Table Of Contents - Icom IC-720 Instruction Manual

Table of Contents

Table Of Contents2
Specifications3
Features4
Installation5
Supplied Items5
Power Supply5
Memory Back-Up6
Antenna6
Ground6
Microphone6
Cw Key7
Rtty7
Headphones7
Cooling Fan7
Operating Controls8
Front And Rear Panel View8
Product View8
Multi-Function Meter9
Rf Power Control9
Mic Gain Control9
Power Switch9
Mode/Frequency Display10
Mode Select Switches10
Vfo Switch10
Rit Switch10
Conrols Under The Access Cover11
Ham Band/General Cover Select Switch11
Band Up/Down Switches11
Anti-Vox Control11
Rear Panel Connections12
Receiver Antenna Output Terminal12
Transceiver Scope (Alc) Terminal12
Accessory (Acc) Socket12
Operating Instructions13
How To Tune13
Dial Select Button13
Tuning Speed Button13
Sim/Duplex Switch14
Ham/General Coverage Switch14
Band Changing Button14
Rit (Receiver Incremental Tuning)14
Ssb Operation15
Receiving15
Att (Attenuator)15
Pb (Pass Band) Tuning15
Cw Operation16
Transmitting16
How To Use The Speech Processor16
How To Use The Vox Circuit16
Rtty Operation17
Cw Side-Tone (Monitor)17
Semi Break-In Operation17
When A High Speed Relay Is Used17
Am Operation18
When A Level Converter Is Used18
When A Afsk Generator Is Used18
Am Transmitting19
Vswr Reading19
Simple Frequency Alignment19
Satellite Communication19
Low Band Antenna Connection20
Receive Antenna Terminals20
Connection Of A Preamplifier20
Connection Of A Separate Receiver (After Exchanged Internal Socket)20
Rit Control Switch21
Linear Amplifier Or Transverter Connection21
Connection Of Separate Antennas21
Accessory Socket22
Theory Of Operation23
Swr Unit23
Low-Pass Filter Unit23
Rf Unit23
Main Unit24
Driver Unit24
Pa Unit24
Logic Unit24
Pll Unit25
Rtty Unit25
Option Description/Installation26
Troubleshooting29
Filter For Am And Cw Narrow29
Installation Of Cw Narrow Filter29
Installation Of Am Filter29
Transverter And Scope Use30
Location Of Lc Filter30
Installation Of Lda Unit30
Location Of Lda Unit30
Troubleshooting Table31