Microcom 470 - Manual (Page 17)

Chapter 2 Basic Operation
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470 Operators Manual 9
2.4.3 ON-LINE KEY
Pressing the 'ON-LINE' key causes the printer to suspend the processing of characters
through the communication ports and display the message OFF-LINE. If a character is sent to
the printer when communicating serially, the printer will accept the character and send an X-
OFF (assuming X-OFF has been enabled). The printer will continue to receive characters until
the buffer is full, at which time any further characters will be ignored. The Clear to Send signal
is always low when OFF-LINE.
2.4.4 ALPHA-NUMERIC KEYS
The Alpha Numeric keys are used to modify formats and input variable data into the printer.
The unshifted characters are 0 through 9 and the period. The shift key is pressed once for the
characters ADGJMPSVX$ and the clear key, twice for BEHKNQTWZ%, and three times for
CFILORUZ&.