Hitachi CP-WX625 User Manual - Page 139
TCP #9715]
UPC - 050585151444
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Command Control via the Network (continued) Decreasing the projector setting value (Decrement command) 7KH3&VHQGVWKHIROORZLQJGHFUHPHQWFRGHWRWKHSURMHFWRU Header + Command data ('05H' + '00H' + type (2 bytes) + '00H' + '00H') 7KHSURMHFWRUGHFUHDVHVWKHVHWWLQJYDOXHRQWKHDERYHVHWWLQJFRGH 7KHSURMHFWRUUHWXUQVWKHUHVSRQVHFRGH'06H'WRWKH3& When the projector cannot understand the received command :KHQWKHSURMHFWRUFDQQRWXQGHUVWDQGWKHUHFHLYHGFRPPDQGWKHHUURUFRGH'15H' LVVHQWEDFNWRWKH3& 6RPHWLPHV WKH SURMHFWRU FDQQRW SURSHUO\ UHFHLYH WKH FRPPDQG ,Q VXFK D FDVH WKHFRPPDQGLVQRWH[HFXWHGDQGWKHHUURUFRGH'15H' LVVHQWEDFNWRWKH3&,I WKLVHUURUFRGHLVUHWXUQHGVHQGWKHVDPHFRPPDQGDJDLQ When the projector cannot execute the received command. :KHQWKHSURMHFWRUFDQQRWH[HFXWHWKHUHFHLYHGFRPPDQGWKHHUURUFRGH'1CH' + 'xxxxH'LVVHQWEDFNWRWKH3& :KHQ WKH GDWD OHQJWK LV JUHDWHU WKDQ LQGLFDWHG E\ WKH GDWD OHQJWK FRGH WKH SURMHFWRULJQRUHWKHH[FHVVGDWDFRGH&RQYHUVHO\ZKHQWKHGDWDOHQJWKLVVKRUWHU WKDQLQGLFDWHGE\WKHGDWDOHQJWKFRGHDQHUURUFRGHZLOOEHUHWXUQHGWRWKH3& When authentication error occurred. :KHQDXWKHQWLFDWLRQHUURURFFXUUHGWKHHUURUFRGHWKH'1FH' + '0400H' is sent EDFNWRWKH3& NOTE 2SHUDWLRQ FDQQRW EH JXDUDQWHHG ZKHQ WKH SURMHFWRU UHFHLYHV DQ XQGH¿QHGFRPPDQGRUGDWD 3URYLGHDQLQWHUYDORIDWOHDVWPVEHWZHHQWKHUHVSRQVHFRGHDQGDQ\RWKHUFRGH &RPPDQGVDUHQRWDFFHSWHGGXULQJZDUPXS [TCP #9715] 1. Protocol &RQVLVW RI KHDGHU E\WH GDWD OHQJWK E\WH FRPPDQG GDWD E\WHV FKHFNVXPE\WHV FRQQHFWLRQ,'E\WH 2. Header )L[HG 3. Data Length 1HWZRUNFRQWUROFRPPDQGVE\WHOHQJWK')L[HG 4. Command data 1HWZRUNFRQWUROFRPPDQGVWKDWVWDUWZLWK%(()E\WHV 5. Check Sum 7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKHORZHUELWVIURPWKHKHDGHU WRWKHFKHFNVXP 6. Connection ID 5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHGWRWKHUHSO\GDWD 11