MFJ MFJ-991B Manuals

MFJ MFJ-991B Manuals

Manuals and User Guides for MFJ MFJ-991B. We have 1 MFJ MFJ-991B manual available for free PDF download: Instruction Manual

MFJ MFJ-991B Instruction Manual

MFJ MFJ-991B Instruction Manual (48 pages)

Automatic Antenna Tuner

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

Table of Contents

Table of Contents
3
The Basics
7
- Introduction
  7
- Features
  8
- Specifications
  8
- Fast Start
  9
- Front Panel
  10
  - Swr/Wattmeter
    10
  - C-UP and C-DN Buttons
    10
  - Figure 1. Typical Installation Block Diagram
    10
  - Figure 2. MFJ-991B Front Panel
    10
  - L-UP and L-DN Buttons
    11
  - AUTO Button
    11
  - TUNE Button
    11
  - Stickytune TM
    11
  - POWER Button
    11
  - Figure 3. Button Action
    12
- Back Panel
  13
  - Power
    13
  - Remote Port
    13
  - Radio Interface
    13
  - Figure 4. MFJ-991B Back Panel
    13
  - Figure 5. Alinco Interface Cable
    14
  - Figure 6. Icom Interface Cable
    14
  - Figure 7. Yaesu Interface Cable (FT-1000MP/-9000 Series)
    15
  - Figure 8. Yaesu Interface Cable (FT-2000/-5000 Series)
    15
  - Transmitter
    16
  - Ground
    16
  - Wire
    16
  - Antenna
    16
- Installation
  16
- Swr/Wattmeter
  17
- Figure 9. Swr/Wattmeter
  17
Setup
18
- Power Level
  18
- Target SWR
  18
- Auto Tune SWR
  18
- Antenna Memory
  18
- Meter Range
  19
- Table 1. Antenna Memory Resolution
  19
Operation
20
- Manual Tuning
  20
- Component Limit
  20
- Tuner Status Indicators
  21
- Table 2. Meter Needle Stationary Codes
  21
- Transceiver Foldback
  22
- Grounding Hints
  22
- Table 3. Meter Needle Bounce Codes
  22
- Antenna System Hints
  23
  - Coaxial Cable Selection
    23
  - Location
    23
  - Matching Problems
    24
Appendices
25
- Firmware Version Number
  25
- Resetting the Tuner
  25
  - Figure 10. Power-On Operations
    25
  - Delete Antenna Memory
    26
  - Factory Defaults
    26
  - Total Reset
    26
- Self Test
  27
- Table 4. Failure Messages
  27
- Power down Circuit Test
  28
- Relay Test
  28
- Wattmeter Calibration
  29
- Frequency Counter Calibration
  29
- SWR Bridge Calibration
  30
- Alinco Radio Interface
  31
  - Connections
    31
  - Operation
    31
- Icom Radio Interface
  32
  - Connections
    32
  - Operation
    32
- Kenwood Radio Interface
  33
  - Connections
    33
  - Operation
    33
- Yaesu Radio Interface/Mfj-5124Y
  34
  - Connections for FT-100
    34
  - Operation for FT-100
    34
  - Connections for FT-450
    35
  - Operation for FT-450
    35
  - Connections for FT-857 or FT-897
    36
  - Operation for FT-857 or FT-897
    36
  - Connections for FT-950
    37
  - Operation for FT-950
    37
- Yaesu Radio Interface/Mfj-5124Y2
  38
  - Connections for FT-847
    38
  - Operation for FT-847
    38
- Yaesu Radio Interface/Mfj-5124Y3
  39
- Yaesu Radio Interface/Mfj-5124Y4
  41
- In Case of Difficulty
  43
- Technical Assistance
  43
- List of Accessories
  43
- Circuit Block Diagram
  44
- Figure 11. MFJ-991B Circuit Block Diagram
  44

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