Programmer's Reference Manual Intermec Fingerprint® v8.70.0 ...

BUSY
Chapter —Program Instructions
Purpose Statement ordering a busy signal, for example XOFF, CTS/RTS, or PE, to
be transmitted from the printer on the specified communication channel.
Syntax BUSY[]
optionally specifies the channel as:
1 = "uart1:"
2 = "uart2:"
3 = "uart3:"
4 = "centronics:"
7 = "uart4:"
8 = "uart5"
Remarks Communication protocol usually contain some “busy” signal, which tells
the host computer that the printer, for some reason, is unable to receive
data.
The BUSY statement allows you to order a busy signal to be transmitted
on the specified communication channel. If no channel is specified, the
signal will be transmitted on the standard OUT communication channel,
see SETSTDIO statement.
To allow the printer to receive more data, use a READY statement.
For the optional "centronics:" communication channel, BUSY/READY
control the PE (paper end) signal on pin 12 according to an error-trapping
routine (BUSY = PE high).
Example You may, for example, want to prevent the printer from receiving more
data on "uart2:" during the process of printing a label (running this
example requires an optional interface board to be fitted):
10 FONT "Swiss 721 BT"
20 PRTXT "HELLO!"
30 BUSY2
40 PRINTFEED
50 READY2
RUN
Intermec Fingerprint v8.70.0/v10.0.0 Programmer´s Reference Manual 1