDTV compatibility 480p/720p/1080i 
Power supply 90 to 240 VAC, 50 to 60 Hz 
Power consumption 350W 
IO port DVI, USB Mouse, RGB In(D-Sub 15 pin), RGB 
Out(D-Sub 15 pin), Component Video, S-Video Mini 
DIN 4 pin, Audio: RCA Jack, 3.5mm Mini Jack,
Composite Video(RCA Jack), PC Audio In, PC Audio
Out, 2 watt speaker