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MFJ-1278B MULTI-MODE SYSTEM MESSAGES

FRMR rcvd:

This message is followed by a display of the FRMR packet received in the trace display

format. This format is explained in the TRACE command entry. This message will not

appear if your MFJ-1278B is in Transparent Mode.

***LINKOUTOFORDER, possible dataloss[opt.daytime stamp]:

This message indicates failure of a CONPERMed. One or more packet nodes in the link

have failed. The time of failure may be appended to this error message if the stamping mode

is on.

Table of Contents1
Introduction9
Computer Interfacing12
- MFJ Starter Packs12
- Computer Interface with MFJ Starter Pack13
- Computer Interface Without MFJ Starter Pack13
Serial Port Signals13
Computer with Specific Serial Interfaces14
- Apple Macintosh14
- Commodore C64, C128 and VIC-2015
- IBM Pcjr15
- Radio Shack Color Computer16
- Color Computers16
- IBM PC/XT/AT/386/486 and Compatibles Computer16
- Other Computers with Nonstandard Serial Ports17
Terminal Software Requirements18
- Apple Macintosh18
- Apple II, II+, Iie, IIC18
- Commodore C64, C128 and VIC-2019
- IBM Pcjr19
- IBM and Compatible Computers19
- Radio Shack Color Computer20
- Radio Shack Model 100/102 and NEC 820120
Mfj-1278B Serial Port Pin Functions20
Computer Baud Rate21
- Autobaud21
- Changing Terminal Baud Rate22
Verifying Serial Port Operation23
Parallel Printer Port24
- Printer Port Connection24
- Printer Consideration25
- Printer Port Test25
Radio Interfacing26
- MFJ-1278B Radio Ports26
Radio Ports Connection27
Handheld Radio Connection28
Radio Interfacing Methods29
- Method 1: Direct Connection to Microphone and Speaker29
  - Transmit Audio Level Adjustment for Method I Interface29
  - Setting the Receiver Audio Input Level30
Fsk Connection37
Getting Started38
- First Steps38
  - Basic Commands38
Serial Port Configuration39
- Parity and Word Length40
- Echos40
- New Lines and Line Wrapping41
The Mfj-1278B Multi-Mode Modem42
Operational Modes43
- Verifying Operation Status43
- Mode Switching with the MODE Command43
- Radio Port Switching44
Memory Buffers44
- Loading the Memory Buffers45
- Transmitting the Memory Buffers45
- Buffer Serial Numbering45
- Memory Repeat and Buffer Repeat Time46
- Chaining the Memory Buffers46
Tuning Indicator47
Packet Operation48
- VHF Packet48
Basic Hf Packet Operation57
- HF Packet Operation Hints58
Pactor59
- What Is Pactor59
- PACTOR Operation59
- FEC Unproto Operation60
- Pactor Arq61
  - Changeover61
  - Monitoring61
- Monitoring AMTOR ARQ Requests62
- Exiting PACTOR Mode62
- Connect64
- Speedup/Speeddown64
- Automatic On-Line Compression64
- Flow Control64
- AMTOR While in PACTOR Mode64
- Amtor Detection in Pactor65
Pactor Status Indicators65
Pactor Mailbox66
- Setting up Your Pactor Mailbox66
- General Overview68
  - Detailed Pactor Mailbox Overview71
- Mailbox Messages75
Cw Operation76
- Receiving CW77
- Transmitting CW78
  - Transmitting from Memory Buffers79
  - CW Weighting79
- Tuning Your Radio80
- Random Code Generator80
  - Setting up the for Code Practice81
Cw Contest Memory Keyer Operation82
- Sending CW with External Key Paddle82
Modulated Cw Operation83
Baudot Rtty & Ascii Operation84
- Setting up for ASCII and RTTY Operation84
- RTTY and ASCII Receiving85
- RTTY and ASCII Transmitting85
- Baudot Rtty Operation Hints86
  - Commercial RTTY Reception87
Automatic Signal Analysis88
- Asa Operation88
Mars Operation90
- Configuring for MARS90
- Operating MARS with Multicom for IBM91
  - The Marsmode Command91
    - MARSMODE 1- QSO Mode92
    - MARSMODE 3- Storage Mode92
Amtor Operation93
- Mode a "ARQ93
- Summary of AMTOR Contact Sequence98
Navtex Operation99
- Navtex Stations and Frequencies99
Fax Operation102
- FAX Formats103
- FAX Frequency104
- FAX Installation104
- Printer Connection104
- Receiving FAX105
  - Receiving FAX to the Printer105
  - Display FAX Picture on Computer Screen & Save It to Disk107
    - Two Level FAX Picture Format107
    - Multi-Level FAX Picture Raw Data Format108
- Transmitting FAX109
  - Two Level FAX Transmitting109
  - Multi-Level FAX Transmitting110
- Creating FAX Pictures for Transmitting112
Slow Scan Television Operation113
- SSTV Formats114
- SSTV Installation114
  - Printer Connection114
- Receiving SSTV Pictures115
- Transmitting SSTV Pictures119
- Creating SSTV Pictures for Transmitting120
Advanced Packet Operation122
Special Characters122
Packet Operating Modes123
- Command Mode123
- Entering Data-Transfer Modes124
- Converse Mode125
- Transparent Mode126
Flow Control127
- XON/XOFF Flow Control128
- Hardware Flow Control129
- Type-In Flow Control129
Detailed Vhf Packet Operation129
- Station Identification129
- Monitor Functions135
- Real-Time Clock and Time Stamping136
- Multi-Connect Guide137
  - Setting the MFJ-1278B to Normal Operation137
  - How Do I Invoke Multi-Connect137
- Easy-Mail Mailbox138
- Slotting and Acknowledgment Priority152
- Packet Picture Transfer159
  - Printing Packet Pictures Thru Built-In Printer Port159
    - Using PKTPIX159
  - Packet Picture Transfer to the Computer Screen159
Detailed Hf Packet Operation160
- Radio Setup for HF Packet Operation160
- Operating HF Packet163
Mfj-1278B Kiss Mode, Tnc-2 Mode, Host Mode169
Kiss Interface for Tcp/Ip169
Command Preface171
Entering Commands171
- Command List172
  - Command Name172
  - Defaults172
- Link Status Messages186
Mfj-1278B Specifications303
General Description304
Detailed Circuit Description305
- Oscillator305
- Dividers and Baud-Rate Generator305
- CPU Complex306
- Serial Interface306
- Watch-Dog Timer317
- Modem317
- Power Supply320
Cw Modem Tune-Up Procedure344
Audio Output Calibration348
Hf Radio Alignment350
First Method: Noise Average Frequency350
Second Method: Filter Skirt Average Frequency351
Mfj-1278B 2400 Bps Packet354
Bps Packet Setup354
Jumper Functions and Locations356
Jumper Functions356
Command Summary360
Command Summary370
Mfj-1278B/1278Bt Parts List371
- Data Link Layer403
Hdlc Frames403

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MFJ Multi-mode Data Controller MFJ-1278B Specifications

General

Brand	MFJ
Model	Multi-mode Data Controller MFJ-1278B
Category	Controller
Language	English

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