User's Manual

PIN Pad 791 Programmer’s Manual (PCI POS-A) UDN PM0103-U Rev. 06
Section 11 – ICC / SAM / Magnetic stripe card manipulating messages 2015-04-20
Page278
Uniform Industrial Corp. Proprietary and Confidential Total 342 pages
Message Q2Transaction Completed
Format: <STX>Q2<ETX>[LRC]
Message length: Fixed 5 bytes.
Usage: Indicate that a transaction is now completed. The PIN pad will display a “Thank You”
message for three seconds and then goes to IDLE state.
Note: This message can also be used on PIN transaction (70, Z60, Z62)
Message element:
Field Length Value and description
<STX> 1 <02>
Q2 2 Message ID
<ETX> 1 <03>
[LRC] 1 Checksum
Message flow:
HOST Direction PIN pad
Message Q2


<ACK> (Good LRC)
<NAK> (Bad LRC)
<EOT> (after 3 NAKs)
Display “Thank You”
for 3 seconds, followed
by idle prompt.