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Alinco DX-70 Instruction Manual

Hf + 50mhz all mode transceiver

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Service manual (68 pages)

Service manual (116 pages)

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Table Of Contents

104

Table of Contents

Precautions
Contents
How to Use this Manual
Document Conventions
Features
Supplied Accessories
Checking Accessories
Installation and Connection (for Base Station)
Connection Diagram
Connecting an Antenna and Ground Cable
Getting Started
Rear Panel Connectors
Connector Pin Assignment
Connecting a Telegraph Key
Connecting an External Speaker
Connecting Headphones
Connecting a DC Regulated Power Supply
Installation and Connection (for Mobile Operation)
Installing an Antenna
Installing the Transceiver
Connecting the Power Cable
Controls, Connectors, and Display
Control Panel
Display
Controls Quick Reference
Reception Basics
Turning Power On/Off
Adjusting Volume
Adjusting Squelch
Selecting Mode (Modulation)
Selecting Amateur Bands
Setting a Frequency (Tuning)
Exercise
Getting Familiar with Useful Functions
RF (RF Gain)
AGC (Automatic Gain Control)
RIT (Receive Increment Tuning)
Transmission Basics
Transmitting in the Voice Mode (SSB and AM/FM)
Transmitting in the CW Mode
Selecting Output Power Level
SSB Operation
Practical Techniques for SSB Operation
Eliminating Interference (QRM)
Communicating in Bad Conditions
Communicating with Off-Frequency Stations
Communicating in Pile-Ups
AM Operation
General Coverage Receiver Operation
FM Operation
Repeater Operation
CW Operation
Practical Techniques for CW Operation
Reducing Interference
When the Received Signal Is Unclear
RTTY Packet Operation (FAX/SSTV)
Connecting Additional Equipment
Split-Frequency Operation
Basics
Storable Data
Functions in the Memory Mode
Memory Backup
Memory Mode Operation
Accessing the Memory Mode
Selecting a Memory Channel
Simplex-VFO-Frequency Programming
Simplex-Memory-Frequency Programming
Split-Frequency Programming (for General Use)
Split-Frequency Programming (for Repeater Operation)
Memory Channel Data Erasing
Memory to VFO Data Transfer
Scan Types
Setting SCAN Mode
Band Scan
Memory Scan
Priority Scan
Interference Reducers
If Shift
Narrow Filter
CW BFO Reverse
NB (Noise Blanker)
ATT (Attenuator)
Other Useful Functions
RIT/TXIT Function
Vfo A=B
Dial Lock Function
Set-Up Item List
Set-Up Items
TXIT Function
Automatic USB/LSB Selection
Sidetone and CW Offset Setting
Break-In Delay Time
LCD Brightness
Beep
APO (Automatic Power Off)
Speech Compressor
Transmission Inhibit (PTT Key Lock)
Frequency Step of the Multi Function Dial (SSB and CW Modes)
Frequency Step of the Multi Function Dial (am Mode)
Frequency Step of the Multi Function Dial (FM Mode)
Memory Overwrite Protection
Memory Frequency Access Protection
Scan Mode
Group Memory Scan
Adjustment Item List
Removing the Covers
Adjusting Sidetone Volume
Adjusting Microphone Gain
Selecting 100 W or 50 W Output (HF Only)
Cutting the Resistor Jumper for the External Relay Terminal
Zeroing-In on Reference Frequency
Adjusting Main Tuning Dial Torque
Resetting All Memory Channels and SET Mode Settings
Resetting the Vfo's
Restoring the SET Mode Settings to the Factory Defaults
Cleaning
Troubleshooting
Options
External Antenna Tuners Available
Alinco EDX-1
Kenwood АТ-50
Kenwood АТ-300
Icom Ah-3
Specifications

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