CDK-111A-Lite Owner's Guide - Ross Video

03 A Status response from the CDK-111A-Lite in reply to a Query, can beeither a statement of its particular command function parameters asrequested, or ‘command-initiated’ and ‘command-completed’ responses asrequested.04 Acknowledge to a command, status response.05 Not Acknowledge to a command, status response.Data Field Descriptions82 = Data field byte length, not including itself, including the data field byte lengthbyte, the sub-command field byte, and the actual data field byte(s), in ASCII Hex.All byte counts can be encoded as one or two bytes. If the most significant bit of thefirst byte is set, then the byte count consists of only one byte. This encoding allowsup to 127 bytes to be represented with a single byte while up to 32,767 bytes withtwo bytes.01 = Sub-command field, the command-specific number, in Hex.77 = A sample command-specific data field in Hex. The command-specific datafields and their binary parameters are defined in the command sections following thisoverview.Footer Field Descriptions4F = Single-byte sum of all fields between the message byte length and the last datafield, inclusive, MSB (most significant byte) first. The sum of all message fields plusthe checksum value should equal 0.4-26 • Appendix A. Serial Protocols CDK-111A-Lite • Owner’s Guide v4B