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USER'S GUIDE
3.4.1.7
Answerback (
The answerback and WRU? functions are widely used in low-speed Baudot TTY, telex,
ASCII and AMTOR/SITOR services to confirm that the traffic is being received by the
proper station and is probably being received correctly.
You can store up to 17 characters in your answerback field. The text string can be
whatever suits your needs. For example, if you handle traffic using Baudot RTTY or AM-
TOR, you can type in a "QSL" string:
o Type
AAB QSL DE MYCALL<Return>
If the station sending traffic to you starts and ends his transmission with the WRU?
character "FIGS D", "$" in Baudot and AMTOR, or <CTRL-E> in ASCII, your PK-232 will
turn on your transmitter, send the message "<CR><LF>QSL DE MYCALL" stored in the
Answerback field (AAB) and then turn your transmitter off and return to the receive sta-
tus.
Note:
3.4.1.8
WRU? (Who Are You)
Use the WRU? feature in Baudot and AMTOR to enable or disable your PK-232's auto-
matic answerback feature. The default value is OFF.
If WRU? is set ON, your PK-232 send your answerback on receipt of a distant station's
WRU? request character "FIGS D" or "$". Your PK-232 turns on your transmitter, sends
the text string stored in the answerback field (AAB) and then turns your transmitter off
and returns to receive status.
These related features can be used in message handling in either direction to confirm
that:
o you are sending to the proper station;
o the distant station is probably receiving your traffic successfully.
3.4.2
Formatting Commands
These commands affect transmitted or displayed signals, or both.
3.4.2.1
Screen Line Length (
ACRDISP
The
<LF> sequence is sent to your computer at the end of a line when
been displayed. If your computer automatically formats output lines, set
(zero) to disable this function.
PK232UG Rev. B 9/86
AAB
)
The <CR><LF> sequence is created by the PK-232 – don't type it as part of
your answerback text.
ACRDISP n
command (default 80) formats your computer's screen display. A <CR>
)
3-14
BASIC OPERATION
n
characters have
ACRDISP
to 0
50
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