*COMDECK CONASYNC 
_ 
*              ----  A S Y N C  BLOCK MODE CONSTANTS  ----
? 
_ 
* * * *  CANNED MESSAGE INDICES FOR PTASEND ROUTINE 
? 
  A2MCR     = 1;                            _CARRIAGE RETURN           ?
  A2MLF     = 2;                            _LINE FEED                 ?
  A2MLFLF   = 3;                            _DOUBLE LINE FEED          ?
  A2MXON    = 4;                            _XON (NON 2741)            ?
  A2MXOFF   = 5;                            _XOFF (NON 2741)           ?
  A2MUNLK   = A2MXON;                       _UNLOCK 2741 KEYBOARD      ?
  A2MLOCK   = A2MXOFF;                      _LOCK 2741 IN RECEIVE MODE ?
  A2MWAIT   = 6;                            _WAIT..                    ?
  A2MREPEAT = 7;                            _REPEAT..                  ?
  
