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

2

3 4

56

6

5

4

12

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

X1.5

X2.0

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'+?

CPT-380 RS-232 Remote Control Protocol

10

CPT-380 transmits codes to Remote Controller when CPT-380 operating.

Code Comment

'PW'+0

POWER

power off

'PW'+1

power on

'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

'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

'VR'+value

VERSIONCPT-380 firmware version

Meicheng

®

MEI CHENG AUDIO VIDEO CO., LTD

Address: 5F., NO.111, SEC. 2, HUAN HO N. RD., TAIPEI, 10376 TAIWAN

Tel: [phone], Fax: [phone]
Website: www.meicheng.com.tw Email: [e-mail]