Hitachi CP-CX250 Manuel utilisateur

Projector

CP-CX250

User's Manual (detailed)

Operating Guide – Technical

Example of computer signal

NOTE • Be sure to check jack type, signal level, timing and resolution before

connecting this projector to a PC.

• Some PCs may have multiple display screen modes. Use of some of these modes will

not be possible with this projector.

• Depending on the input signal, full-size display may not be possible in some cases.

Refer to the number of display pixels above.

•

Although the projector can display signals with resolution up to UXGA (1600x1200), the signal

will be converted to the projector’s panel resolution before being displayed. The best display

performance will be achieved if the resolutions of the input signal and projector panel are identical.

• Automatic adjustment may not function correctly with some input signals.

• The image may not be displayed correctly when the input sync signal is a composite

sync or a sync on G.

• The illustrations in this manual are for illustrative purposes. They may differ slightly

from your projector.

Resolution (H x V) H. frequency (kHz) V. frequency (Hz) Rating Signal mode

720 x 400 37.9 85.0 VESA TEXT

640 x 480 31.5 59.9 VESA VGA (60Hz)

640 x 480 37.9 72.8 VESA VGA (72Hz)

640 x 480 37.5 75.0 VESA VGA (75Hz)

640 x 480 43.3 85.0 VESA VGA (85Hz)

800 x 600 35.2 56.3 VESA SVGA (56Hz)

800 x 600 37.9 60.3 VESA SVGA (60Hz)

800 x 600 48.1 72.2 VESA SVGA (72Hz)

800 x 600 46.9 75.0 VESA SVGA (75Hz)

800 x 600 53.7 85.1 VESA SVGA (85Hz)

832 x 624 49.7 74.5 Mac 16” mode

1024 x 768 48.4 60.0 VESA XGA (60Hz)

1024 x 768 56.5 70.1 VESA XGA (70Hz)

1024 x 768 60.0 75.0 VESA XGA (75Hz)

1024 x 768 68.7 85.0 VESA XGA (85Hz)

1152 x 864 67.5 75.0 VESA

1152 x 864 (75Hz)

1280 x 768 47.7 60.0 VESA WXGA (60Hz)

1280 x 800 49.7 60.0 VESA

1280 x 800 (60Hz)

1280 x 960 60.0 60.0 VESA

1280 x 960 (60Hz)

1280 x 1024 64.0 60.0 VESA SXGA (60Hz)

1280 x 1024 80.0 75.0 VESA SXGA (75Hz)

1280 x 1024 91.1 85.0 VESA SXGA (85Hz)

1440 x 900 55.9 59.9 VESA WXGA+ (60Hz)

1400 x 1050 65.2 60.0 VESA SXGA+ (60Hz)

1600 x 1200 75.0 60.0 VESA UXGA (60Hz)

Initial set signals

The following signals are used for the initial settings. The signal timing of some

computer models may be different. In such case, adjust the items V POSITION

and H POSITION in the IMAGE menu.

Back porch (B) Front porch (D) Back porch (b) Front porch (d)

Active video (C)

Data Data

H. Sync. V. Sync.

Sync (A) Sync (a)

Active video (c)

Resolution

(H x V)

Horizontal signal timing (μs) Vertical signal timing (lines) Signal mode

(A) (B) (C) (D) (a) (b) (c) (d)

720 x 400 2.0 3.0 20.3 1.0 342 400 1TEXT

640 x 480 3.8 1.9 25.4 0.6 2 33 480 10 VGA (60Hz)

640 x 480 1.3 4.1 20.3 0.8 328 480 9 VGA (72Hz)

640 x 480 2.0 3.8 20.3 0.5 316 480 1VGA (75Hz)

640 x 480 1.6 2.2 17.8 1.6 325 480 1VGA (85Hz)

800 x 600 2.0 3.6 22.2 0.7 2 22 600 1SVGA (56Hz)

800 x 600 3.2 2.2 20.0 1.0 4 23 600 1SVGA (60Hz)

800 x 600 2.4 1.3 16.0 1.1 6 23 600 37 SVGA (72Hz)

800 x 600 1.6 3.2 16.2 0.3 321 600 1SVGA (75Hz)

800 x 600 1.1 2.7 14.2 0.6 327 600 1SVGA (85Hz)

832 x 624 1.1 3.9 14.5 0.6 339 624 1Mac 16" mode

1024 x 768 2.1 2.5 15.8 0.4 6 29 768 3XGA (60Hz)

1024 x 768 1.8 1.9 13.7 0.3 6 29 768 3XGA (70Hz)

1024 x 768 1.2 2.2 13.0 0.2 328 768 1XGA (75Hz)

1024 x 768 1.0 2.2 10.8 0.5 336 768 1XGA (85Hz)

1152 x 864 1.2 2.4 10.7 0.6 332 864 1

1152 x 864 (75Hz)

1280 x 768 1.7 2.5 16.0 0.8 323 768 1WXGA (60Hz)

1280 x 800 1.6 2.4 15.3 0.8 324 800 1

1280 x 800 (60Hz)

1280 x 960 1.0 2.9 11.9 0.9 336 960 1

1280 x 960 (60Hz)

1280 x 1024 1.0 2.3 11.9 0.4 3 38 1024 1SXGA (60Hz)

1280 x 1024 1.1 1.8 9.5 0.1 3 38 1024 1SXGA (75Hz)

1280 x 1024 1.0 1.4 8.1 0.4 344 1024 1SXGA (85Hz)

1440 x 900 1.4 2.2 13.5 0.8 6 25 900 3WXGA+ (60Hz)

1400 x 1050 1.2 2.0 11.4 0.7 3 33 1050 1SXGA+ (60Hz)

1600 x 1200 1.2 1.9 9.9 0.4 346 1200 1UXGA (60Hz)

Connection to the ports

NOTICE ►

Use the cables with straight plugs, not L-shaped ones, as the input

ports of the projector are recessed.

►Only the signal that is input from the COMPUTER IN1 can be output

from the MONITOR OUT port.

ACOMPUTER IN1, BCOMPUTER IN2 /MONITOR OUT

D-sub 15pin mini shrink jack

(1) for PC signal

• Video signal: RGB separate, Analog, 0.7Vp-p, 75Ω terminated (positive)

• H/V. sync. Signal: TTL level (positive/negative)

• Composite sync. Signal: TTL level

Pin Signal Pin Signal

1Video Red 10 Ground

2 Video Green 11 (No connection)

3Video Blue 12 A

: SDA (DDC data)

: (No connection)

4 (No connection)

5Ground 13 H. sync / Composite sync.

6 Ground Red 14 V. sync.

7Ground Green 15 A

: SCL (DDC clock)

: (No connection)

8Ground Blue

9 (No connection) - -





 

(2) for Component signal

• Y: Component video Y with composite sync, 1.0±0.1 Vp-p, 75 Ω terminator

• Cr/Pr: Component video Cr/Pr, 0.7±0.1 Vp-p, 75 Ω terminator

• Cb/Pb: Component video Cb/Pb, 0.7±0.1 Vp-p, 75 Ω terminator

System: 480i@60,480p@60,576i@50,576p@50,720p@50/60,1080i@50/60,1080p@50/60

Pin Signal Pin Signal

1Cr/Pr 9 (No connection)

2 Y 10 Ground

3Cb/Pb 11 (No connection)

4 (No connection) 12 (No connection)

5Ground 13 (No connection)

6 Ground Cr/Pr 14 (No connection)

7Ground Y 15 (No connection)

8Ground Cb/Pb - -

Connection to the ports (continued)

CS-VIDEO

Mini DIN 4pin jack

• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43, PAL(60Hz)

Pin Signal

1Color signal 0.286Vp-p (NTSC, burst), 75Ω terminator

Color signal 0.300Vp-p (PAL/SECAM, burst) 75Ω terminator

2 Brightness signal, 1.0Vp-p, 75Ω terminator

3Ground

4 Ground

DVIDEO

RCA jack

• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43, PAL(60Hz)

• 1.0±0.1Vp-p, 75Ω terminator

Connection to the ports (continued)

EAUDIO IN1

Ø3.5 stereo mini jack

• 47kΩ terminator

Connection to the ports (continued)

USB

TYPE B

USB B type jack

Pin Signal

1+5V

2 - Data

3+ Data

4Ground

CONTROL

D-sub 9pin plug

• About the details of RS-232C communication,

please refer to the section "RS-232C Communication".

Pin Signal Pin Signal Pin Signal

1(No connection) 4 (No connection) 7RTS

2 RD 5Ground 8CTS

3TD 6 (No connection) 9 (No connection)

54321

Connection to the ports (continued)

To input component video signal to COMPUTER IN ports

ex.

To input component video signal to the COMPUTER IN1 or IN2 port of the projector,

use a RCA to D-sub cable or adapter.

For the pin description of the required cable or adapter, refer to the descriptions about

COMPUTER IN1 and IN2 port

(&3).

Y CB/PBCR/PR

COMPONENT VIDEO OUT

RCA plugs

D-sub plug

VCR/DVD/Blu-ray

Disc player

RCA connectors

RS-232C Communication

When the projector connects to the computer by RS-232C communication,

the projector can be controlled with RS-232C commands from the computer.

For details of RS-232C commands, refer to RS-232C Communication / Network

command table (&11).

Connection

1. Turn off the projector and the computer.

2. Connect the projector's CONTROL port and the computer's RS-232C port

with a RS-232C cable (cross). Use the cable that ful lls the speci cation

shown in  gure.

3. Turn the computer on, and after the computer has started up turn the projector

on.

4. Set the COMMUNICATION TYPE to OFF (&OPTION menu - SERVICE -

COMMUNICATION in the User's Manual - Operating Guide).

(cross)

RS-232C Cable

RS-232C CONTROL

CD (1) (1)

RD(2) (2) RD

TD (3) (3) TD

DTR (4) (4)

GND (5) (5) GND

DSR (6) (6)

RTS (7) (7) RTS

DTS (8) (8) CTS

RI (9) (9)

CONTROL port

of the projector

RS-232C port

of the computer

54321



7 6

RS-232C Communication (continued)

Communication settings

1. Protocol

19200bps,8N1

2. Command format ("h" shows hexadecimal)

Byte Number 01234567 8 9 10 11 12

Command

Action

Header Data

Header

code

Packet

Data

size

CRC

ag Action Type Setting

code

L H L H L H L H L H L H

<SET>

Change setting to

desired value [(cL)(cH)]

by [(bL)(bH)].

BEh EFh 03h 06h 00h

(aL) (aH) 01h 00h (bL) (bH) (cL) (cH)

<GET>

Read projector

internal setup value [(bL)

(bH)] .

(aL) (aH) 02h 00h (bL) (bH) 00h 00h

Increment setup value

[(bL)(bH)] by 1.

(aL) (aH) 04h 00h (bL) (bH) 00h 00h

Decrement setup value

[(bL)(bH)] by 1.

(aL) (aH) 05h 00h (bL) (bH) 00h 00h

<EXECUTE> Run

a command [(bL)(bH)].

(aL) (aH) 06h 00h (bL) (bH) 00h 00h

[Header code] [Packet] [Data size]

Set [BEh, EFh, 03h, 06h, 00h] to byte number 0

[CRC ag]

For byte number

5, 6,

refer to

RS-232C Communication / Network command

table

(&11).

[Action]

Set functional code to byte number 7, 8.

<SET> = [01h, 00h], <GET> = [02h, 00h], <INCREMENT> = [04h, 00h]

<DECREMENT> = [05h, 00h], <EXECUTE> = [06h, 00h]

Refer to the Communication command table (&above).

[Type] [Setting code]

For byte number

～

, refer to

RS-232C Communication / Network command

table

(&11).

RS-232C Communication (continued)

3. Response code / Error code ("h" shows hexadecimal)

(1) ACK reply: 06h

When the projector receives the Set, Increment, Decrement or Execute

command correctly, the projector changes the setting data for the specied

item by [Type], and it returns the code.

(2) NAK reply: 15h

When the projector cannot understand the received command, the projector

returns the error code.

In such a case, check the sending code and send the same command again.

(3) Error reply: 1Ch + 0000h

When the projector cannot execute the received command for any reasons,

the projector returns the error code.

In such a case, check the sending code and the setting status of the projector.

(4) Data reply: 1Dh + xxxxh

When the projector receives the GET command correctly, the projector returns

the responce code and 2 bytes of data.

NOTE •

For connecting the projector to your devices, please read the manual

for each devices, and connect them correctly with suitable cables.

• Operation cannot be guaranteed when the projector receives an undened

command or data.

• Provide an interval of at least 40ms between the response code and any other

code.

• The projector outputs test data when the power supply is switched ON, and

when the lamp is lit. Ignore this data.

• Commands are not accepted during warm-up.

• When the data length is greater than indicated by the data length code,

the projector ignore the excess data code. Conversely when the data length is

shorter than indicated by the data length code, the projector returns the error

code to the computer.

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