Boxlight Cd 726c User Manual

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1. VGA In/Out port 
2. USB In port 
3. S-Video In port 
4.  Composite Video port 
5.  PC Audio In/Out In port
6.   DVI-D In port
 
6. Operation guide 
 
6.1 Connecting components 
You can connect the projector to a computer, DVD player, VCR, or other video 
source. To connect the projector to a DVD player or VCR, go to “Connecting to a 
Video Source” on page 12. 
 
 
 
 
 
  
						

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6.2 Connecting the projector to a computer 
 
1)  Plug the VGA cable into the VGA port at the left side of projector then plug 
the other end of VGA cable into the computer. 
 
Note: If you are connecting to a notebook, you may need to make adjustments to 
the notebook’s display settings first. Please refer to the user’s guide that 
came with your notebook.
 
 
2) If you want to use the remote control as a mouse, plug the USB cable into the 
USB port at the left side of projector, then plug the other end into the computer. 
3) If your presentation contains audio, plug the PC Audio in/out cable into the 
Audio In port at the left side of projector, then plug the other end into the 
computer. 
4) Turn on the projector first, then the computer.   
 
6.3 Connecting the projector to a Video Source 
 
If you are using a composite video source, refer to the following:   
1) Plug the yellow, red, and white RCA connectors separately into the 
appropriately colored port at the left side of projector.   
2) Plug the yellow, red, and white connectors on the other end into the 
corresponding ports on the Video Source. 
 
If you are using an S-video source, refer to the following:  
1) Plug the S-Video cable connector into the S-Video port at the left side of 
projector then plug the other end into the Video Source. 
2) Plug the red and white connectors from the composite video cable into the 
corresponding ports at the left side of projector, then plug the other end into the 
corresponding ports on the Video Source.
  
 
Note: When you are using the S-Video cable along with the A/V cable, do not plug in 
the A/V cable’s yellow connector
. 
 
 
 
  
						

							                         13 After you have connected all of the components to the projector, you are ready to 
begin using the projector. 
 
6.4 Turning on the projector: 
1) Remove the lens cap. 
2) Ensure the cable connectors are connected properly. 
3) Plug in the power cord, set the main switch (located above the power cord 
socket) to “1”. The Power LED blinks steadily and slowly. 
4) Press the “Power” button on the remote control or control panel to turn on the 
projector, the Power LED lights steady blue and the Lamp LED lights steady 
green. 
5) A 30 second countdown will be displayed, after the countdown the projector will 
automatically detect and display the input source.    Press the Power button 
one time to bypass the 30 second warm up period. 
6) If the screen displays “No signal”, ensure the proper source is selected and the 
cables are properly connected. 
7) To ensure the best possible image performance, press “AUTO/ENTER” after the 
source is displayed.
  
 
Note: If you try to turn on the projector when the internal temperature is too high, 
the Lamp LED will blink rapidly and the projector will automatically enter 
cool down mode for 8 seconds. During the cool down sequence, the 
projector will not light the lamp or respond to remote control or control 
panel inputs.
 
 
 
6.5 Basic image adjustment 
 
1) Power up your equipment in the right order and point the projector at the screen.   
2) Rotate the zoom ring to adjust the image size. 
3) Rotate the focus ring to adjust the image focus. 
4) Use the tilt foot to adjust the image height. 
5) Use the control panel or remote control to adjust the horizontal and vertical 
position of the image or to adjust the keystone correction.   
6) Use the OSD menu to adjust the brightness, contrast and color of the image.   
 
 
  
						

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6.6 Turning off the projector  
1)  Press Power and the “Press Power again to turn off the lamp!” message 
appears.  
2)  Press “Power” again to turn off the projector (the message will disappear 
automatically after 5 sec if the power button is not pressed again). 
3)  The lamp turns off and the Power LED indicator blinks rapidly. The fans 
continue to run for 60 seconds to cool down the projection lamp. During this 
cool down sequence the projector will not respond to any user input. 
4)  When the fans stop and the Power LED starts flashing slowly, you can either 
turn the projector back on or set the power switch to “o” and disconnect the 
power cord.   
 
Note: To extend the lamp life-span, please do not unplug the power cord 
immediately after the lamp is turned off. Please allow at least 120 sec for 
the fan to stop, and then you can unplug the power cord.
 
 
 
6.7 Adjusting the projected image height.  
  
To adjust the angle of the projector 
 
To raise the projector 
1.  Press and hold the Adjustor-foot release button. 
2.  Raise the projector to the height you want, then release the button to lock the 
foot into position. 
Adjustor-foot release button
 
Adjustor-foot 
						

							                         15 To lower the projector
 
1.  Press and hold the Adjustor-foot release button. 
2.  Lower the projector to the height you want, then release the button to lock the 
foot into position. 
 
6.8 Adjusting the image focus and zoom   
 
 
 
 
 
 
Adjust the zoom ring to enlarge or reduce the image size. Rotate counterclockwise 
to enlarge the image. Rotate clockwise to reduce the image. To adjust the focus, 
rotate the focus ring to obtain the best focus. The focus distance of this projector is 
1.4~12 meter(3.9~39ft). 
Zoom W heel 
Focus ring 
						

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7. OSD Menu 
Press “Menu” to open the menu. Press up or down to choose the OSD options or 
press Esc to exit. To enter a submenu, press “Auto/Enter” or the right mouse button. 
Under the submenu, press “Menu” or Esc on the remote control to return to the 
main Menu screen or double click to exit the OSD menu. 
7.1 Image (Computer mode) 
  
Submenu 
options Description Operation method 
Brightness 
(**) Adjusts the overall brightness of 
the image 
 •PressÅto reduce the brightness of the image. 
•PressÆ to increase the brightness of the image.
(*) 
Contrast Adjusts the contrast of the 
image. •PressÅto reduce the contrast of the image. 
•PressÆ to increase the contrast of the image. 
(*) 
Keystone Corrects an image that is wider 
at the top or at the bottom. •PressÅ to correct an image that is wider at the 
bottom. 
•PressÆ to correct an image that is wider at the 
top. 
(*) 
Zoom Enlarges or reduces a portion of 
the image. •PressÅ to reduce the zoom. 
•PressÆ to enlarge the zoom. 
(*) 
¾ Please press Auto/Enter button to enter zoom 
mode. 
Inthis mode, pressÅÆ to move the image, 
press Pg Up and Pg Dn on the remote control to 
adjust the image size. 
* Press “Auto” button to return to previous setting value. 
**If the source is switched to HDTV/DVD 480P, “Brightness” becomes “Tint” which 
adjusts the balance between red and blue in the image.  
						

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7.2 Image (Video mode) 
 
User Menu – Normal 
 
 
 
User Menu –Advanced 
 
 
Note: Advanced and Normal functions are set up in Management/User Menu (p.23). 
 
Submenu 
options Description Operation method 
Brightness Adjusts the overall brightness of 
the image 
 
•PressÅto reduce the brightness of the image. 
•PressÆ to increase the brightness of the image. 
(*)
 
Contrast Adjusts the contrast of the image.
•PressÅto reduce the contrast of the image. 
•PressÆ to increase the contrast of the image. 
(*)
 
Hue Adjusts the balance between 
red and green in the image. •PressÅ to increase the amount of green. 
•PressÆ to increase the amount of red. 
(*) 
Saturation Changes the image from black 
and white to color. •PressÅ to reduce the color saturation. 
•PressÆ to increase the color saturation level. 
(*) 
Sharpness Adjusts the sharpness of the 
image. •PressÅto make the image softer. 
•PressÆto make the image sharper. 
(*) 
* Press “Auto” to return the setting to the previous value.  
						

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7.3 Display (Computer mode) 
 
User Menu – Normal 
 
 
User Menu – Advanced 
 
 
Submenu options  Description Operation method 
Frequency Minimizes vertical bars or 
stripes visible on the screen 
background. •PressÅ Æ to adjust (*). 
 
Phase Removes horizontal 
distortion and clears or 
sharpens characters. •Press Å Æ to adjust(*). 
V position Adjusts the display image 
position up and down. •PressÅ to move the image down. 
•PressÆ to move the image up. 
(*)  
						

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H position 
Adjusts the image position 
left and right. •PressÅto move the image to the 
left. 
•PressÆto move the image to the 
right. 
(*) 
Proportion Switches between 4:3 and 
16:9 screen ratio. •Press Å Æ to choose. 
User Color Activates individual red, 
green, or blue color 
correction controls. •Choose Yes, and the user red, 
user green, and user blue 
adjustments are displayed. 
•Choose No the user adjustments 
are hidden.   
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. 
•PressÆ to 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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7.4 Display (Video mode) 
 
User Menu – Normal 
 
 
 
User Menu –Advanced 
 
 
 
Submenu options Description Operation method 
Keystone Corrects an image that is 
wider at the top or at the 
bottom. •PressÅ to correct an image that 
is wider at the bottom than the 
top. 
 
•PressÆ to correct an image that 
is wider at the top than the 
bottom. 
 
(*) 
Proportion Switches between 4:3 and 
16:9 screen ratios. •Press Å Æ to change. 
User Color Activates individual red, 
green, or blue color 
correction controls. •Choose Yes, and the user red, 
user green, and user blue 
adjustments are displayed. 
•Choose No, the user adjustments 
are hidden.