Quantum Data 881 - Manual (Page 420)

402 Chapter 11 CEC Interactive Troubleshooting Environment (ITE)
0 // Shows that the ACK bits were logical 0
indicating that it was a directed message
CEC1:BUSM:ACKV? 4 // Queries message in buffer that occurred 3
messages ago for polarity of ack bits
1 // Shows that the ACK bits were logical 1
indicating that it was a broadcast message