Meicheng CPT-380 User manual

CPT-380
PC to Video Converter
USER MANUAL
www.meicheng.com.tw

Applications
The CPT-380 PC to Video scan converter is designed to convert a variety
of computer images,from 640x480 up to 1600x1200, to interlaced
NTSC or PAL video. It is ideal for use in applications like video conference,
home theater,business presentation,lecturing room or viewing PC image on TV.
Features
1. Automatically detects and down converts the incoming PC images to
NTSC or PAL.
2. Support high resolution PC input up to UXGA(1600x1200@60Hz).
3. Output video image is available in NTSC or PAL.
4. Support high input refresh rate up to 140Hz(VGA).
5. Adjustable image scaling.
6. Pan, Position, and Zoom.
7. Advance 2-D flicker filter ensures filcker-free picture.
8. Adjustable contrast, brightness, color, sharpness.
9. Last memory.
10. Adjustment and control through RS-232 interface.
11. Useful functions-high brite, overscan, freeze, test pattern, magnifier.
12. Remote control.
13. OSD operation display.
14. Wide/Standard screen.
1

1. Standby/On indicator: The indicator illuminates in red when it is in Standby mode,
illuminates in green when it is in ON mode.
2. Power button: Push the button to turn power ON or Standby.
3. Remote control sensor.
4. Button: Under zoom mode push the button to adjust the picture leftward.
5. Button: Under zoom mode push the button to adjust the picture rightward.
6. Button: Under zoom mode push the button to adjust the picture downward.
7. Button: Under zoom mode push the button to adjust the picture upward.
8. Zoom button: Push the button to zoom in or zoom out of a picture.
9. Overscan button: Push the button to overscan/underscan the picture.
Operation Controls and Functions
Front Panel
Rear Panel
p
p
OVERSCANZOOM
POWER
STANDBY
/ON
q
q
t
t
u
u
CPT-380 PC to TV Converter
1
23 4 56
65412
7 8 9
3
RS-232
S-VIDEO C-VIDEO
PC-OUT
PC- IN
DC12V
800mA
OUTPUT
1. DC power supply 12V 800mA.
2. PC input VGA connector.
3. PC loop-through output connector.
4. Composite video out
RCA connector.
5. S-video out connector.
6. RS-232 DB-9 connector.
2

Operation Controls and Functions
678
1
2
9
10
3
16
4
5
Remote controls and Functions
11
12
13
14
15
1. Power: Power ON/Off.
2. Video setting adjustments for picture contrast, bright,
color and sharpness.
3. V-Reset: Press the button to reset picture adjustment 2
to factory default vaule.
4. NTSC/PAL: Press the button to select NTSC or PAL
as video output.
5. Color bar pattern ON/Off:
Press the button to show color bar pattern on the
screen when there is no PC input. Pres again to
close color bar.
6. Image freeze ON/Off: Press the button to freeze/
unfreeze an image.
7. Hi-bright ON/Off: Press the button to show enhanced
brightness picture.
8. Under/Over Scan: Press the button to choose a
underscan image or overscan image.
9. 9-blocks selection(Zoom): Under zoom mode
press one of the buttons to select its corresponding
sub-area which is 1/9 of the full screen.
10. Zoom ON/Off: Press the button to zoom in an picture,
press again to zoom out.
11. Horizontal/Vertical adjust knob:
_ Adjust the size or position of a image when it is under Zoom, Pan/Position,
or Size/EXP mode.
- Adjust setting value of picture adjustment in 2 .
12. Default: Press the button to revert the following parameters to factory preset value:
- Zoom
- Position
- Size
- Picture adjust
13. Pos/Pan: When a picture is in underscan mode, press the button to do position
adjustment. When a picture is in overscan mode,press the button to do
pan adjustment.
14. System reset: Press the button to revert all system parameters back to factory
preset value.
The system parameters are default as follows:
- Overscan
- NTSC output
- 4:3 aspect
- Normal brightness
- Video settings reset, position/ pan/size /expand reset.
15. Size/EXP: When a picture is in underscan mode, press the button to do size
adjustment. When a picture is in overscan mode, press the button to do
expand adjustment.
16. Aspect: Press the button to switch between standard 4:3 and
widescreen 16:9 aspect ratio.
3

RS-232 Software Operation
3
1 4
9 10 11
12
13
14
15
16
5 6 72
8
1. Power
2. Mode indicator
3. System reset
4. Zoom
5. Magnifier
6. Over/Under scan
7. Option
8. Position/Pan
9. Size/Expand
10. Hi-Brite
11. Freeze
12. Video settings
* Power: Power ON/Off.
* Mode indicator:
Grey icon:Virtual mode operation.
Colored icon: Real mode operation.
* System reset: Reset CPT-380 unit.
* Zoom: Drag and move (TV-screen) to the place where you want to see.
If the PC screen image is changed, then click(refresh).
TV screen
Reset
Refresh
Back to main panel
4
13. Close
14. Minimize
15. System tray
16. About
* PC OS: Windows 98/ME/2000/XP
* Software installation:
1. Place installation CD on CD-ROM drive.
2. Execute setup.exe on installation CD.
3. OS maybe requires to update some files.
Please re-start PC. After starting PC ready, execute setup. exe again.
4. Click taskbar menu (START)->(Programs)->(CPT-380PCI) to execute software.
* If RS-232 or CPT-380 is not ready then software enters virtual mode.
After RS-232 and CPT-380 connection being ready, start the software again
and enters real mode.
* Main Panel

RS-232 Software Operation
* Over/Under scan: TV overscan adjustments are "pan" and "expand" ; underscan
adjustments are "position" and "size".
* Option: TV system: NTSC or PAL output
Aspect pattern: 4:3 or widescreen.
Test pattern: Colorbar test pattern ON/Off.
Window ON Top: Application software window always on top ON/Off.
Output TV System
Image aspect
Colorbar pattern
Window on top Back to main
* System tray: Shrink application software to system tray click the icon and return to normal window.
CPT-380 On system tray
* Minimize: Shrink application software to window taskbar.
* About: Display application software version and firmware version.
Application
software version Firmware version
Back to main panel
5
X1.5X2.0
Small frame Refresh
Close
Big frame
* Magnifier: Drag and move magnifier to the place where you want to see.
If the screen image is changed, then click(refresh).

* Close: Terminate application software.
* Position/Pan and Size/Expand adjustments
Position/Size for underscan
Pan/Expand for overscan Position/Pan
Reset Size/Expand Back to main panel
RS-232 Software Operation
Connection and Installation
* High brite: High brite is useful for picture browsing and movie playing.
* Screen freeze: Still screen.
* Video settings: Contrast, Brightness, Color, Sharpness adjustment.
Reset
Back to main panel
RS-232
S-VIDEO C-VIDEO
PC-OUT
PC- IN
DC12V
800mA
OUTPUT
RS-232
control
port
LCD monitor
PC/Notebook
NTSC or PAL TV
6

* The connection between CPT-380 and remote controller
with RS-232 modem cable.
* RS-232 transmission format:
Baud Rate :9600 bps
Data Bit : 8 bits
Parity : None 
Stop Bit : 1 bit 
CPT-380 RS-232 Remote Control Protocol
9 NC 
8

* Command / Response codes of RS-232 transmission:
" The command / response codes are the combination of 3 bytes. the 1st,
2nd byte are text and the 3rd byte is value."
CPT-380 RS-232 Remote Control Protocol
Remote Controller Command Codes to CPT-380
Code Comment
ALL
'AL'+1
9
'PW'+0 POWER power off
power on
'PW'+1
'NP'+0 N/P NTSC output
'NP'+1 PAL output
'FZ'+0 FREEZE freeze image off
'FZ'+1 freeze image on
'OV'+0 OVERSCAN underscan
'OV'+1 overscan
'ZM'+0 ZOOM zoom off
'ZM'+1 zoom on
'MU'+0 move UP move UP button release
'MU'+1 move UP button press
'MD'+0 move DOWN move DOWN button release
'MD'+1 move DOWN button press
'ML'+0 move LEFT move LEFT button release
'ML'+1 move LEFT button press
'MR'+0 move RIGHT move RIGHT button release
'MR'+1 move RIGHT button press
'SU'+0 size UP shorter height image button release
'SU'+1 shorter height button press
'SD'+0 size DOWN higher height image button release
'SD'+1 higher height image button press
'SL'+0 size LEFT narrower width image button release
'SL'+1 narrower width image button press
'SR'+0 size RIGHT wider width image button release
'SR'+1 wider width image button press
'RS'+0 RESET
system reset
'RS'+1 reset image location
'RS'+2 reset image size
'RS'+3 reset video settings
'TP'+0 PATTERN test pattern off
'TP'+1 test pattern on
'HB'+0 Hi Brite hi-brightness off
'HB'+1 hi-brightness on
'AR'+value zoom AREA 'AR'+1 ~ 'AR'+9 zoom area1 ~ area9
'AS'+0 ASPECT aspect is 4:3
'AS'+1 aspect is wide screen
'CO'+value CONTRAST v alue = 0 ~ 63
'BR'+value BRIGHTNESS v alue = 0 ~ 255
'SA'+value SATURATION v alue = 0 ~ 63
'FF'+value FLICKER value = 0 ~ 21
'VR'+1 VERSION require CPT -380 unit firmware version
retrive CPT-380 all status
retrive 'PW'+0 only when unit power off
'PW'+1'NP'+?
'OV'+?'AS'+?
'ZM'+?'CO'+?
'BR'+?'SA'+?
'SH'+?'FF'+?