To Next Page

To Previous Page

MFJ-1278B MULTI-MODE BASIC OPERATION

MFJ-1292 "Picture Perfect" Video Digitizer for the IBM and compatible computers allows

you to digitized a picture with a Camcorder or video camera. The digitized picture is stored

to disk and it can be converted to any of the SSTV formats supported the MFJ-1278B.

Converted SSTV picture can be transmitted by the MFJ-1278B.

Contact MFJ Enterprises, Inc. or your MFJ dealer for more information concerning the MFJ-

1292 Video Digitizer.

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

Questions and Answers:

Need help?

Do you have a question about the MFJ Multi-mode Data Controller MFJ-1278B and is the answer not in the manual?

MFJ Multi-mode Data Controller MFJ-1278B Specifications

General

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

Related product manuals

MFJ MFJ-1270C

264 pages

MFJ Multi-mode Data Controller MFJ-1278B User Manual

Table of Contents

Questions and Answers:

MFJ Multi-mode Data Controller MFJ-1278B Specifications

Related product manuals