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VGA to DVI-I 

Scaler Box

Operation Manual

CP-252

1. Features:

1. CP-252 is a high performance PC/HDTV two-way scaler that 

    accepts analog RGB input(VGA) and converters to DVI-I (d analog

    RGB) output.

2. The input to the CP-252 is analog PC or HDTV signal in the format either 

    RGBHV, YPbPr, or(YCbCr).

3. The output of the CP-252 is d analog PC or HDTV signal in the 

    format of digital RGBHV bitstream plus analog RGBHV, known as 

    DVI-I(Integrated digital and analog).

4. The input resolution is automatically detected while the output resolution 

    and refresh rate can be selected through OSD menu and front panel 

    push buttons.

5. 48 MB frame memory for frame rate conversion.

6. Output picture adjustment on brightness, contrast, color, RGB level, 

    and H-V position.

7. DVI output enables an all digital rendering of video without the losses 

    associated with an analog interface and is ideal for use with digital 

    display such as LCD, plasma and DLP projectors.

2. What's included:

The following items are included in the standard package.
1. VGA to DVI scaler box.

2. VGA cable x 1

3. YPbPr 3 RCA to VGA adaptor cable x 1

4. DVI cable x 1

5. AC power adaptor 5V/ 2A, center positive.

6. AC power cord.

1

5. Specifications

70/75 Hz

60 Hz

70/75 Hz

8

Digital

Input format: Analog RGBHV, YPbPr, YCbCr

Input signal:

RGBHV: 0.7 Vp-p, 75 ohm H/V: 3 to 5 Vp-p TTL

Y: 1 Vp-p 75 ohm Pb/Cb, Pr/Cr: 0.7 Vp-p 75 ohm

Input connector: HD-15 female VGA connector.

Output format: Digital RGBHV + Analog RGBHV or YPbPr (through DVI

to HD-15 adaptor)

Output signal: Digital data bitstream

Output connector: 29 pin DVI-I connector

Power: 5V 2A center-positive

3.Installation

3.1 Input connection:
The CP-252 can accept both PC and HDTV inputs. When accepting a PC

input use the 15-pin D-sub cable to connect the output of a PC device to

the input connector labled PC/HDTV on th back of CP-252.
When accepting a HDTV input use a 15-pin D-sub to YPbPr/3 RCA cable to

connect the YPbPr/output (or YCbCr) of a HDTV device to the PC/HDTV input

connector of the CP-252.
The CP-252 can automatically detect the mode and resolution of the 

PC/HDTV input.

3.2 Output connection:
The CP-252's can output a variety of PC resolution and HDTV progressive 
resolution, in both digital and analog format.
To use CP-252's digital output select DVI-D in the Output Setup of the menu,

and use DVI cable to connect the DVI output of the CP-252 to the DVI input 

of a display monitor, or HDTV device. See 3.3A
To use analog output of the CP-252, select DVI-A in the Output Setup of the

menu, and use the DVI to VGA adaptor to tranfer analog output into VGA

configuration, which can subsequently connect to the VGA input of a display 

monitor through a VGA cable when one of the PC resolution is selected as 

output; or connect to the YPbPr input of a HDTV device through a VGA to 

YPbPr/3RCA adaptor cable when one of the HDTV resolution is selected as 

output. See 3.3B 

Note:DVI to VGA adaptor is not included in the standard package, 

         and has to order separately.  

2

4.Configuration & Operation

4.2 Menu and Adjustments

The adjustment range and factory preset value as follows:

Contrast

Bright

Color

Red

Green

Blue

Range

Default

0~255

0~255

0~255

0~255

0~255

0~255

047

102

064

128

128

128

Use +,- and MENU/Enter to adjust the value of your selected parameter.

Select reset to reset all adjustment back to the factory preset value.

HV adjust- When it is selected the following sub-menu appears.

H-position

V-position

Use +,- to adjust the best horizontal and vertical position of the picture.

OSD adjust- When it is selecetd, you can adjust the Horizontal and Vertical 

                     position of the OSD menu.

System information-When it is selected, it shows the input/output resolution 

                                 and their vertical refresh rate on the screen.

Auto adjust- When it is selected the CP-252 will automatically adjust all the 

                      parameter to the factory preset value.

Exit- Select to exit from the current menu page.
Notes:

          * The default output resolution of the CP-252 is XGA@60 Hz.

          * The unit has non-volatile memory and memorizes all your setting before

             power off and recalls those setting on next power on.

          * At any time, pr and - buttons simultaneously will reset the output 

             resolution to XGA@60Hz, and other settings back to factory default values.

7

184
 32

3.Installation

3.3 Connection Block Diagram:

A. For digital RGB (DVI) output, (Select DVI-D in the Output Setup

    of the menu).

CP-252

CP-252

VGA 

Cable

DVI 

out

DVI 

in

DVI 

Cable

DVI 

Cable

or

or

PC/Monitor

PC/Monitor

PC Resolutions

PC Resolutions

Plasma TV

Projector

Plasma TV

Projector

HDTV

HDTV Resolutions

HDTV Resolutions

YPbPr 

to 

VGA cable

DVI 

out

DVD,STB,DVHS

(a) PC in to Digital PC or HDTV out

(b) HDTV in to Digital PC or HDTV out

3

PC

PC input

HDTV input

4.Configuration & Operation

4.2 Menu and Adjustments

Output set up-When it is selected, a sub-mnu as below appears.

DVI-A             DVI-D

Mode

XXXX-XX

Select DVI-A when you would like to use analog output of CP-252. 
Select DVI-D when you would like to use digital output of CP-252.

When DVI-A is selected, it give you choice for the output mode as follow:
Output modes under DVI-A.

70/75 Hz

-RGB

-RGB

-RGB

-RGB

-YPbPr

-YPbPr

-YPbPr

-YPbPr

70/75 Hz

-RGB

-RGB

-RGB

-RGB

When DVI-D is selected, it gives you choices for the output mode as follows: 

Output modes under DVI-D.

Picture Adjust-When it is selected the following adjust parameters will appear:

Contrast
Bright
Color 
Red
Green
Blue
Reset
Exit

6

070
130
070
128
128
128

Use +,- to choose your desired PC or HDTV resolution.

HDTV (RGBHV)

HDTV (RGBHV)

3. Installation

B. For analog RGB(VGA) output, (Select DVI-A in the Output 

    setup of the menu).

(b) HDTV in to PC or HDTV out  

DVD, STB,DVHS

CP-252

Analog 
HDTV output

HDTV in

(a) PC in to PC or HDTV out

VGA 
cable

CP-252

Analog HDTV output

VGA to YPbPr cable

VGA to YPbPr Cable

VGA cable

Analog PC output

PC

PC in

 YPbPr/YCbCr
  to VGA cable

DVI to 
VGA 
Adaptor

VGA cable

Analog 
PC output

DVI to 
VGA 
Adaptor

4

3.3 Connection Block Diagram:

4.Configuration & Operation

4.1 Front and Rear Panels

4.2 Menu and Adjustments

PC/HD INPUT

DC 5V 2A

Pressing the Menu button will bring up the OSD menu controls on the 

screen as follows:

  * Input set up

  * Picture Adjust

  * HV Adjust

  * OSD Adjust

  * System Information

  * Auto Adjust

  * Exit

Use +,- to move the arrow cursor to your desired selection, then press MENU to 

confirm your selection and enter into sub menu.

Input set up - When it is selected, a sub menu as below will appear.

Clock
Phase

32/64
22/31

The CP-252 will automatically detect and show the input signal format as 
YPbPr or RGB.
You can also manually select the YPbPr or RGB to match the format of your input.
Selecting a format that doesn't coincide with your input will result in an abnormal 
picture. 

5

Clock: To adjust for the most optimal input clock frequency where picture is

            stable and unskewed. 

            Press + button also narrow the width of the picture toward the left.

            Press - button to extend the width of the picture toward the right.

Phase: Use +,- to adjust for lowest snow noise of the picture. 

YPbPr       RGB

Use +,- to choose the parameter your want to adjust and then press the 

Menu(Enter)to highlight your selection. Once a parameter is highlighted, 

use +,- to increase or decrease the setting value.

Press Menu(Enter) again to leave the setting. Move the arrow to exit then 

press Menu/Enter to Exit.

XGA

480p

DVI OUTPUT

MENU -

+

Spec.

Signal  Type

Input

Output

Input

Output

CP-251

Analog

Analog

Analog

Analog

Analog

Digital/Analog

Analog

Digital/Analog

Digital

Digital/Analog

Digital

Analog

Connector

HD-15F

HD-15F

HD-15F

DVI-I

DVI-D

HD-15F

DVI-D

RCA/4Din/7Din

DVI-I

HD-15F

RCA/4Din/7Din

DVI-I

Model

Format

Input

Output

PC-RGB+HDTV-RGB/YPbPr(Auto/Manual)

PC-RGB+HDTV-RGB/YPbPr(Manual)

PC-RGB+HDTV-RGB/YPbPr(Auto/Manual)

PC-RGB+HDTV-RGB/YPbPr

Digital:PC-RGB+HDTV-RGB Analog: PC-RGB+HDTV-RGB/YPbPr

PC-RGB+HDTV-RGB/YPbPr

PC-RGB+HDTV-RGB+YPbPr(Manual)

Digital:PC-RGB+HDTV-RGB Analog: PC-RGB+HDTV-RGB/YPbPr

Digital:PC-RGB+HDTV-RGB Analog: PC-RGB+HDTV-RGB/YPbPr

CVBS/S-Video/TUV/RGsB(Manual)

CVBS/S-Video/TUV/RGsB(Manual)

Analog: PC-RGB+HDTV-RGB/YPbPr

Cypress's high performance scaler/processor family

CM-348

CM-347

CP-254

CP-253

CP-252

Note:

       4 Din:4-pin mini Din

       7 Din: 7-pin mini Din

       RGsB: RGB Sync on Green

Содержание CP-252

Страница 1: ...VGA to DVI I Scaler Box Operation Manual CP 252...

Страница 2: ...HDTV RGB YPbPr Manual PC RGB HDTV RGB YPbPr Auto Manual PC RGB HDTV RGB YPbPr Digital PC RGB HDTV RGB Analog PC RGB HDTV RGB YPbPr PC RGB HDTV RGB YPbPr PC RGB HDTV RGB YPbPr Manual Digital PC RGB HDT...

Страница 3: ...d while the output resolution and refresh rate can be selected through OSD menu and front panel push buttons 5 48 MB frame memory for frame rate conversion 6 Output picture adjustment on brightness co...

Страница 4: ...ion in both digital and analog format To use CP 252 s digital output select DVI D in the Output Setup of the menu and use DVI cable to connect the DVI output of the CP 252 to the DVI input of a displa...

Страница 5: ...CP 252 VGA Cable DVI out DVI in DVI Cable DVI Cable or or PC Monitor PC Monitor PC Resolutions PC Resolutions Plasma TV Projector Plasma TV Projector HDTV HDTV Resolutions HDTV Resolutions YPbPr to V...

Страница 6: ...V out DVD STB DVHS CP 252 Analog HDTV output HDTV in a PC in to PC or HDTV out VGA cable CP 252 Analog HDTV output VGA to YPbPr cable VGA to YPbPr Cable VGA cable Analog PC output PC PC in YPbPr YCbCr...

Страница 7: ...can also manually select the YPbPr or RGB to match the format of your input Selecting a format that doesn t coincide with your input will result in an abnormal picture 5 Clock To adjust for the most o...

Страница 8: ...selected it give you choice for the output mode as follow Output modes under DVI A 70 75 Hz RGB RGB RGB RGB YPbPr YPbPr YPbPr YPbPr 70 75 Hz RGB RGB RGB RGB When DVI D is selected it gives you choices...

Страница 9: ...just When it is selecetd you can adjust the Horizontal and Vertical position of the OSD menu System information When it is selected it shows the input output resolution and their vertical refresh rate...

Страница 10: ...0 7 Vp p 75 ohm H V 3 to 5 Vp p TTL Y 1 Vp p 75 ohm Pb Cb Pr Cr 0 7 Vp p 75 ohm Input connector HD 15 female VGA connector Output format Digital RGBHV Analog RGBHV or YPbPr through DVI to HD 15 adapt...

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