NCR 7169 - RS-232 C technical specifications; Setting extra RS-232 C options

4-120 Communication
The following table shows that with no delay between lines, the transmit time is shorter
than the print time, which allows the printer to print at full speed.
Char/Line Lines/Receipt
Transmit Time:
9600 baud
Transmit Time:
19.2 kilobaud
Print Time
20 20 0.4 seconds 0.2 seconds 0.2 seconds
20 40 0.8 seconds 0.4 seconds 0.4 seconds
44 20 0.88 seconds 0.44 seconds 0.2 seconds
44 40 1.76 seconds 0.88 seconds 0.4 seconds
RS-232C technical specifications
This section describes the pin settings for the connectors and the RS-232C interface
parameters. The RS-232C parameters can be selected in the Diagnostic mode. The
RS-232C parameters must match the host parameters.
Setting extra RS-232C options
The following extra options are available for the RS-232C interface:
• Data errors
• Print ? for data errors (default)
• Ignore data errors