DSR top-level constant

String const DSR

Device Status Report.

Representation: CSI s \x6E

Parameter default value: s = 0

DSR is used either to report the status of the sending device or to request a status report from the receiving device, depending on the parameter values:

  • 0 - ready, no malfunction detected
  • 1 - busy, another DSR must be requested later
  • 2 - busy, another DSR will be sent later
  • 3 - some malfunction detected, another DSR must be requested later
  • 4 - some malfunction detected, another DSR will be sent later
  • 5 - a DSR is requested
  • 6 - a report of the active presentation position or of the active data position in the form of ACTIVE POSITION REPORT (CPR) is requested

DSR with parameter value 0, 1, 2, 3 or 4 may be sent either unsolicited or as a response to a request such as a DSR with a parameter value 5 or MESSAGE WAITING (MW).

Implementation

const String DSR = 'n';