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Manuals
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Yaesu Manuals
Transceiver
FT-840
Operating manual
Yaesu FT-840 Operating Manual
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Also See for FT-840
:
Service manual
(166 pages)
,
Service manual
(152 pages)
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Table Of Contents
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Contents
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Table of Contents
Front Panel Controls & Connectors
Rear Panel
Front Panel LCD
Meter Functions
General Description
Specifications
Accessories & Options
FC-10 Compact External Auto-Antenna Tuner
FC-800 Automatic Antenna Tuner
TCXO-4 Master Reference Oscillator
SP-6 Loudspeaker with Audio Filters
YH-77ST Lightweight Headphones
FM Unit-747
FIF-232 CAT System Interface
Microphones
Station Installation
Preliminary Inspection
AC Power Supply
Changing the AC Voltage Range of the FP-800 Power Supply
Adjusting the Front Panel Angle
Mobile Power Connection
Grounding
Transceiver Location
Mobile Mounting
Memory Backup
Mobile Antenna Installation
Interconnection of Accessories
Connector Pinouts
Connecting External Accessories
FL-7000 Linear Amplifier
Other Non-QSK Linear Amplifier
Connecting a Linear Amplifier
Linear AMP T/R Switching in the FT-840
Power-Up Customization & Button Combination Settings
Operation
Getting Started Tutorial
Ham Bands
Blanking the 10'S-Of-Hz Digit
General Coverage Reception
Tuning & Scanning Steps
Halving the Tuning Rate
Shortwave Broadcast Bands
Dealing with Interference
Noise Blanker Setting
IF Shift Adjustment
Locking the Dial or Buttons
Transmitting
Button Beeper Settings
Automatic Antenna Matching
SSB Operation
Microphone Tone Selection
AF Speech Compressor
CW Operation
Reverse CW Sideband
CW Pitch and Sidetone Monitor
CW Key Connections
AM Transmission
FM Transmission
FM Repeater Operation
Carrier Offset Display
Clarifier
VFO B & Split Frequency Operation
Clarifier Range & Display Options
Tuning Knob Torque Adjustment
Memory Features
Memory Storage
Checking Memory Contents
Panel & Microphone Down/Up Key Functions
Frequency Display Modes
Memory Recall & Operation
Memory Channel Display
Scanning Features
Memory Scanning
Scan Resume
Memory Channel Organization
Scanning Feature Summary
Group Scan
Memory Scan Skip
PMS Scanning
Scan Speed
Memory Blanking
Digital Modes
Terminal Unit/Tnc Interconnections
Transmitter Adjustment
Frequency Display & Tuning
Packet TNC & RTTY/AMTOR Terminal Unit Interconnections
1200-Band FM Packet
AMTOR & F1 Packet Operation with the YF-112C 500-Hz Filter Option
Computer-Generated RFI
Installing Internal Accessories
Top Cover Removal
Filter & FM-Unit Installation
TCXO-4 Enhanced-Stability Oscillator
Lithium Battery Replacement & Memory Back-Up Switch
TCXO-4 Installation
CAT System Computer Control
Data Returned from FT-840
Status Update Data Organization
CAT Commands
All 1941 Bytes of Status Update Data (Sent L to R)
Status Update Data Selection
Read Flags Data
Read Meter Data
Coding Examples
Reading Returned Data
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Front Panel Controls & Connectors
2
Rear Panel
3
Specifications
4
Fif-232 Cat System Interface
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See also:
Service Manual
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