MSR control byte values

A selection of MSR control byte values has been created for CICS® and stored in the copybook DFHMSRCA. See below for the meaning of each bit. The constants supplied in DFHMSRCA are listed in Table 1.

Table 1. Standard list DFHMSRCA
Constant Meaning
DFHMSRST MSR reset. All lights and buzzers off. MSR available for input.
DFHMSCON Transaction ready for more input. Green and yellow on; emit short buzz; IN PROCESS (user) mode set.
DFHMSFIN Input complete. Green on; emit short buzz; IN PROCESS mode reset.
DFHMSALR Operator alert. Green, yellow, and red on; emit long buzz; IN PROCESS mode reset.
DFHMSALS Operator alert. Green, yellow, and red on; emit long buzz; IN PROCESS mode set.
DFHMSIPY IN PROCESS state set. Yellow on.
DFHMSIPN IN PROCESS state reset.
DFHMSLKY MSR operation inhibited. Yellow on.
DFHMSLKN MSR input allowed. Green on. Yellow on.
DFHMSAEY MSR autoenter on. Yellow on.
DFHMSAEN MSR autoenter off. Yellow on.
DFHMSLBN Long buzzer suppressed. Yellow on.
DFHMSLBY Long buzzer permitted. Yellow on.
DFHMSSBN Short buzzer suppressed. Yellow on.
DFHMSSBY Short buzzer permitted. Yellow on.
DFHMSNOP Leave all MSR settings unchanged.