Hitachi Cp-X958 Liquid Crystal Projector Users Manual

21
Adjustments and functions (continued)
OPT
Communication functions, etc., can be set from the OPT menu.
Adjustment item
COM. SPEED
COM. BITS
TIMER
LANGUAGE
AUTO OFF
SYNC ON GAdjustment description
Sets the communication speed (5 steps).
Sets the bit configuration for the communication data.
7N1...7 data bits, No parity, 1 stop bit.
8N1...8 data bits, No parity, 1 stop bit.
Sets the timer display time (0 - 99) min.
Selects the menu screen language
(English, French, German, Spanish, Italian, Norwegian,...

22
Connection to the video signal terminals
Connection to the RGB signal terminal
1. Input signals
2. Signal input jacks
1. Input signals
2. Signal input jacks
S-VIDEO input (mini DIN 4-pin) Color signal
Ground GroundBrightness signal
The priority sequence of the video input jacks is as follows.
(1) S-VIDEO input jack          (2) RCA jack input jack
When video signals are being projected, the audio input by the video is output to the audio
output jack (RGB/VIDEO).Caution
D-sub 15-pin
shrink jack
Video...

23
Connection to the RGB signal terminal (continued)
• Some computers may have multiple display screen modes. Use of some of these modes will
not be possible with this projector.
• Be sure to check jack type, signal level, timing and resolution before connecting this
projector to a computer.
• Depending on the input signal, full-size display may not be possible in some cases. Caution
3.  Example of computer signal
Resolution fH fV
Rating Signal mode Display mode Note 1
H´ V (kHz) (Hz)
640 ´400 24.8 56.4...

24
Connection to the RGB signal terminal (continued)
4.  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, refer to pages 17 and 18 and adjust
the V.POSIT and H.POSIT of the menu.
DATA
HSYNC
ac bd
DATA
VSYNC
abd
c
Computer/SignalHorizontal signal timing (µs)
abcd
VGA-1(85Hz) 2.0 3.0 20.3 1.0
VGA-2(85Hz) 2.0 3.0 20.3 1.0
PC-9800 3.0 3.8 30.4 3.0
TEXT 2.0 3.0 20.3 1.0
VGA-3 3.8 1.9 25.4 0.6
Mac 13mode 2.1...

25
Connecting the USB
1. Connect the projector and computer with a suitable commercially available cable. Disconnect the mouse
cable from the projector.
2. Press the INPUT button of the projector or the RGB 1/2 button of the remote control and select the input
where the computer is to be connected.
3. Start the mouse function.
4. Refer to page 10 concerning the remote control of mouse operations.
5. Varying the force with which the DISK PAD button is pressed varies the speed of mouse operation.
1
2
3
4...

26
Connection to the control signal terminal
Use the mouse cable provided or a PS/2 mouse cable (for IBM and compatibles).
Cables for ADB  mouse (Apple), bus mouse (NEC) and serial mouse are available as options.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CLK
DATA
RTS SEL0
GND
1
2
3
4
5
6
DATA
+5V GND
CLK
6
3 4
21
+5V5control jack
D-sub 15-pin shrink jackProjector ComputerMouse jack  Mini
DIN 6-pin
Mouse cable (PS/2)
• Before making connections, read the instruction manual of the equipment to be connected.
•...

27
Connection to the control signal terminal (continued)
CONTROL signal jack
ADB (Mac) mouse
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
DATA
RTS
GND
1
2
3
4
ADB
+5V
GND
3 4
21
+5V
(POWER ON)
Projector
ComputerMouse jack
Mini DIN 4-pin
Mouse cable (ADB) (option)
Serial mouse
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
GND
TD
1
2
3
4
5
6
7
8
9
CD
RD
TD
DTR
GND
DSR
RTS
CTS
RI
12345
67
89
SELO
RTS
Projector Computer
Mouse jack  
D-sub 9-pin 
Mouse cable (serial) (option) Pin no. RS-232CMouse
PS/2 ADB Serial
1
2 CLK
3 DATA...

28
Connection to the control signal terminal (continued)
2.  RS232C communication
(1) Turn off the projector and computer power supplies and connect with the RS232C cable.
(2) Turn on the computer power supply and, after the computer has started up, turn on the projector power supply.
(3) Refer to page 21 and set the communication speed and the number of communication bits.
(4) Start RS232C communication.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
RD
TD GND SELO
RTS
1
2
3
4
5
6
7
8
9
CD
RD
TD
DTR
GND
DSR
RTS...

29
Connection to the control signal terminal (continued)
The command code configuration consists of a 2-byte command and the following data.
• The first byte of a command indicates the command type with 3 bits on the MSB side and the data length
with 4 bits on the LSB side.
Projector - computer Computer - projector
‘0xH’ : Error code ‘2xH’ : inquiry code
‘1xH’ : response code ‘3xH’ : setting code
‘70H’ : frame error code ‘4xH’ : default setting code
‘x’ indicates the data length (example: x=2 means a...

30
Connection to the control signal terminal (continued)
Requesting projector status
(1) Send the request code ‘20H’ + 
‘yyH’  from the computer to the projector.
(2) The projector returns the response code ‘1xH’ + ‘yyH’ +data to the computer.
Changing the projector settings
(1) Send the setting code ‘3xH’ + ‘yyH’ +data from the computer to the projector.
(2) The projector changes the setting based on the above setting code.
(3) The projector returns the response code ‘1xH’ + ‘yyH’ +data to the...