Fluke CombiScope PM3370B User Manual page 234

THE CPL PROTOCOL
Response:
acknowledge
Note: approx. 0.5 sec after an <acknowledge> = 0 is received, the
communication parameters are changed to the new values.
Example:
100 PAR$="2400,N,8,1"
110 CTL$=",XONXOFF"
120 PRINT #1,"PC",PAR$,CTL$
130 GOSUB 1000
140 CLOSE #1
150 WT=TIMER
160 WHILE (TIMER-WT) < .5 : WEND
170 COMM$ = "COM1:"+PAR$+",CS0,DS0,CD0"
180 OPEN COMM$ AS #1
CR
:'comm parameters
:'XONXOFF handshake
:'Send command
:'Sync on acknowledge
:'Close the COM Port,
:'Wait 0.5 second
:'Reprogram COM Port
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