Hitachi CP-X809W Home Theater System User Manual


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11
Command Control via the Network (continued)
Decreasing the projector setting value (Decrement command)
7KH3&VHQGVWKHIROORZLQJGHFUHPHQWFRGHWRWKHSURMHFWRU
Header + Command data (‘05H’ + ‘00H’ + type (2 bytes) + ‘00H’ + ‘00H’)
7KHSURMHFWRUGHFUHDVHVWKHVHWWLQJYDOXHRQWKHDERYHVHWWLQJFRGH
7KHSURMHFWRUUHWXUQVWKHUHVSRQVHFRGH‘06H’WRWKH3&
When the projector cannot understand the received command
:KHQWKHSURMHFWRUFDQQRWXQGHUVWDQGWKHUHFHLYHGFRPPDQGWKHHUURUFRGH‘15H’
LVVHQWEDFNWRWKH3&
6RPHWLPHVWKHSURMHFWRUFDQQRWSURSHUO\UHFHLYHWKHFRPPDQG,QVXFKDFDVH
WKHFRPPDQGLVQRWH[HFXWHGDQGWKHHUURUFRGH‘15H’ LVVHQWEDFNWRWKH3&,I
WKLVHUURUFRGHLVUHWXUQHGVHQGWKHVDPHFRPPDQGDJDLQ
When the projector cannot execute the received command.
:KHQWKHSURMHFWRUFDQQRWH[HFXWHWKHUHFHLYHGFRPPDQGWKHHUURUFRGH‘1CH’ +
‘xxxxH’LVVHQWEDFNWRWKH3&
:KHQWKHGDWDOHQJWKLVJUHDWHUWKDQLQGLFDWHGE\WKHGDWDOHQJWKFRGHWKH
SURMHFWRULJQRUHWKHH[FHVVGDWDFRGH&RQYHUVHO\ZKHQWKHGDWDOHQJWKLVVKRUWHU
WKDQLQGLFDWHGE\WKHGDWDOHQJWKFRGHDQHUURUFRGHZLOOEHUHWXUQHGWRWKH3&
When authentication error occurred.
:KHQDXWKHQWLFDWLRQHUURURFFXUUHGWKHHUURUFRGHWKH‘1FH’ + ‘0400H’ is sent
EDFNWRWKH3&
[TCP #9715]
1. Protocol
&RQVLVWRIKHDGHUE\WHGDWDOHQJWKE\WHFRPPDQGGDWDE\WHV
FKHFNVXPE\WHVFRQQHFWLRQ,'E\WH
2. Header
)L[HG
3. Data Length
1HWZRUNFRQWUROFRPPDQGVE\WHOHQJWK')L[HG
4. Command data
1HWZRUNFRQWUROFRPPDQGVWKDWVWDUWZLWK%(()E\WHV
5. Check Sum
7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKHORZHUELWVIURPWKHKHDGHU
WRWKHFKHFNVXP
6. Connection ID
5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHGWRWKHUHSO\GDWD
NOTE2SHUDWLRQFDQQRWEHJXDUDQWHHGZKHQWKHSURMHFWRUUHFHLYHVDQ
XQGH¿QHGFRPPDQGRUGDWD
3URYLGHDQLQWHUYDORIDWOHDVWPVEHWZHHQWKHUHVSRQVHFRGHDQGDQ\RWKHUFRGH
&RPPDQGVDUHQRWDFFHSWHGGXULQJZDUPXS
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