Hitachi CP-X268AWF user manual Command format, Send Data format, +Hdghu, Rqqhfwlrq,

4. Utilize projector – Advanced -

Command format

Command formats differ among the different communication ports. TCP #23

You can use the RS-232C commands without any changes. The reply data format is the same as the RS-232C commands. However, the following reply will be sent back in the event of authentication failure when authentication is enabled.

<Reply in the event of an authentication error>

Reply

Error code

0x1F

0x04

0x00

TCP #9715

Send Data format

The following formatting is added to the header (0x02), Data length (0x0D), Checksum (1byte) and Connection ID (1 byte) of the RS-232C commands.

	Header	Data	RS-232Ccommand	Checksum	Connection
		length			ID
	0x02	0x0D	13 bytes	1 byte	1 byte
+HDGHU			[)L[HG
'DWDOHQJWK			56&FRPPDQGVE\WHOHQJWK[')L[HG
56&FRPPDQGV			56&FRPPDQGVWKDWVWDUWZLWK[%([()E\WHV
&KHFN6XP			7KLVLVWKHYDOXHWRPDNH]HURRQWKHDGGLWLRQRIWKHORZHU
			8 bits from the header to the checksum.
&RQQHFWLRQ,'			5DQGRPYDOXHIURPWR7KLVYDOXHLVDWWDFKHGWR
			the reply data)

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