PROBLEM: HOT KEY SOFTWARE HANGS UP PC WHEN EXECUTED.
CAUSE: LPTX not rerouted for serial communication.
SOLUTION: Reroute LPTX using this command:
MODE LPTX:=COMX. X=1, 2 or 3.
CAUSE: Floating condition on DSR or CTS lines.
SOLUTION: Use the TERM program to check handshaking lines. Power down Print Master. If DSR, DCD and CTS lines do not toggle, check computer cable (see Appendix A).
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