Communications Setting - Hitachi CP-X980W User Manual
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Also See for CP-X980W:
- User manual (48 pages) ,
- Service manual (42 pages) ,
- Specifications (2 pages)
Table of Contents
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T T
E E
C C
T T
E E
C C
RS-232C communication
(1) Turn off the projector and computer power supplies and connect with the RS-232C cable.
(2) Turn on the computer power supply and, after the computer has started up, turn on the projector
power supply.
D-sub 15-pin shrink jack
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 flag for command data.
CRC_high : Upper byte of CRC flag for command data.
3 Command data
Action
1
2
4
5
6
TECHNICAL - 6
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H H
N N
I I
C C
A A
L L
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H H
N N
I I
C C
A A
L L
( (
Control jack
#
"
!
'
&
%
$
#
"
!
byte_0
byte_1
Action
low
high
Classification
SET
GET
INCREMENT
DECREMENT
EXECUTE
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c c
o o
n n
t t
i i
n n
u u
e e
d d
) )
c c
o o
n n
t t
i i
n n
u u
e e
d d
) )
Projector
1
2
3
4
5
6
SELO
RTS
7
8
9
GND
10
11
12
RD
13
TD
14
15
Command data chart
byte_2
byte_3
Type
low
high
Action (byte_0 - 1)
Change setting to desired value.
Read projector internal setup value.
Increment setup value by 1.
Decrement setup value by 1.
Run a command.
Computer
RS-232C jack
1
D-sub 9-pin
CD
2
RD
3
TD
2
3
1
4
DTR
5
GND
6
7
6
DSR
7
RTS
8
DTS
9
RI
byte_4
byte_5
Setting code
low
high
Content
4
5
8
9
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