Tabel of Contents
General Description  | 1  | 
Specifications  | 3  | 
Plug/Connector Pinout Diagrams  | 4  | 
Accessories & Options  | 5  | 
Supplied Accessories  | 5  | 
Available Options  | 6  | 
Safety Precautions  | 7  | 
Power Connections  | 7  | 
Ground Connections  | 7  | 
Electrical Shock Prevention  | 8  | 
Antenna Precautions  | 8  | 
RF Field Exposure Advisory & Electromagnetic Compatibility ....  | 8  | 
General Setup  | 9  | 
Preliminary Inspection  | 9  | 
Power Connections  | 9  | 
Transceiver Location  | 9  | 
Grounding  | 9  | 
Antenna Considerations  | 10  | 
Adjusting the Front Feet  | 10  | 
Memory Backup  | 10  | 
Accessory Installation  | 11  | 
Linear Amplifier Interfacing  | 11  | 
Transverter Operation  | 14  | 
Digital Modem (TNC, WeatherFax, etc.) Interfacing  | 15  | 
Other Digital/Recording Device Interfacing  | 19  | 
CW Key/Paddle and Computer Keying Interface suggestions ..  | 19  | 
Antenna Connections  | 20  | 
Personal Computer Interfacing for Contest Software, etc  | 21  | 
Front Panel Controls  | 22  | 
LCD Bargraph Meter Indications  | 30  | 
Top Panel Access & Controls  | 32  | 
Rear Panel Controls & Connectors  | 34  | 
Operation  | 36  | 
Before Starting  | 36  | 
36  | |
Receiving  | 36  | 
Amateur Band Selection  | 36  | 
Mode Selection  | 37  | 
Tuning the   | 38  | 
Alternate VFO Operation (“Front & Rear” VFO)  | 40  | 
VFO Selection & Receiver Muting  | 40  | 
Keypad Frequency Entry  | 40  | 
Signal Tuning Meter Indications  | 41  | 
Expanded Tuning Scale  | 42  | 
AM Synchronous Tuning  | 42  | 
42  | |
General Coverage Reception  | 43  | 
Dealing with Interference  | 44  | 
VRF (Variable RF   | 44  | 
Front End Selections: Amp Selection, IPO & ATT  | 44  | 
AGC (Automatic Gain Control) Selection  | 45  | 
Noise Blanker  | 46  | 
IF Filter (Bandwidth) Selection  | 46  | 
WIDTH Control  | 47  | 
SHIFT Control  | 48  | 
Notch Filter  | 48  | 
Clarifier (Rx/Tx Offset Tuning)  | 49  | 
Offset Display Mode  | 50  | 
Transmitting  | 51  | 
Selecting Antennas  | 51  | 
Automatic Antenna Matching  | 51  | 
SSB Transmission  | 52  | 
Transmitter Monitor  | 52  | 
Microphone Tone Selection  | 53  | 
RF Speech Processor  | 53  | 
53  | |
VOX Operation  | 54  | 
CW Transmission  | 54  | 
54  | |
Electronic Keyer Operation  | 55  | 
ACS (Auto Character Spacing)  | 53  | 
Keyer Settings  | 56  | 
CW Pitch Setting and Spot Tone  | 56  | 
AM Transmission  | 57  | 
Digital Mode Operation  | 57  | 
RTTY Operation  | 57  | 
Packet Operation  | 58  | 
58  | |
FM Transmission  | 59  | 
Using SUB VFO B  | 60  | 
Dual Reception  | 60  | 
Split Frequency Operation  | 62  | 
Sideband Diversity Reception  | 63  | 
Bandwidth Diversity Reception  | 63  | 
VFO Tracking  | 63  | 
Memory Features  | 64  | 
Memory Structure  | 64  | 
Memory Programming  | 65  | 
Copying   | 65  | 
Recalling & Operating on Memory Channels  | 66  | 
Memory Tuning  | 66  | 
Copying a Selected Memory to   | 67  | 
Copying between Memories  | 67  | 
Grouping Memories  | 67  | 
Limiting Memory Group Operation  | 67  | 
QMB (Quick Memory Bank) Operation  | 68  | 
Scanning Features  | 69  | 
VFO Scanning  | 69  | 
Memory Scanning  | 69  | 
Memory Scan Skip  | 69  | 
Memory “Masking”  | 70  | 
Scan Resume Mode  | 70  | 
Scan Skip Disable  | 70  | 
Programmed Memory Scanning (PMS Memories P1 ~ P9) ..  | 71  | 
Advanced Features  | 72  | 
EDSP  | 72  | 
EDSP Functions  | 73  | 
EDSP RX Audio Enhancement  | 73  | 
EDSP Noise Reducer  | 74  | 
EDSP APF (Audio Peak Filter)  | 74  | 
IDBT (Interlocked Digital Bandwidth Tracking) System  | 74  | 
EDSP Auto Multiple Notch Filter  | 74  | 
Remote Control Operation  | 76  | 
Introduction  | 76  | 
I. Contest Keyer Control  | 76  | 
II. VFO/Memory Control  | 79  | 
III. MAIN   | 79  | 
IV. SUB   | 79  | 
80  | |
Optional   | 81  | 
Overview  | 81  | 
Installation  | 81  | 
81  | |
Message Recording (from MAIN or SUB Receiver Audio) ....  | 82  | 
Playback (on the Air of Recorded Receiver Audio)  | 82  | 
Message Recording (from Microphone Audio)  | 82  | 
Message Monitor (Playback Without Transmitting)  | 83  | 
Message Transmission (“On the Air” Playback)  | 83  | 
Phone Patch Operation  | 84  | 
Tuning Meter   | 85  | 
CW Tuning  | 85  | 
RTTY Tuning  | 85  | 
Packet Tuning  | 85  | 
CAT System Computer Control  | 86  | 
Overview  | 86  | 
CAT Data Protocol  | 86  | 
Constructing and Sending CAT Commands  | 87  | 
Downloading   | 88  | 
Status Update Organization  | 88  | 
Selecting Updata to Download  | 90  | 
90  | |
91  | |
Coding Examples  | 93  | 
Menu Selection and Setting  | 98  | 
Installing Internal Accessories  | 112  | 
112  | |
Main Receiver 2nd and 3rd IF Filters  | 113  | 
Sub Receiver CW Narrow Filter  | 113  | 
Miscellaneous  | 114  | 
Lithium Battery Replacement  | 114  | 
Internal 13.8V Fuse Replacement  | 114  | 
115  |