Hitachi CP-A200 Projector User Manual


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7
RS-232C Communication
56&&RPPXQLFDWLRQ
Connecting the cable
1.
7XUQRIIWKHSURMHFWRUDQGWKHFRPSXWHU
2.
&RQQHFWWKH&21752/SRUWRIWKHSURMHFWRUZLWKD56&SRUWRI
WKHFRPSXWHUE\D56&FDEOHFURVV8VHWKHFDEOHWKDWIXO¿OOVWKH
VSHFL¿FDWLRQVKRZQLQWKHSUHYLRXVSDJH
3.
7XUQWKHFRPSXWHURQDQGDIWHUWKHFRPSXWHUKDVVWDUWHGXSWXUQWKH
SURMHFWRURQ
Communications setting
ESV1
1. Protocol
&RQVLVWRIKHDGHUE\WHVFRPPDQGGDWDE\WHV
2. Header
%(()&5&BORZ&5&BKLJK
&5&BORZ/RZHUE\WHRI&5&ÀDJIRUFRPPDQGGDWD
&5&BKLJK8SSHUE\WHRI&5&ÀDJIRUFRPPDQGGDWD
3. Command data
&RPPDQGGDWDFKDUW
E\WHB E\WHB E\WHB E\WHB E\WHB E\WHB
Action 7\SH Setting code
low KLJK low KLJK low KLJK
$FWLRQE\WHB
Action &ODVVL¿FDWLRQ &RQWHQW
1 Set &KDQJHVHWWLQJWRGHVLUHGYDOXH
2 Get 5HDGSURMHFWRULQWHUQDOVHWXSYDOXH
4 Increment ,QFUHPHQWVHWXSYDOXHE\
5 'HFUHPHQW 'HFUHPHQWVHWXSYDOXHE\
6 Execute Run a command.
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
&21752/SRUW 56&FDEOHFURVV 56&SRUW
RIWKHSURMHFWRU RIWKHFRPSXWHU
 &'
5' 5'
7' 7'
 '75
*1' *1'
 '65
RTS (7) (7) RTS
&76 '76
- (9) (9) RI
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