MFJ MFJ-1270C Manuals

MFJ MFJ-1270C Manuals

Manuals and User Guides for MFJ MFJ-1270C. We have 1 MFJ MFJ-1270C manual available for free PDF download: System Manual

MFJ MFJ-1270C System Manual

MFJ MFJ-1270C System Manual (264 pages)

Packet Radio Controller

Brand: MFJ | Category: Controller | Size: 1 MB

Table of Contents

Table of Contents
4
Introduction
10
- Items Supplied with MFJ TNC Package
  11
- Optional Items Available for the MFJ TNC
  12
Computer Interfacing
13
Radio Interfacing
29
- MFJ TNC Radio Port
  29
  - Radio Port Connection
    30
  - Handheld Radio Connection
    30
- Radio Interfacing Methods
  32
Getting Started
39
- First Steps
  39
  - Basic Parameters Setup
    40
- Serial Port Configuration
  40
  - Parity and Word Length
    41
  - Echos
    41
  - New Lines and Line Wrapping
    42
- Tuning Indicator (MFJ-1274C)
  43
- Packet Operation
  43
  - VHF Packet
    43
    
    A Connecting and Disconnecting Exercise
    44
    
    Digipeating
    46
    
    Unsuccessful Connections
    47
    
    Monitoring Channel Activity
    48
    
    Your First Packet QSO
    49
    
    Starting the QSO
    50
    
    Digipeating
    51
    
    Monitoring on the Air
    52
  - Special Input Characters
    52
  - HF Packet Basic Operation
    54
    
    HF Packet Operation Hints
    56
- Fax Operation
  56
  - Fax Frequency
    57
    
    Fax Station Frequencies
    58
    
    Other FAX Frequencies
    58
Advanced Packet Operation
59
- Special Characters
  59
Packet Operating Modes
61
- Command Mode
  61
  - Entering Data-Transfer Modes
    62
  - Converse Mode
    63
  - Transparent Mode
    64
- Flow Control
  66
  - XON/XOFF Flow Control
    67
  - Hardware Flow Control
    68
  - Type-In Flow Control
    68
- Detail VHF Packet Operation
  69
  - Station Identification
    69
  - Automatic Operations
    69
  - Unattended Operations
    71
  - Packet Formatting
    71
  - Packet Timing Functions
    72
    
    Transmit Timing
    72
    
    Packet Timing
    74
    
    Radio Baud Rate
    75
    
    Special Protocol Times
    76
- Monitor Functions
  76
- Real-Time Clock and Time Stamping
  79
- Multi-Connect Guide
  79
  - Setting the MFJ TNC to Normal Operation
    79
  - How to Invoke Multi-Connect
    80
- Easy-Mail Mailbox
  81
  - Set up Your Easy-Mail Mailbox
    81
  - Mailbox Operation
    87
    
    Additional Mailbox Features
    91
    
    Forwarding
    92
    
    Chat Mode
    93
    
    Eliciting Reverse Forwards
    93
    
    Page SYSOP
    93
    
    Remote Heard Log
    93
    
    Abort
    94
    
    Idle Timeout
    94
    
    Mailbox Ctext
    94
    
    Remote SYSOP
    94
- Mailbox Messages
  95
Slotting and Acknowledgment Priority
97
- Description
  98
  - New Parameters
    99
  - Other Related Parameters
    102
  - Initial Parameter Settings Summary
    103
  - What to Expect
    104
- Packet Picture Transfer
  105
  - Receiving Packet Pictures on Printer
    105
  - Packet Picture Transfer to the Computer Screen
    106
- Detail HF Packet Operation
  106
  - Radio Setup for HF Packet Operation
    106
- HF Packet Operation
  110
- Mfj Tnc Kiss Mode and Host Mode
  117
  - KISS Interface for TCP/IP
    118
Operation Commands
119
- Command Name
  120
  - Default
    121
  - Parameters
    122
  - Mailbox Messages
    206
Command Mode Error Messages
207
- Link Status Messages
  209
Hardware
213
- General Description
  214
  - Oscillator
    215
  - Serial Interface
    216
  - Modem
    218
- Jumper Functions
  220
- HF Tuning Indicator
  225
Troubleshooting
227
- Symptom: TNC Appears Dead
  228
- Symptom: Modem Won't Calibrate or Key Transmitter
  229
Terminal Interface Troubleshooting
230
Packet Radio Protocol
233
- Explanation of Protocol
  233
  - Physical Layer
    233
  - Data Link Layer
    234
  - HDLC Frames
    234
- AX.25 Level Two
  235
Channel Use and Timing Functions
238
Channel Flow Control
240
Radio Hookup
242
Modem Calibration
243
- Modulator and Demodulator Frequency Calibration
  243
  - Method I
    243
    
    HF Modem
    243
    
    VHF Modem
    243
  - Method II
    244
  - Set Modulator Tones Using Built-In Calibration Software
    245
  - Demodulator Center Frequency Alignment
    246
  - Tuning Indicator Alignment
    247
- MFJ-TNC Adjustment Location Map
  248
- Audio Output Calibration
  250
- Audio Output Level Adjustment Procedure
  250
Hf Radio Alignment
252
- First Method: NOISE AVERAGE FREQUENCY
  252
- Second Method: FILTER SKIRT AVERAGE FREQUENCY
  252
Mfj-Tnc 2400 Packet Operation
254
- 2400 Packet Operation Setup
  254
  - Receive Audio Setting
    254
  - Transmit Audio Setting
    255
Jumper Functions and Locations
256
Command Summary
259

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