SPA top-level constant

String const SPA

Start Of Guarded Area.

SPA is used to indicate that the active presentation position is the first of a string of character positions in the presentation component, the contents of which are protected against manual alteration, are guarded against transmission or transfer, depending on the setting of the GUARDED AREA TRANSFER MODE (GATM) and may be protected against erasure, depending on the setting of the ERASURE MODE (ERM). The end of this string is indicated by END OF GUARDED AREA (EPA).

NOTE

The control functions for area definition (DAQ, EPA, ESA, SPA, SSA) should not be used within an SRS string or an SDS string.

Implementation

const String SPA = '${ESC}V';