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HP 27130B
Read Device Data, Request Code - 1
Su bfunction code
reserved
toggle character quoting
toggle echo
toggle character editing
toggle signal character detection
toggle character handshakes (X-ON/X-OFF and ENQ/ACK)
See the CAUTION under "Host ENQ/ACK Handshake"
paragraph
Write Device Data, Request Code - 2
Subfunction code
~automatic
output separators appendage
Read Card Information, Request Code
=
4
For the read card information request, the residue count in the read request status block will reflect
the number of bytes of information not returned in the request. This always will be non -zero when
the requested data transfer lengths are not large enough to hold all the information requested.
4-20
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