MFJ MFJ-998 Manuals

Manuals and User Guides for MFJ MFJ-998. We have 2 MFJ MFJ-998 manuals available for free PDF download: Instruction Manual

MFJ MFJ-998 Instruction Manual (52 pages)

Automatic Antenna Tuner

Brand: MFJ | Category: Tuner | Size: 0 MB

Table of Contents
3
The Basics
7
- Introduction
  7
- Features
  8
- Specifications
  8
- Transceiver Protection
  9
- Amplifier Protection
  9
- Fast Start
  10
- Front Panel
  11
  - Swr/Wattmeter
    11
  - Wattmeter Zero Scale Adjustment
    11
  - Figure 1. Typical Installation Block Diagram
    11
  - Figure 2. MFJ-998 Front Panel
    11
  - Wattmeter Full Scale Adjustment
    12
  - LCD Display
    12
  - LCD Contrast Control
    12
  - ANT Button
    12
  - MODE Button
    12
  - C-UP and C-DN Buttons
    12
  - L-UP and L-DN Buttons
    12
  - TUNE Button
    13
    
    Stickytune TM
    13
    
    Automatic/Semi-Automatic Tuning Mode
    13
  - POWER Button
    13
  - Figure 3. Mode Button Flow Chart and Button Action
    14
- Back Panel
  15
  - Amp Enable in
    15
  - Amp Enable out
    15
  - Power
    15
  - Radio Interface
    15
    
    Figure 4. MFJ-998 Back Panel
    15
    
    Figure 5. Radio Interface Connector
    15
    
    Figure 6. Alinco Interface Cable
    16
    
    Figure 7. Icom Interface Cable
    16
    
    Jumper JP1
    16
    
    Figure 8. Kenwood Interface Cable
    17
    
    Figure 9. Yaesu Interface Cable (FT-100/-450/-857/-897/-950)
    17
  - Serial Port
    18
  - Transmitter
    18
  - Ground
    18
  - Wire
    18
  - Antenna 1
    18
  - Antenna 2
    18
  - Figure 10. Yaesu Interface Cable (MP/2000/9000 Series)
    18
  - Figure 11. Yaesu Interface Cable (FT-2000 Series)
    18
- Installation
  19
- Swr/Wattmeter
  19
- Figure 12. Swr/Wattmeter
  19
The Menus
20
- Main Mode Menus
  20
  - Digital Wattmeter Menu
    20
  - Power Bar Meter Menu
    20
  - SWR Bar Meter Menu
    21
  - L-Network Menu
    21
  - Figure 13. Power Bar Meter (High Range)
    21
  - Figure 14. Power Bar Meter (Low Range)
    21
  - Figure 15. SWR Bar Meter
    21
- Tuner Indicators
  22
  - Antenna
    22
  - Radio Interface
    22
  - Amp Relay Enable
    22
  - Figure 16. Main Mode Menus Display
    22
  - Memory
    23
  - LC Limit
    23
  - Auto Range
    23
  - Auto/Semi
    23
  - Stickytune
    23
  - Figure 17. Tuner Indicators
    23
- Setup Mode Menus
  24
  - Target SWR Menu
    24
  - Auto Tune SWR Menu
    24
  - Amp Bypass SWR Menu
    24
  - Meter Range Menu
    25
  - Peak Hold Menu
    25
  - Memory Menu
    25
  - Table 1. Memory Resolution
    25
  - Intellitune Menu
    26
  - SWR Beep Menu
    26
  - Beep Menu
    26
  - Refresh Menu
    26
  - Radio Interface Menu
    26
  - Push Tune <0.5S Menu
    27
  - LC Limit Menu
    27
Operation
27
- Manual Tuning
  27
- Morse Code and Beeps
  28
- Transceiver Foldback
  29
- Table 2. Tuner Beeps
  29
- Grounding Hints
  30
- Antenna System Hints
  30
  - Coaxial Cable Selection
    30
  - Location
    30
  - Matching Problems
    31
Appendices
32
- Resetting the Tuner
  32
  - Factory Defaults
    32
  - Figure 18. Power-On Operations
    32
  - Disable Radio Interface
    33
  - Delete Entire Antenna Memory
    33
  - Delete Antenna Memory Bank
    33
  - Total Reset
    33
- Self Test
  34
- Table 3. Failure Messages
  34
- Power-Down Circuit Test
  35
- Relay Test
  35
- Analog Meter Calibration
  35
- SWR Bridge Calibration
  36
- Frequency Counter Calibration
  37
- Alinco Radio Interface
  38
  - Connections
    38
  - Operation
    38
- Icom Radio Interface
  39
  - Connections
    39
  - Operation
    39
- Kenwood Radio Interface
  40
  - Connections
    40
  - Operation
    40
- Yaesu Radio Interface/Mfj-5114Y
  41
  - Connections for FT-100
    41
  - Operation for FT-100
    41
  - Connections for FT-450
    42
  - Operation for FT-450
    42
  - Connections for FT-857 or FT-897
    43
  - Operation for FT-857 or FT-897
    43
  - Connections for FT-950
    44
  - Operation for FT-950
    44
- Yaesu Radio Interface/Mfj-5114Y3
  45
- Yaesu Radio Interface/Mfj-5114Y4
  47
  - Connections for FT-2000 Series of Radios
    47
  - Operation for FT-2000 Series of Radios
    47
- In Case of Difficulty
  48
- Technical Assistance
  48
- List of Accessories
  48
- Circuit Block Diagram
  49
- Figure 19. MFJ-998 Circuit Block Diagram
  49

MFJ MFJ-998 Instruction Manual (52 pages)

Automatic Antenna Tuner

Brand: MFJ | Category: Tuner | Size: 0 MB

Table of Contents
3
The Basics

7
- Introduction
  7
- Features
  8
- Specifications
  8
- Amplifier Protection
  9
- Transceiver Protection
  9
- Fast Start
  10
- Figures
  
  11
- Front Panel
  11
  - Swr/Wattmeter
    11
  - Wattmeter Zero Scale Adjustment
    11
  - Figure 1. Installation Block Diagram
    11
  - Figure 2. MFJ-998 Front Panel
    11
  - Wattmeter Full Scale Adjustment
    12
  - LCD Display
    12
  - LCD Contrast Control
    12
  - ANT Button
    12
  - MODE Button
    12
  - C-UP and C-DN Buttons
    12
  - L-UP and L-DN Buttons
    12
  - TUNE Button
    13
    
    Stickytune TM
    13
    
    Automatic/Semi-Automatic Tuning Mode
    13
  - POWER Button
    13
  - Figure 3. Mode Button Flow Chart and Button Action
    14
- Back Panel
  15
  - Amp Enable in
    15
  - Amp Enable out
    15
  - Power
    15
  - Radio Interface
    15
    
    Figure 4. MFJ-998 Back Panel
    15
    
    Figure 5. Radio Interface Connector
    15
    
    Figure 6. Alinco Interface Cable
    16
    
    Figure 7. Icom Interface Cable
    16
    
    Jumper JP1
    16
    
    Figure 8. Kenwood Interface Cable
    17
    
    Figure 9. Yaesu Interface Cable (FT-100, FT-857, FT-897)
    17
  - Serial Port
    18
  - Transmitter
    18
  - Ground
    18
  - Wire
    18
  - Antenna 1
    18
  - Antenna 2
    18
  - Figure 10. Yaesu Interface Cable (MP/2000/9000 Series)
    18
  - Figure 11. Yaesu Interface Cable (FT-2000 Series)
    18
- Figure 12. Swr/Wattmeter
  19
- Installation
  19
- Swr/Wattmeter
  19
The Menus

20
- Main Mode Menus
  20
  - Digital Wattmeter Menu
    20
  - Power Bar Meter Menu
    20
  - SWR Bar Meter Menu
    21
  - L-Network Menu
    21
  - Figure 13. Power Bar Meter (High Range)
    21
  - Figure 14. Power Bar Meter (Low Range)
    21
  - Figure 15. SWR Bar Meter
    21
MFJ-998 Legal Limit Intellituner Automatic Antenna Tuner

22
- Tuner Indicators
  22
  - Antenna
    22
  - Radio Interface
    22
  - Amp Relay Enable
    22
  - Figure 16. Main Mode Menus Display
    22
  - Memory
    23
  - LC Limit
    23
  - Auto Range
    23
  - Auto/Semi
    23
  - Stickytune
    23
  - Figure 17. Tuner Indicators
    23
- Setup Mode Menus
  24
  - Target SWR Menu
    24
  - Auto Tune SWR Menu
    24
  - Amp Bypass SWR Menu
    24
  - Meter Range Menu
    25
  - Peak Hold Menu
    25
  - Memory Menu
    25
  - Intellitune Menu
    26
  - SWR Beep Menu
    26
  - Beep Menu
    26
  - Refresh Menu
    26
  - Radio Interface Menu
    26
  - Push Tune <0.5S Menu
    27
  - LC Limit Menu
    27
Operation

27
- Manual Tuning
  27
- Morse Code and Beeps
  28
- Foldback Circuit
  29
- Grounding Hints
  30
- Antenna System Hints
  30
  - Location
    30
  - Matching Problems
    31
Appendices

32
- Resetting the Tuner
  32
  - Factory Defaults
    32
  - Figure 18. Power-On Operations
    32
  - Disable Radio Interface
    33
  - Delete Entire Antenna Memory
    33
  - Delete Antenna Memory Bank
    33
  - Total Reset
    33
- Self Test
  34
- Power-Down Circuit Test
  35
- Relay Test
  35
- Wattmeter Calibration
  35
- SWR Bridge Calibration
  36
- Frequency Counter Calibration
  37
MFJ-998 Legal Limit Intellituner Automatic Antenna Tuner

38
- Alinco Radio Interface
  38
  - Connections
    38
  - Operation
    38
- Icom Radio Interface
  39
  - Connections
    39
  - Operation
    39
- Kenwood Radio Interface
  40
  - Connections
    40
  - Operation
    40
- Yaesu Radio Interface/Mfj-5114Y
  41
- Yaesu Radio Interface/Mfj-5114Y3
  43
- Yaesu Radio Interface/Mfj-5114Y4
  45
  - Connections for FT-2000 Series of Radios
    45
  - Operation for FT-2000 Series of Radios
    45
- In Case of Difficulty
  46
- Technical Assistance
  46
- List of Accessories
  46
- Circuit Block Diagram
  47
- Figure 19. MFJ-998 Circuit Block Diagram
  47

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MFJ MFJ-998 Manuals

MFJ MFJ-998 Instruction Manual (52 pages)

Table of Contents

MFJ MFJ-998 Instruction Manual (52 pages)

Table of Contents

The Basics

Figures

The Menus

MFJ-998 Legal Limit Intellituner Automatic Antenna Tuner

Operation

Appendices

MFJ-998 Legal Limit Intellituner Automatic Antenna Tuner

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