Epson Multi-mode Data Controller MFJ-1278B User's Manual

Epson Switch User's Manual - Multi-mode Data Controller MFJ-1278B.
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MFJ-1278B MULTI-MODE                               TABLE OF CONTENTS 

Table of Contents 

INTRODUCTION......................................................................................................... 1 
COMPUTER INTERFACING...................................................................................... 4 

MFJ Starter Packs .................................................................................................. 4 
Computer Interface with MFJ Starter Pack ............................................................ 5 
Computer Interface without MFJ Starter Pack ....................................................... 5 

SERIAL PORT SIGNALS ............................................................................................ 5 
COMPUTER WITH SPECIFIC SERIAL INTERFACES............................................ 6 

Apple Macintosh .................................................................................................... 6 
Commodore C64, C128 and VIC-20...................................................................... 7 
IBM PCjr................................................................................................................ 7 
Radio Shack Color Computer ................................................................................ 8 
Color Computers .................................................................................................... 8 
IBM PC/XT/AT/386/486 and compatibles Computer ........................................... 8 
Other Computers with Nonstandard Serial Ports.................................................... 9 

TERMINAL SOFTWARE REQUIREMENTS ............................................................ 10 

Apple Macintosh .................................................................................................... 10 
Apple II, II+, IIe, IIc .............................................................................................. 10 
Commodore C64, C128 and VIC-20...................................................................... 11 
IBM PCjr................................................................................................................ 11 
IBM and Compatible Computers ........................................................................... 11 
Radio Shack Color Computer ................................................................................ 12 
Radio Shack Model 100/102 and NEC 8201 ......................................................... 12 

MFJ-1278B SERIAL PORT PIN FUNCTIONS........................................................... 12 
COMPUTER BAUD RATE ......................................................................................... 13 

Autobaud................................................................................................................ 13 
Changing Terminal Baud Rate ............................................................................... 14 

VERIFYING SERIAL PORT OPERATION................................................................ 15 
PARALLEL PRINTER PORT...................................................................................... 16 

Printer Port Connection.......................................................................................... 16 
Printer Consideration ............................................................................................. 17 
Printer Port Test ..................................................................................................... 17 

RADIO INTERFACING............................................................................................... 18 

MFJ-1278B Radio Ports ........................................................................................ 18 

RADIO PORTS CONNECTION .................................................................................. 19 
HANDHELD RADIO CONNECTION ........................................................................ 20 
RADIO INTERFACING METHODS .......................................................................... 21 

Method 1: Direct Connection to Microphone and Speaker .................................... 21 

Transmit Audio Level Adjustment for Method I Interface ............................... 21 
Setting the Receiver Audio Input Level............................................................ 22 

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