Paxar 9430R - Manual (Page 38)

5-2 Using the Magnetic Card Reader
Command Summary
Command Description
ESC-'M'-#timer#-
-CR
Prepares the reader for a magnetic card
swipe. The reader’s LED turns on when the
printer receives this command, indicating it is
waiting for the user to swipe the card. On a
successful swipe, the LED goes out.
#timer# Sets the reader’s timer. If the user does not
swipe the card through the reader before the
timer runs out, an error occurs. Values are
00-99 (seconds). 00 disables the timer.
The combination of tracks to read.
1 Track 1 only.
2 Track 2 only.
3 Track 3 only.
4 Tracks 1 and 2 together.
5 Tracks 2 and 3 together.
6 Tracks 1, 2, and 3 together.
The reader responds to the read command
with:
#trck#-(data)-'?'-CR-LF-NAK
#trck# Track indicator. Values are %/1/
(track 1), ;/2/ (track 2), and +/3/
(track3).
(data) The data read from the card. This
field can be empty. If an error
occurs, this field contains an E
character and the error message text
(see ”Error Messages”).