ViewSonic VT2755LED User Manual - Page 49

ENGLISH Other Information 5. Get-Function Listing The PC can interrogate the LCD Monitor for specific information. The Get-Function packet format consists of 9 bytes which is similar to the Set-Function packet structure. Note that the "Value" byte is always = 00. Get-Function description: Length Total Byte of Message excluding "CR" TV ID Identification for each of TV. The TV ID doesn't be supported by HDTV power status on standby. Command Type Identify command type, "g" (0x67h) : Get Command "r" (0x72h) : Valid command Reply "-" (0x2Dh) : Invalid command Reply Command Function command code: One byte ASCII code Value[1~3] Three bytes ASCII that defines the value CR 0x0D Get-Function format: Send (Command Type= "g") Name Length ID Command Command Value1 Value2 Type Byte Count 1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2~3 4 5 6 7 [NOTE] Get "Power STBY status" is the exception. (Command Type= "g", Only for HDTV power status on standby) Name Length Command Command Value1 Type Value2 Value3 Byte Count 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2 3 4 5 6 Value3 1 Byte 8 CR 1 Byte 7 CR 1 Byte 9 Reply: (Command Type= "r" or "-") If the Command is valid, Command Type = "r" Name Length ID Command Command Value1 Value2 Value3 CR Type Byte Count 1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2~3 4 5 6 7 8 9 [NOTE] The reply for "Power STBY status" command is the exception. It's 0x36 72 6C 30 30 30 0D ( 6rl000). If the Command is valid, Command Type = "r", Only for HDTV power status on standby. Name Length Command Command Value1 Value2 Value3 CR Type Byte Count 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2 3 4 5 6 7 If the Command is Not valid, Command Type= "-" Name Length ID Command CR Type Byte Count 1 Byte 2 Byte 1 Byte 1 Byte Bytes order 1 2~3 4 5 ViewSonic 40 VT2755LED