Hitachi CP-CX251N Manuale utente

Projector

CP-CX251N

User's Manual (detailed)

Operating Guide – Technical

Supported signals for COMPUTER IN

Resolution (H x V) Signal mode H. frequency

(kHz)

V. frequency

(Hz)

Rating

720 x 400 TEXT 37.9 85 VESA

640 x 480 VGA (60Hz) 31.5 59.9 VESA

VGA (72Hz) 37.9 72.8 VESA

VGA (75Hz) 37.5 75 VESA

VGA (85Hz) 43.3 85 VESA

800 x 600 SVGA (56Hz) 35.2 56.3 VESA

SVGA (60Hz) 37.9 60.3 VESA

SVGA (72Hz) 48.1 72.2 VESA

SVGA (75Hz) 46.9 75 VESA

SVGA (85Hz) 53.7 85.1 VESA

832 x 624 Mac 16” mode 49.7 74.5

1024 x 768 XGA (60Hz) 48.4 60 VESA

XGA (70Hz) 56.5 70.1 VESA

XGA (75Hz) 60 75 VESA

XGA (85Hz) 68.7 85 VESA

1152 x 864 1152 x 864 (75Hz) 67.5 75 VESA

1280 x 768 W-XGA (60Hz) 47.7 60 VESA

1280 x 800 1280 x 800 (60Hz) 49.7 60 VESA

1280 x 1024 SXGA (60Hz) 64 60 VESA

SXGA (75Hz) 80 75 VESA

SXGA (85Hz) 91.1 85 VESA

1366 x 768 WXGA (60Hz) 47.7 59.8 VESA

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

1600 x 900 WXGA++ (60Hz) 60 60 VESA

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

1600 x 1200 UXGA (60Hz) 75 60 VESA

1920 x 1080 Full HD (60Hz) 67.5 60 VESA

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.

• 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.

Supported signals for HDMI

Resolution (H x V) Signal mode H. frequency

(kHz)

V. frequency

(Hz)

Rating

720 x 400 TEXT 37.9 85 VESA

640 x 480 VGA (60Hz) 31.5 59.9 VESA

VGA (72Hz) 37.9 72.8 VESA

VGA (75Hz) 37.5 75 VESA

VGA (85Hz) 43.3 85 VESA

800 x 600 SVGA (56Hz) 35.2 56.3 VESA

SVGA (60Hz) 37.9 60.3 VESA

SVGA (72Hz) 48.1 72.2 VESA

SVGA (75Hz) 46.9 75 VESA

SVGA (85Hz) 53.7 85.1 VESA

832 x 624 Mac 16” mode 49.7 74.5

1024 x 768 XGA (60Hz) 48.4 60 VESA

XGA (70Hz) 56.5 70.1 VESA

XGA (75Hz) 60 75 VESA

XGA (85Hz) 68.7 85 VESA

1152 x 864 1152 x 864 (75Hz) 67.5 75 VESA

1280 x 768 W-XGA (60Hz) 47.7 60 VESA

1280 x 800 1280 x 800 (60Hz) 49.7 60 VESA

1280 x 1024 SXGA (60Hz) 64 60 VESA

SXGA (75Hz) 80 75 VESA

SXGA (85Hz) 91.1 85 VESA

1366 x 768 WXGA (60Hz) 47.7 59.8 VESA

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

1600 x 900 WXGA++ (60Hz) 60 60 VESA

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

1680 x 1050 WSXGA+ (60Hz) 65.3 60 VESA

1600 x 1200 UXGA (60Hz) 75 60 VESA

720(1440) x 480i 480i 15.7 60 CEA

720(1440) x 576i 576i 15.6 50 CEA

720 x 480p 480p 31.5 60 CEA

720 x 576p 576p 31.3 50 CEA

1280 x 720p 720p (50Hz) 37.5 50 CEA

720p (60Hz) 45 60 CEA

1920 x 1080i 1080i (50Hz) 28.1 50 CEA

1080i (60Hz) 33.8 60 CEA

1920 x 1080p 1080p (50Hz) 56.3 50 CEA

1080p (60Hz) 67.5 60 CEA

Supported signals

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)

5 Ground 13 H. sync / Composite sync.

6 Ground Red 14 V. sync.

7 Ground 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)

2Y10 Ground

3Cb/Pb 11 (No connection)

4 (No connection) 12 (No connection)

5 Ground 13 (No connection)

6 Ground Cr/Pr 14 (No connection)

7 Ground Y15 (No connection)

8 Ground 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

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

3 Ground

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)

AUDIO IN

RCA jack x2

• 47kΩ terminator

EHDMI

• Type :Digital audio/video connector

• Audio signal : Linear PCM (Sampling rate; 32/44.1/48 kHz)

Pin Signal Pin Signal Pin Signal

1 T.M.D.S. Data2 + 8 T.M.D.S. Data0 Shield 15 SCL

2T.M.D.S. Data2 Shield 9 T.M.D.S. Data0 - 16 SDA

3 T.M.D.S. Data2 - 10 T.M.D.S. Clock + 17 DDC/CEC Ground

4 T.M.D.S. Data1 + 11 T.M.D.S. Clock Shield

+5V Power

5T.M.D.S. Data1 Shield 12 T.M.D.S. Clock - 19 Hot Plug Detect

6 T.M.D.S. Data1 - 13 CEC

7 T.M.D.S. Data0 + 14 Reserved(N.C. on device)

10 12 14 16 182468

911131517191357

AUDIO OUT

R, IL

RCA jack x2

• 1kΩ output impedance

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) 7 RTS

2 RD 5 Ground 8 CTS

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

5 4 3 2 1

LAN

RJ-45 jack 87654

Pin Signal Pin Signal Pin Signal

1 TX+ 4 - 7 -

2 TX- 5 - 8 -

3RX+ 6 RX-

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 (&17).

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

5 4 3 2 1



7 6

RS-232C Communication (continued)

Communication settings

1. Protocol

19200bps,8N1

2. Command format ("h" shows hexadecimal)

Byte Number 0 1 2 3 4 5 6 7 8 9 10 11 12

Command

Action

Header Data

Header

code

Packet

Data

size

CRC

ag Action Type Setting

code

LHLHLHLHLHLH

<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

(&17).

[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

(&17).

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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