CHAPTER 1
INTRODUCTION
1.1 Overview
The PK-900 was designed by AEA to provide you the Amateur the
complete digital operating position when coupled with a Personal
Computer or Computer Terminal. The PK-900 couples your HF or
VHF/UHF (or both) voice transceivers to your computer or terminal so
you can use its keyboard and display to "talk" to other Amateurs.
1.1.1 Capabilities
The PK-900 allows you to transmit and receive all legal Amateur
digital modes that are popular on both HF and VHF. In addition you
can send and receive black-and-white Weather FAX. The PK-900 can
receive other modes such as TDM, NAVTEX and bit-inverted Baudot RTTY.
These capabilities together with SIAM (Signal Identification and
Acquisition Mode) make the PK-900 ideal for the digital Short Wave
Listener as well.
The PK-900 with your Computer or Terminal allows you to transmit and
receive the following modes:
o AX.25 Packet, both HF and VHF (Chapter 4)
o Baudot and ASCII RTTY (Chapter 6)
o AMTOR/SITOR CCIR Rec. 476 and 625 (Chapter 7)
o Morse Code (Chapter 8)
o HF Weather FAX (Chapter 9)
o PACTOR (Chapter 11)
In addition the PK-900 receives the following modes:
o NAVTEX marine broadcasts (Chapter 7)
o TDM (Time Division Multiplex) signals (Chapter 10)
o Bit-inverted Baudot RTTY (Chapter 10)
The PK-900 also has the following special features:
o SIAM for SWLing (Chapter 10)
o PakMail Maildrop for Automatic Packet Message Handling (Chapter 5)
o AMTOR MailDrop Operation (Chapter 7)
o KISS mode for TCP/IP and special Packet applications (Appendix A)
o HOST mode for Host application programs (Technical Manual)
o Dualport operation with gateway (Chapter 4)
1.1.2 Included Components
Your PK-900 Data Controller package contains the following items:
o One PK-900 Data Controller
o PK-900 Operating Manual (this manual)
o Cables to connect your PK-900 to two separate radios
o Connector package to help set up your PK-900
o Radio Port "Loop-back" connector with jumper
o RS-232 Serial Cable with a DB-25 connector
3/93 1-1
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