Dell LCD TV W3706MH - Manual (Page 2)

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2 RS 232 Command Guide
2.2 Protocol structure
Command structure is used to pop up the OSD menu and adjust the settings. The control
command syntax(From PC to DTV) is
Make sure that All value is Hex.
• Header -> Fixed like wID – EFBE.
• EType –> Fixed like 010.
• wPayloadSize –>Fixed like 0003.
• wCRCPacker – value depending on data sent.
• wMsgID –>Fixed 1111.
• Byte – predefined command. (See section 4. Command List)
2.3 Status code
16bit 8bit 16bit 16bit 16bit 16bit 8bit
wID eType wPayloadSize wCRCPacket wMsgID wMsgSize Byte
EF BE 010 0003 XX/XX 1111 0001 XX
RETURN VALUE REMARKS
SUCCESS 0X00 If success
INVAILDID 0X15 If failed
INVAILDTYPE 0X15 If failed
INVAILDPAYLOAD 0X01 If failed
INVAILDCRC 0X15 If failed
INVAILDMSGID 0X01 If failed
INVAILDMSGSIZE 0X01 If failed
INVAILDBYTE 0X01 If failed