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....

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...

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...

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...

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...

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...

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...

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.
...

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...