Boxlight Cd-725c Users Guide

							Operation
17 BOXLIGHT CD-725c User’s Guide
3. Source Menu  
FUNCTIONDESCRIPTION
Mirror 
SourceSelects the input source from among PC, Video, S-Video, and YP
BPR.
VolumeAdjusts the volume level.
TrebleAdjusts the treble level. 
BassAdjusts the bass level.
Mute
1. Default   2. Ceiling 
mounted projection 
3. Rear screen projection4. Ceiling    
mounted and rear- 
screen projection
OffOn 
						

							Operation 18BOXLIGHT CD-725c User’s Guide
4. Control Menu
FUNCTIONDESCRIPTION
LanguageLanguage sets the language for the OSD control menus.
Use the 3 / 4 key to select the desired language from 
among English, French, German, Italian, Spanish, Korean, Sim-
plified Chinese and Traditional Chinese. 
OSDOSD Pos.
Selects a desired OSD position.
OSD Time
Sets the length of time the OSD will remain active after the last 
time you pressed the  button. The range is from 5 to 60 sec-
onds in 5-second increments.
SetupSource scan
When selected, activates the Source scan function.
Keystone hold
When selected, preserves the last keystone correction value 
even when the projector is restarted.
Mirror hold
When selected, preserves the last mirror correction value even 
when the projector is restarted.
Blank time
Determines the length of time before the projector is shut off 
when Blank is activated. 
Auto off
Sets the length of time before the system is shut off when no 
input is detected.
User logo
Enables the user to define the logo screen that will display dur-
ing start-up. Three modes are available: Default (BOXLIGHT 
logo), black screen and blue screen.
DefaultReturns all settings to their factory preset values.
Video ModeSelects video mode. 
Lamp hourShows lamp usage time. 
						

							Operation
19 BOXLIGHT CD-725c User’s Guide
5. PIP Menu
These functions are available only when the input mode is PC and the PIP source is 
Video or S-Video.  
FUNCTIONDESCRIPTION
PIP SourceSelects the source for the PIP.
PIP SizeEnables use of the 3 / 4 key to scroll through the four alter-
natives: Off, Small, Medium, Large. 
PIP PositionSelects a desired position for the PIP.  
H. PositionAdjusts the horizontal position of the PIP image. 
V. PositionAdjusts the vertical position of the PIP image.
More OptionsEnables use of the 3 / 4 key to select more PIP functions 
including Brightness, Contrast, Color, Tint, Sharpness and Sys-
tem. 
BrightnessAdjusts the brightness of the PIP image.
ContrastAdjusts the degree of difference between dark and light for the 
PIP image. 
ColorIncreases or decreases the color range (R, G, B) of the image.
TintAdjusts the image to make it appear more red or blue.
SharpnessAdjusts the image to make it appear sharper or softer
SystemSelects PIP image systems: Auto, NTSC, PAL, SECAM
PIP-Source PIP-Pos PIP-SizePIP image
PIP-Source PIP-Pos
PIP-SizePIP imagePIP image 
						

							Operation 20BOXLIGHT CD-725c User’s Guide
Shutdown
1. Press POWER and a warning message will appear. To turn off the projector, 
press POWER again.
2. The fan will continue to run for approximately two minutes.
3. Turn off the main power switch.
4. Disconnect the power cord from the wall socket.
Caution
Please do not unplug the power cord before POWER is shut down or 
during the two-minute cooling process.
If the projector is not properly shut down, to protect the lamp, the sys-
tem will detect this and cool the lamp for two minutes automatically 
before turning on again.
I
Projector
Remote Control 
						

							Maintenance
21 BOXLIGHT CD-725c User’s Guide
MAINTENANCE
Lamp Information 
Use and Replacement of the Lamp
When the Lamp Indicator lights up red or a message appears suggesting the time of lamp 
replacement, please install a new lamp or consult your dealer. An old lamp could cause a 
malfunction in the projector and in rare instances may even explode.
Lamp LED Indicators    
Caution
The LAMP indicator will light up if the lamp becomes too hot. Turn off the 
power and let the projector cool for 45 minutes. If the LAMP indicator is still 
red when turning the power on, please contact BOXLIGHT Technical Sup-
port at 1-800-762-5757 or +1-360-779-7901.Lamp Life IndicatorsWhen the LED lights up red, it is warning you that lamp 
usage has exceeded 1500 hours. Replace the projection 
lamp with a new one immediately.
The Lamp is not 
properly attachedLED lights up red.
The temperature is too 
high When the projector’s internal temperature is too high for 
the projector to operate safely, the LED blinks orange and 
the lamp turns off automatically. The LED keeps blinking 
while the unit is off.
If the LED light is off, the operation and temperature of the 
projector’s lamp are normal. 
						

							Maintenance 22BOXLIGHT CD-725c User’s Guide
Lamp Replacement
Caution
To reduce the risk of electrical shock, always turn off the projector and dis-
connect the power cord before changing the lamp.   
1. Press the POWER button to switch
off the projector. Disconnect the
power cord from the outlet and the
projector.
2. Loosen the screw and remove the
lamp cover. If the lamp is hot, avoid
burns by waiting 45 minutes until the
lamp has cooled.
3. Loosen the 3 screws. (It is strongly
recommended that you use a
magnetic-head screwdriver.) Pull the
handle to remove the lamp housing. If
the screws are not loosened
completely, they could injure your
fingers. Do not insert your hand into
the box after the lamp is removed. If
you touch the optical components
inside, this could cause color
unevenness in projected images.
4. Replace the lamp with a new one.
Insert it into the projector, and
tighten the screws firmly. Loose
screws may cause a bad connection,
which may result in malfunction.
5. Re-install the lamp cover and tighten
the screw. Do not turn on the
power with the lamp cover
removed. Whenever the lamp is
replaced, reset the total lamp
operation time. Do not reset if the
lamp is not replaced as this could
cause damage.     Step 1
     Step 4
Step 2
Step 3 
						

							Maintenance
23 BOXLIGHT CD-725c User’s Guide
Caution
To reduce the risk of severe burns, allow the projector to cool for at least 45 
minutes before replacing the lamp.
To reduce the risk of injuries to fingers and damage to internal components, 
use caution when removing lamp glass that has shattered into sharp pieces.
To reduce the risk of injuries to fingers and/or compromising image quality 
by touching the lens, do not touch the empty lamp compartment when the 
lamp is removed.
This lamp contains mercury. Consult your local hazardous waste regulations 
to dispose of this lamp in a proper manner.
Resetting Lamp Hours
If you replace the lamp after 1500 hours of operation, please follow the instructions 
below within 10 minutes of powering on.   
Temp Information
When the LED lights up, it is warning you of the following possible problems:
1. The internal temperature is too high.
2. The fans are not working.
Turn off the projector and contact qualified service personnel for further help.
OSD FUNCTION
Press the Exit button on the projector for 
3 seconds to display the total used lamp 
time.
 Press the MENU button on the 
projector during the lamp hour 
message. An adjustment message will 
appear.
 Press W or X to reset lamp hours or 
press EXIT to leave. 
						

							Maintenance 24BOXLIGHT CD-725c User’s Guide
Service Information
Accessories (included in the Standard Package)
Optional Accessories (not included in the Standard Package)    
Ordering Parts or Getting Information
For product information, product assistance, service information, or to order 
accessories, please contact BOXLIGHT corporation at 1-800-762-5757 or +1-360-
779-7901 or visit the web site at www.boxlight.com
. Power cord (EU)
Power cord (US)
Power cord (UK)
Signal cable
Video cable
S-Video cable
PC - PC audio cable 
Soft carrying case
HDTV cable
USB mouse cable
Remote control
3-2 converter
Description of parts 
Mac adapter (switchable) 
210W lamp module  
						

							Troubleshooting
25 BOXLIGHT CD-725c User’s Guide
TROUBLESHOOTING
Common Problems & Solutions
PROBLEMS TRY THESE SOLUTIONS
NO POWER Make sure the power cord is inserted snuged into the AC adapter 
socket.
 Make sure the power cord is inserted snuged into the power 
outlet.
 Toggle the power switch to the position “1”.
 Wait two minutes after the projector is turned off before turning 
the projector back on.
NO PICTURE Check for the proper input source.
 Ensure all cables are connected properly.
 Adjust the brightness and contrast. 
 Remove the lens cap.
TRAPEZOID 
IMAGE ON 
THE SCREEN Reposition the unit to improve its angle on the screen.
Use the Keystone correction key on the control panel of the 
projector or the remote control unit.
POOR COLOR Select the correct video system.
 Adjust brightness, contrast, or saturation.
BLURRED 
IMAGE Press Auto on the control panel of the projector or the remote 
control unit to get better picture quality.
 Adjust the focus. 
 Reposition the unit to improve its projection angle.
 Ensure the distance between the unit and screen is within the 
adjustment range of the lens.
REMOTE 
CONTROL 
DOES NOT 
WORK Replace the batteries with new ones.
 Make sure there is no obstacle between the remote control and 
the projector.
 Stand within 4 meters (13 feet) of the projector.
 Make sure nothing is blocking the front and rear receivers. 
						

							Troubleshooting 26BOXLIGHT CD-725c User’s Guide
 Status Messages      
On-Screen Messages  Description
SEARCHINGProjector is searching for input.
ACQUIRING SIGNALProjector has identif ied the input signal and is running the 
auto image adjustment function.
OUT OF RANGEInput signal frequency exceeds the projector’s range.
LAMP WARNING - 
CHANGE LAMP AND 
RESET LAMP TIMER! The lamp has been in operation for 1400 hours. Install a 
new lamp for optimal performance.
OUT OF LAMP USAGE 
TIME. CHANGE THE 
LAMP!The lamp has been in operation for 1480 hours, and the 
power will turn off after 20 hours.
OUT OF LAMP USAGE 
TIME. YOU HAVE TO 
CHANGE THE LAMP!The lamp has been in operation for over 1500 hours. The 
warning message will display for 30 seconds every 5 min-
utes after you turn on the projector and the power will 
turn off automatically after 10 minutes.