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Multi-mode Data Controller MFJ-1278B
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MFJ-1278B MULTI-MODE TABLE OF CONTENTS
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406
Table of Contents
1
INTRODUCTION
9
COMPUTER INTERFACING
12
SERIAL PORT SIGNALS
13
Apple Macintosh
14
IBM PCjr
15
Radio Shack Color Computer
16
Color Computers
16
Apple II, II+, IIe, IIc
18
Pin 1 Frame Ground
20
Pin 2 Transmit Data
20
Autobaud
21
Changing Terminal Baud Rate
22
Printer Port Connection
24
Printer Consideration
25
Printer Port Test
25
RADIO INTERFACING
26
RADIO PORTS CONNECTION
27
HANDHELD RADIO CONNECTION
28
RADIO INTERFACING METHODS
29
Receiver Audio Setting
34
MONITOR SPEAKER CONNECTION
35
CW INSTALLATION
36
FSK CONNECTION
37
GETTING STARTED
38
SERIAL PORT CONFIGURATION
39
Parity and Word Length
40
New Lines and Line Wrapping
41
OPERATIONAL MODES
43
MEMORY BUFFERS
44
Loading the Memory Buffers
45
Buffer Serial Numbering
45
Chaining the Memory Buffers
46
TUNING INDICATOR
47
PACKET OPERATION
48
Digipeating
50
Unsuccessful Connections
51
Monitoring Channel Activity
51
Your First Packet QSO
53
Starting the QSO
53
Monitoring on the Air
55
Special Input Characters
55
BASIC HF PACKET OPERATION
57
HF Packet Operation Hints
58
What is Pactor?
59
PACTOR Operation
59
FEC Unproto operation
60
PACTOR ARQ
61
Changeover
61
Monitoring
61
Exiting PACTOR Mode
62
Operating Hints
62
Threshold Control Setting
62
PACTOR FEATURE DEFINITIONS
63
CONNECT
64
SPEEDup/SPEEDdown
64
PACTOR STATUS INDICATORS
65
PACTOR MAILBOX
66
General Overview
68
CW OPERATION
76
Receiving CW
77
Transmitting CW
78
CW Weighting
79
Tuning your Radio
80
Random Code Generator
80
MODULATED CW OPERATION
83
RTTY and ASCII Receiving
85
RTTY and ASCII Transmitting
85
BAUDOT RTTY OPERATION HINTS
86
Commercial RTTY Reception
87
AUTOMATIC SIGNAL ANALYSIS
88
MARS OPERATION
90
The MARsmode Command
91
MARSMODE 1- QSO Mode
92
MARSMODE 3- Storage Mode
92
AMTOR OPERATION
93
Operating Mode A
94
Mode B "FEC"
95
Mode S "SELCALL"
95
AMTOR Status LED Indicators
96
AMTOR OPERATION HINTS
96
NAVTEX OPERATION
99
FAX OPERATION
102
FAX Formats
103
FAX Frequency
104
FAX Installation
104
Printer Connection
104
Receiving FAX
105
Receiving FAX to the Printer
105
Two Level FAX Picture Format
107
Transmitting FAX
109
Two Level FAX Transmitting
109
Multi-level FAX Transmitting
110
SSTV Formats
114
SSTV Installation
114
Receiving SSTV Pictures
115
SSTV Printing to the Printer
115
Saving SSTV Pictures to Disk
119
Terminating SSTV Printing
119
Transmitting SSTV Pictures
119
ADVANCED PACKET OPERATION
122
SPECIAL CHARACTERS
122
PACKET OPERATING MODES
123
Entering Data-Transfer Modes
124
Converse Mode
125
Transparent Mode
126
FLOW CONTROL
127
XON/XOFF Flow Control
128
Hardware Flow Control
129
Type-in Flow Control
129
Station Identification
129
Automatic Operations
130
Unattended Operations
131
Packet Formatting
131
Commands Affecting Protocol
132
Packet Timing Functions
132
Transmit Timing
132
Packet Timing
133
Radio Baud Rate
134
Special Protocol Timing
135
Monitor Functions
135
Easy-Mail Mailbox
138
Mailbox Operation
144
Additional Mailbox Features
148
Forwarding:
148
Eliciting Reverse Forwards:
149
Remote Heard Log:
149
Chat Mode:
149
Page SYSOP:
149
Mailbox CText:
150
Idle Timeout:
150
Mailbox Messages
150
Description
152
New Parameters
154
Other Related Parameters
156
What to Expect
157
Packet Picture Transfer
159
Using PKTPIX
159
DETAILED HF PACKET OPERATION
160
Operating HF Packet
163
KISS INTERFACE FOR TCP/IP
169
COMMAND PREFACE
171
ENTERING COMMANDS
171
Command List
172
COMMAND NAME
172
Defaults
172
Parameters
173
Remarks
174
COMMAND EXPLANATION
175
MFJ-1278B SYSTEM MESSAGES
296
PACKET MESSAGES
296
COMMAND MODE ERROR MESSAGES
298
Link Status Messages
300
HARDWARE
303
MFJ-1278B SPECIFICATIONS
303
GENERAL DESCRIPTION
304
DETAILED CIRCUIT DESCRIPTION
305
CPU Complex
306
Serial Interface
306
Watch-dog Timer
307
Power Supply
307
RS-232C HANDSHAKING PROTOCOL
308
JUMPER FUNCTIONS
310
MODEM DISCONNECT HEADER, J4
316
HF TUNING INDICATOR
318
TROUBLESHOOTING
319
GENERAL TESTS
319
Step 1: Power Supply
320
Step 2: Obvious Problems
320
Step 3: Assembly Problems
320
SPECIFIC SYMPTOMS
321
PACKET RADIO PROTOCOL
325
EXPLANATION OF PROTOCOL
325
HDLC FRAMES
326
AX.25 LEVEL TWO
327
CHANNEL FLOW CONTROL
331
RADIO HOOKUP
332
MODEM CALIBRATION
334
Calibration Method II
337
Tuning Indicator Alignment
340
CW MODEM TUNE-UP PROCEDURE
344
AUDIO OUTPUT CALIBRATION
348
HF RADIO ALIGNMENT
350
MFJ-1278B 2400 BPS PACKET
354
2400 BPS PACKET SETUP
354
COMMAND SUMMARY
360
MFJ-1278B/1278BT PARTS LIST
371
Manual Index
388
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