Philips BDL3221V User manual - Page 91
General sequence: frame format, Acknowledge to general sequence: frame format, Picture Group
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Note: While Standby bit is set, the SICP engine accepts only STANDBY command in miscellaneous group is accepted. 3.2.3 General sequence: frame format A message can be sent to the monitor to execute a command or to ask for any information; each message is enclosed in a frame, which consists of the following: ... where: = , i.e. ASCII characters [1Bh] and [24h]. = 3 ASCII characters each of which ranging from [30h] to [39h], which are used as monitor address. = An ASCII character that identifies the command type selected among the list below: [47h] [4Dh] [50h] [41h] [44h] = Geometry Group = Miscellaneous Group = Picture Group = Audio Group = Debug Group(Reserved) = Two ASCII characters (ranging from [30h] to [39h], i.e. digits to , and from [41h] to [5Ah]), i.e. letters to ), defining the command. ... = Two ASCII characters (ranging from [30h] to [39h], i.e. digits to , and from [41h] to [46h]), i.e. letters to ), representing the hex value of the data, or one ASCII characters when data are text strings. Write commands may become a request for the current value when only = (i.e. [3Fh]) is sent. = , i.e. the ASCII character [3Bh]. 3.2.4 Acknowledge to general sequence: frame format Once the monitor has received a general command sequence, it returns a message that is one of the following when no data are expected as part of the answerback: In case data are expected, then the message becomes: Philips [ NAME ] 2838 100 05424 23 140 09