PK-232 MBX – OPERATING MANUAL BAUDOT AND ASCII OPERATION
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After you have an ASCII or RTTY station tuned in, you should start seeing the copy print-
ing on your screen.
If the text you are receiving is garbled, you may be tuned to a transmission at a different
baud rate. Either try tuning in a different station, or see Chapter 10 on SIGNAL IDENTIFI-
CATION to let the PK-232 determine the kind of station you are listening to.
6.3 Transmitter Adjustments
Make sure your PK-232 is adjusted for your SSB transmitter as described in section 3.5 and
3.5.2 of this manual before transmitting.
These are very critical adjustments. If your PK-232's AFSK level and transmitter microphone
gain are not adjusted properly, other stations will not be able to copy your signals. Check
your plate or collector current or the power output of your rig before going on the air.
6.3.1 Going On The Air
Make sure your transmitter and antenna are tuned and adjusted for the band and operat-
ing frequency you are using. If you are using an AEA PAKRATT program, see the program
manual for the proper way to place the PK-232 into RTTY transmit mode.
If you are using a terminal or terminal program, the following will place your PK-232 and
transceiver into the transmit mode.
o Type X for XMIT and then press the <Enter> key to key your transmitter and au-
tomatically enter the Converse mode.
As soon as you type the <Enter> key you will be transmitting. At this point you are also in
the CONVERSE mode and anything you type will be sent in Baudot by your transmitter.
When you are finished transmitting, use one of the following methods to return to re-
ceive.
o Type <CTRL-D> to shut off your transmitter and return to the Command Mode.
o Type <CTRL-F> to send a Morse ID and shut off your transmitter and return to
Command Mode.
o Type <CTRL-C> to return to the Command Mode and then type R to shut down
your transmitter and end the contact.
See the following sections for a sample QSO as well as some Baudot operating hints.
6.4 A Typical Baudot RTTY Contact
As with most amateur operating modes, you can start a contact either by "calling CQ" or by
answering a "CQ" call by another station.
6.4.1 Calling CQ
To call CQ first you must tell your PK-232 to start transmitting.
o Type
X to key your transmitter and start the PK-232 sending.
o Type in your CQ message (use YOUR callsign) such as the one below:
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