Hitachi Cp-S845w Users Manual

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3. Example of computer signal
Note 1: Signal mode
Note 2: MAC adapter is necessary to the resolution mode.
Projector is compatible with 13 inch mode and 16 inch mode.
MAC13mode=switch 1 and switch 2 are ON.
MAC16mode=switch 2 and switch 4 are ON.
Note 3:Display mode
Connection to the RGB signal terminal(continued)
ON
OFF
123456
(Example 16inch mode)
Caution•Some input source may not be displayed properly because they are not compatible with the
projector.
•Some input source may not be...

224. Initial set signals
The following signals are initially set. The settings may be different depending on the computer type. In
this case, adjust the settings referring to pages 16, 17.
Connection to the RGB signal terminal(continued)
Back porch(b)
Back porch(b)
DATA
HSYNC
DATA
VSYNC
Sync.(a)Front porch(d)
Active(c)
Sync.(a)Front porch(d)
Active(c)
Computer/signalHorizontal Timing (µs)
abcd
VGA-1 3.8 1.9 25.4 0.6
VGA-2 3.8 1.9 25.4 0.6
VGA-3 3.8 1.9 25.4 0.6
Mac 13 mode 2.1 3.2 21.2 2.1
VGA-3 (72Hz)...

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1. Control signal terminal
Connection to the control signal terminal
2. Mouse emulation
5 1
10
6
15
11
D-sub 15pin shrink terminal (Male)
CautionTurn off the power of both the projector and computer before connecting.
Connect the computer to the control terminal of the projector using an appropriate cable.
Refer to the instruction manual of each device before connecting.
(1)  Connect the projector and the mouse terminal of computer using an appropriate cable, while the
projector and the...

24
Connection to the control signal terminal (continued)
PS/2 mouse
ADB (Mac) mouse
21
43
65
21
43
65
87
109
1211
1413
15
CLK
D ATA
SEL0
RTS
GND+5VD ATA
GND
+5V
CLK
21
43
65
21
43
87
109
1211
1413
15
RTS
GND+5VADB
GND+5V (
POWER ON)
D ATA
21
43
65
21
43
Projector Computer
Mini Din 6pin
Mini Din 4pin PS/2 cable
ADB cable (Option)
Serial mouse
21
43
65
21
43
65
87
10987
9
1211
1413
15
RICD
RD
TD
DTR
GND
DSR
CTS RTS
RTS
GND SEL0
TD2143
6
5
897
D-sub 9pin
Serial cable (Option)
CautionCommunication via...

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Connection to the control signal terminal (continued)
3. Communication
(1) Connect the projector and computer using RS 232C cable.
(2) Turn off the computer and after computer is setting up, turn on the projector.
(3) Select the data speed (COM.SPEED) and the data format (COM.BITS) of the projector. (See page 19)
(4) Start communication.
4. Control command table
Control command table
2
1
4
3
6
5
2
1
4
3
6
5
8
7
10
9
8
7
9
12
11
14
13
15
RICD
RD
TD
DTR
GND
DSR
CTS RTS
RTS
GND SEL0
RDP
TDP2143...

26
Connection to the control signal terminal (continued)
Command data
Caution
If computer sends the undefined command code or data code, Projector can not guarantee operation.
Command is consisted of 2 command bytes and following data bytes.
1-st byte indicates the kinds of commands and the length of command.
0xH : Error-reply Projector sends to computer.
1xH : Command reply Projector sends to computer.
2xH : Ask  command Computer sends to Projector.
3xH : Set command Computer sends to Projector.
4xH :...

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The procedure of getting the Projector status
(1)Computer sends the command 20H+yyH to Projector.
(2)Projector reply the command 1xH+yyH+data bytes.
The procedure of setting the Projector status
(1)Computer sends the command 3xH+yyH+data bytes.
(2)Projector changes it’s status.
(3)Projector reply the command 1xH+yyH+data bytes which indicate status.
The procedure of default setting the Projector status
(1)Computer sends the command 40H+yyH
(2)Projector changes its status to default setting....

28
S-VIDEO IN
RGB IN
CONTROL
AUDIO
OUT AUDIO IN
12RGB OUT 12
VIDEO IN
AUDIO IN
L
R
MONO
Example of system setup
Connecting various equipment.
AC Inlet
Computer(Desk type)Computer (Note type)
VTR with S-VHS out
(video model only)
VTR, etc.
(video model only)
CRT Display
Audio amplifying equipment 

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Clean the air filter about every 100 hours.
Cleaning the air filter
Turn the main power switch off and disconnect the power
plug from the power outlet.
1
Remove the front filter cover.2
Clean the air filter using a vacuum cleaner.
•When air filter is very dirty, wash it using neutral detergent diluted with water, and dry well.3
Attach the air filter on the cover.4
Caution•If air filter is strutted with dust, etc., protection circuit will turn the power off.
•Do not use with removed air...

30
Lamp
Light source lamp has a service life.
The picture will become dark or color will be poor when the lamp is used for a long time.
If usage of lamp is continued in such cases, it could cause a malfunction. Replace lamp with new one.
As reference for replacement time, indicator will operate or message will be displayed when the power is
turned on, as shown on page 32. In these cases the lamp should be replaced. Consult your dealer.
1. How to replace lamp
Turn the main power switch off and disconnect...