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1.2 Computer or Computer Terminal Requirements<br />
You will need a Computer or Computer Terminal to "talk to" or control<br />
your <strong>PK</strong>-<strong>232</strong>. If you are using a Computer, you will need a<br />
Communications Program or Terminal Program as it is sometimes called.<br />
The most popular computers are the IBM-PC and its compatibles, the<br />
Apple Macintosh and the Commodore-64/128. These computers can all be<br />
made to work with the <strong>PK</strong>-<strong>232</strong>.<br />
Timewave has terminal programs for IBM PC compatible computers using<br />
Windows 3.1 and Windows 95/98/NT operating systems. If you other types<br />
of computer or operating systems, you must supply your own terminal<br />
program.<br />
The Computer or Computer Terminal you plan to use must have an RS-<strong>232</strong><br />
Serial Communications port. You will also need a Communications<br />
Program that allows your computer to communicate over the RS-<strong>232</strong> port<br />
using the ASCII character set. Details for connecting many computers<br />
can be found in Chapter 2 of this manual.<br />
1.3 Station Requirements<br />
We presume that you already have an operating radio transceiver or<br />
Short-Wave receiver to which you will connect your <strong>PK</strong>-<strong>232</strong>. In the<br />
Amateur bands most of the VHF activity occurs on the 2-meter FM band,<br />
while most of the HF activity occurs on the 20-meter band. An HF<br />
receiver or transceiver must be capable of SSB operation. While no<br />
specific brand of transceiver is required, we recommend that a modern<br />
transceiver (built in the last 20 years) capable of operation on one<br />
of the two frequency bands mentioned above be used. Specific<br />
transceiver connections are described in Chapter 3 of this manual.<br />
1.3.1 System Transmitter-Receiver Performance Requirements<br />
Most modern radio transceivers are capable of excellent performance<br />
in Morse, Baudot and ASCII RTTY, AMTOR and packet radio. Although<br />
AMTOR Mode A (ARQ) operation imposes more demanding switching speed<br />
requirements than the other operating modes, most radios will operate<br />
in both AMTOR modes without any modifications. Radio switching times<br />
are less critical in packet radio operation. See the AMTOR operating<br />
section for further details on timing requirements.<br />
Your <strong>PK</strong>-<strong>232</strong> provides software-controlled timing variations that<br />
permits operation with nearly all the HF and VHF/UHF radios in general<br />
use today.<br />
4/91 1-2<br />
From The <strong>N3UJJ</strong>.COM Document Library
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