Hitachi 8755J Manuel utilisateur

Projector

8755J/8919H/8920H

User's Manual (detailed)

Operating Guide – Technical

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 W-XGA (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)

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

1600 x 1200 75.0 60.0 VESA UXGA (60Hz)

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.

Example of PC signal

Initial set signals

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

PC models may be different. In such case, adjust the items V POSITION and H

POSITION in IMAGE menu.

computer

Signal

Horizontal signal timing (μs) computer

Signal

Vertical signal timing (lines)

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

TEXT 2.0 3.0 20.3 1.0 TEXT 3 42 400 1

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

VGA (72Hz) 1.3 4.1 20.3 0.8 VGA (72Hz) 3 28 480 9

VGA (75Hz) 2.0 3.8 20.3 0.5 VGA (75Hz) 3 16 480 1

VGA (85Hz) 1.6 2.2 17.8 1.6 VGA (85Hz) 3 25 480 1

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

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

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

SVGA (75Hz) 1.6 3.2 16.2 0.3 SVGA (75Hz) 3 21 600 1

SVGA (85Hz) 1.1 2.7 14.2 0.6 SVGA (85Hz) 3 27 600 1

Mac 16" mode 1.1 3.9 14.5 0.6 Mac 16" mode 3 39 624 1

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

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

XGA (75Hz) 1.2 2.2 13.0 0.2 XGA (75Hz) 3 28 768 1

XGA (85Hz) 1.0 2.2 10.8 0.5 XGA (85Hz) 3 36 768 1

1152 x 864

(75Hz) 1.2 2.4 10.7 0.6 1152 x 864

(75Hz) 3 32 864 1

W-XGA (60Hz) 1.7 2.5 16.0 0.8 W-XGA (60Hz) 3 23 768 1

1280 x 800

(60Hz) 1.6 2.4 15.3 0.8 1280 x 800

(60Hz) 3 24 800 1

1280 x 960

(60Hz) 1.0 2.9 11.9 0.9 1280 x 960

(60Hz) 3 36 960 1

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

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

SXGA (85Hz) 1.0 1.4 8.1 0.4 SXGA (85Hz) 3 44 1024 1

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

UXGA (60Hz) 1.2 1.9 9.9 0.4 UXGA (60Hz) 3 46 1200 1

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)

ACOMPUTER IN1, BCOMPUTER IN2, CMONITOR OUT

D-sub 15pin mini shrink jack

• 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 9(No connection)

2 Video Green 10 Ground

3Video Blue 11 (No connection)

4(No connection) 12 A: SDA (DDC data) / B, C: (No connection)

5 Ground 13 H. sync / Composite sync.

6 Ground Red 14 V. sync.

7 Ground Green 15 A: SCL (DDC clock) / B, C: (No connection)

8Ground Blue

Connection to the ports

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

 

Connection to the ports

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

input ports of the projector are recessed.

GS-VIDEO

Mini DIN 4pin jack

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

Connection to the ports (continued)

HVIDEO

RCA jack

• System: NTSC, PAL, SECAM, PAL-M, PAL-N, NTSC4.43, PAL60

• 1.0±0.1Vp-p, 75Ω terminator

COMPONENT DY, ECb/Pb FCr/Pr

RCA jack x3

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

Port Signal

YComponent video Y, 1.0±0.1Vp-p, 75Ω terminator with composite sync

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

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

Connection to the ports (continued)

IAUDIO IN1,

AUDIO IN2

Ø3.5 stereo mini jack

• 200 mVrms 47kΩ terminator

AUDIO IN3

RCA jack x2

• 200 mVrms 47kΩ terminator

AUDIO OUT

R, NL

RCA jack x2

• 200 mVrms 1kΩ output impedance

To input SCART RGB signal;

ex.:

To input SCART RGB signal to the projector, use a SCART to RCA cable.

Connect the plugs refer to above ex.. For more reference, please consult your dealer.

SCART connector

(jack)

SCART cable

(plug)

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㪩

㪙

㪞

㪘㫌㪻㫀㫆㩷㪣

㪘㫌㪻㫀㫆㩷㪩

RCA plugs

ML N

Connection to the ports (continued)

USB

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 following page.

Pin Signal Pin Signal Pin Signal

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

2RD 5 Ground 8 CTS

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

54321

RS-232C Communication

Connecting the cable

1. Turn off the projector and the computer.

2. Connect the CONTROL port of the projector with a RS-232C port of

the computer by a RS-232C cable (cross). Use the cable that fullls the

specication shown in the previous page.

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

projector on.

Communications setting

19200bps, 8N1

1. Protocol

Consist of header (7 bytes) + command data (6 bytes)

2. Header

BE + EF + 03 + 06 + 00 + CRC_low + CRC_high

CRC_low: Lower byte of CRC ag for command data

CRC_high: Upper byte of CRC ag for command data

3. Command data

Command data chart

byte_0 byte_1 byte_2 byte_3 byte_4 byte_5

Action Type Setting code

low high low high low high

Action (byte_0 - 1)

Action Classication Content

1 Set Change setting to desired value.

2 Get Read projector internal setup value.

4 Increment Increment setup value by 1.

5Decrement Decrement setup value by 1.

6 Execute Run a command.

6789

1 2 3 4 5 6789

1 2 3 4 5

CONTROL port RS-232C cable (cross) RS-232C port

of the projector of the computer

- (1) (1) CD

RD (2) (2) RD

TD (3) (3) TD

- (4) (4) DTR

GND (5) (5) GND

- (6) (6) DSR

RTS (7) (7) RTS

CTS (8) (8) DTS

- (9) (9) RI

RS-232C Communication (continued)

Requesting projector status (Get command)

(1) Send the following request code from the PC to the projector.

Header + Command data (‘02H’ + ‘00H’ + type (2 bytes) + ‘00H’ + ‘00H’)

(2) The projector returns the response code ‘1DH’ + data (2 bytes) to the PC.

Changing the projector settings (Set command)

(1) Send the following setting code from the PC to the projector.

Header + Command data (‘01H’ + ‘00H’ + type (2 bytes) + setting code (2 bytes))

(2) The projector changes the setting based on the above setting code.

(3) The projector returns the response code ‘06H’ to the PC.

Using the projector default settings (Reset Command)

(1) The PC sends the following default setting code to the projector.

Header + Command data (‘06H’ + ‘00H’ + type (2 bytes) + ‘00H’ + ‘00H’)

(2) The projector changes the specied setting to the default value.

(3) The projector returns the response code ‘06H’ to the PC.

Increasing the projector setting value (Increment command)

(1) The PC sends the following increment code to the projector.

Header + Command data (‘04H’ + ‘00H’ + type (2 bytes) + ‘00H’ + ‘00H’)

(2) The projector increases the setting value on the above setting code.

(3) The projector returns the response code ‘06H’ to the PC.

Decreasing the projector setting value (Decrement command)

(1) The PC sends the following decrement code to the projector.

Header + Command data (‘05H’ + ‘00H’ + type (2 bytes) + ‘00H’ + ‘00H’)

(2) The projector decreases the setting value on the above setting code.

(3) The projector returns the response code ‘06H’ to the PC.

When the projector cannot understand the received command

When the projector cannot understand the received command, the error code ‘15H’

is sent back to the PC.

Sometimes the projector cannot properly receive the command. In such a case,

the command is not executed and the error code ‘15H’ is sent back to the PC. If

this error code is returned, send the same command again.

When the projector cannot execute the received command.

When the projector cannot execute the received command, the error code ‘1CH’ +

‘xxxxH’ is sent back to the PC.

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, an error code will be returned to the PC.

NOTE • 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.

Names Operation Type Header Command Data

CRC Action Type Setting Code

Power Set Turn off BE EF 03 06 00 2A D3 01 00 00 60 00 00

Turn on BE EF 03 06 00 BA D2 01 00 00 60 01 00

Get BE EF 03 06 00 19 D3 02 00 00 60 00 00

[Example return]

00 00 01 00 02 00

[Off] [On] [Cool down]

Input Source Set COMPUTER1 BE EF 03 06 00 FE D2 01 00 00 20 00 00

COMPUTER2 BE EF 03 06 00 3E D0 01 00 00 20 04 00

COMPONENT BE EF 03 06 00 AE D1 01 00 00 20 05 00

S-VIDEO BE EF 03 06 00 9E D3 01 00 00 20 02 00

VIDEO BE EF 03 06 00 6E D3 01 00 00 20 01 00

Get BE EF 03 06 00 CD D2 02 00 00 20 00 00

Error Status Get BE EF 03 06 00 D9 D8 02 00 20 60 00 00

[Example return]

00 00 01 00 02 00 03 00

[Normal] [Cover error] [Fan error] [Lamp error]

04 00 05 00 07 00 08 00

 [Temperror] [Airowerror] [Colderror] [Filtererror]

MAGNIFY Get BE EF 03 06 00 7C D2 02 00 07 30 00 00

Increment BE EF 03 06 00 1A D2 04 00 07 30 00 00

Decrement BE EF 03 06 00 CB D3 05 00 07 30 00 00

FREEZE Set NORMAL BE EF 03 06 00 83 D2 01 00 02 30 00 00

FREEZE BE EF 03 06 00 13 D3 01 00 02 30 01 00

Get BE EF 03 06 00 B0 D2 02 00 02 30 00 00

PICTURE MODE Set NORMAL BE EF 03 06 00 23 F6 01 00 BA 30 00 00

CINEMA BE EF 03 06 00 B3 F7 01 00 BA 30 01 00

DYNAMIC BE EF 03 06 00 E3 F4 01 00 BA 30 04 00

BOARD(BLACK) BE EF 03 06 00 E3 EF 01 00 BA 30 20 00

BOARD(GREEN) BE EF 03 06 00 73 EE 01 00 BA 30 21 00

WHITEBOARD BE EF 03 06 00 83 EE 01 00 BA 30 22 00

DAYTIME BE EF 03 06 00 E3 C7 01 00 BA 30 40 00

Get BE EF 03 06 00 10 F6 02 00 BA 30 00 00

[Example return]

00 00 01 00 04 00 10 00

[Normal] [Cinema] [Dynamic] [Custom]

20 00 21 00 22 00 40 00

[BOARD(BLACK)] [BOARD(GREEN)] [WHITEBOARD] [DAY TIME]

BRIGHTNESS Get BE EF 03 06 00 89 D2 02 00 03 20 00 00

Increment BE EF 03 06 00 EF D2 04 00 03 20 00 00

Decrement BE EF 03 06 00 3E D3 05 00 03 20 00 00

BRIGHTNESS Reset Execute BE EF 03 06 00 58 D3 06 00 00 70 00 00

CONTRAST Get BE EF 03 06 00 FD D3 02 00 04 20 00 00

Increment BE EF 03 06 00 9B D3 04 00 04 20 00 00

Decrement BE EF 03 06 00 4A D2 05 00 04 20 00 00

CONTRAST Reset Execute BE EF 03 06 00 A4 D2 06 00 01 70 00 00

(continued on next page)

RS-232C Communication command table

Names Operation Type Header Command Data

CRC Action Type Setting Code

GAMMA Set 1 DEFAULT BE EF 03 06 00 07 E9 01 00 A1 30 20 00

1 CUSTOM BE EF 03 06 00 07 FD 01 00 A1 30 10 00

2 DEFAULT BE EF 03 06 00 97 E8 01 00 A1 30 21 00

2 CUSTOM BE EF 03 06 00 97 FC 01 00 A1 30 11 00

3 DEFAULT BE EF 03 06 00 67 E8 01 00 A1 30 22 00

3 CUSTOM BE EF 03 06 00 67 FC 01 00 A1 30 12 00

4 DEFAULT BE EF 03 06 00 F7 E9 01 00 A1 30 23 00

4 CUSTOM BE EF 03 06 00 F7 FD 01 00 A1 30 13 00

5 DEFAULT BE EF 03 06 00 C7 EB 01 00 A1 30 24 00

5 CUSTOM BE EF 03 06 00 C7 FF 01 00 A1 30 14 00

6 DEFAULT BE EF 03 06 00 57 EA 01 00 A1 30 25 00

6 CUSTOM BE EF 03 06 00 57 FE 01 00 A1 30 15 00

Get BE EF 03 06 00 F4 F0 02 00 A1 30 00 00

User Gamma Pattern Set Off BE EF 03 06 00 FB FA 01 00 80 30 00 00

9 steps gray scale BE EF 03 06 00 6B FB 01 00 80 30 01 00

15 steps gray scale BE EF 03 06 00 9B FB 01 00 80 30 02 00

Ramp BE EF 03 06 00 0B FA 01 00 80 30 03 00

Get BE EF 03 06 00 C8 FA 02 00 80 30 00 00

User Gamma Point 1 Get BE EF 03 06 00 08 FE 02 00 90 30 00 00

Increment BE EF 03 06 00 6E FE 04 00 90 30 00 00

Decrement BE EF 03 06 00 BF FF 05 00 90 30 00 00

User Gamma Point 1 Reset

Execute BE EF 03 06 00 58 C2 06 00 50 70 00 00

User Gamma Point 2 Get BE EF 03 06 00 F4 FF 02 00 91 30 00 00

Increment BE EF 03 06 00 92 FF 04 00 91 30 00 00

Decrement BE EF 03 06 00 43 FE 05 00 91 30 00 00

User Gamma Point 2 Reset

Execute BE EF 03 06 00 A4 C3 06 00 51 70 00 00

User Gamma Point 3 Get BE EF 03 06 00 B0 FF 02 00 92 30 00 00

Increment BE EF 03 06 00 D6 FF 04 00 92 30 00 00

Decrement BE EF 03 06 00 07 FE 05 00 92 30 00 00

User Gamma Point 3 Reset

Execute BE EF 03 06 00 E0 C3 06 00 52 70 00 00

User Gamma Point 4 Get BE EF 03 06 00 4C FE 02 00 93 30 00 00

Increment BE EF 03 06 00 2A FE 04 00 93 30 00 00

Decrement BE EF 03 06 00 FB FF 05 00 93 30 00 00

User Gamma Point 4 Reset

Execute BE EF 03 06 00 1C C2 06 00 53 70 00 00

User Gamma Point 5 Get BE EF 03 06 00 38 FF 02 00 94 30 00 00

Increment BE EF 03 06 00 5E FF 04 00 94 30 00 00

Decrement BE EF 03 06 00 8F FE 05 00 94 30 00 00

User Gamma Point 5 Reset

Execute BE EF 03 06 00 68 C3 06 00 54 70 00 00

User Gamma Point 6 Get BE EF 03 06 00 C4 FE 02 00 95 30 00 00

Increment BE EF 03 06 00 A2 FE 04 00 95 30 00 00

Decrement BE EF 03 06 00 73 FF 05 00 95 30 00 00

User Gamma Point 6 Reset

Execute BE EF 03 06 00 94 C2 06 00 55 70 00 00

User Gamma Point 7 Get BE EF 03 06 00 80 FE 02 00 96 30 00 00

Increment BE EF 03 06 00 E6 FE 04 00 96 30 00 00

Decrement BE EF 03 06 00 37 FF 05 00 96 30 00 00

User Gamma Point 7 Reset

Execute BE EF 03 06 00 D0 C2 06 00 56 70 00 00

RS-232C Communication command table (continued)

(continued on next page)

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