Table Of Contents - Yaesu FT-920 Operating Manual

General Description ......................................................... 1
Specifications ................................................................... 2
Accessories & Options ................................................... 4
Plug Pinout ...................................................................... 5
Installation ........................................................................ 6
Preliminary Inspection ................................................. 6
DC Power Connections ............................................... 6
Transceiver Location ................................................... 8
Grounding .................................................................... 8
Antenna Considerations .............................................. 9
Memory Backup .......................................................... 9
Adjusting the Front Feet ................................................10
Safety Precautions............................................................ 11
1. Power Connections ................................................ 11
2. Ground Connections .............................................. 11
3. Electrical Shock Prevention ................................... 11
4. Antenna Precautions ................................................11
5. RF Field Exposure Advisory
and Electromagnetic Compatibility .................. 12
Accessory Installation ..................................................... 13
1. Lineae Amplifier Interfacing ................................... 13
2. Digital Modem Interfacing (TNC, WeatherFax, etc.)...16
3. Other Digital/Recording Device Interfacing ...............17
4. CW Key/Paddle and Computer Keying
Interface Suggestions .................................... 18
Front Panel Controls, Switches, & Jacks ..................... 20
Display Panel Indicators and Icons ............................... 28
Rear Panel Connectors and Switches ........................... 32
Bottom Panel ................................................................... 34
Operation .......................................................................... 35
Before You Start ......................................................... 35
Receiving ..................................................................... 35
Antenna Selection ................................................. 35
Bandwidth Selection .............................................. 37
Amateur Band Selection ....................................... 37
Direct Keypad Frequency Entry ............................ 38
Stacked VFO System ........................................... 38
Frequency Navigation ............................................ 38
VFO Tuning Dial ............................................. 39
Shuttle Jog (VFO-A) ....................................... 39
Front Panel Up/Down Switches ...................... 39
MH-31B8 Hand MicU
MD-100A8X Desk Microphone
Rotary Scanning Switch ............................ 39
L Switches ................................................. 39
OCK
Operating Convenience Features ...........................40
Display Brightness Control .............................. 40
Keypad Beep Frequency/Level ....................... 40
Receiver Accessories ............................................ 41
Clarifier (Offset Tuning) ................................... 41
CW Center Tuning (Enhanced Tuning Scale) ...41
CW S ......................................................... 41
POT
RF Preamplifier Selections ............................. 41
AGC Selection ................................................ 42
Squelch ........................................................... 42
General Coverage Reception .......................... 42
Dealing with Interference ...................................... 43
S Control ................................................... 43
HIFT
H C /L C Controls (DSP) .................. 43
IGH UT OW UT
N Filter (DSP) .......................................... 44
OTCH
RF G Control .............................................. 44
AIN
IF Noise Blanker (NB) .................................... 44
DSP Noise Reduction (NR) ............................ 44
Tools for Strong-Signal
andLow-Frequency Operation .................. 45
IPO (Intercept Point Optimization) .................. 45
ATT (Front End Attenuator) ............................ 46
Digital Voice Recorder Operation (DVR) ........ 46

Table of Contents

/D /F Switches ...... 39
P WN ST
Transmitting ................................................................. 47
Automatic Antenna Matching ................................ 47
SSB Transmission ................................................. 49
Basic Operation ............................................... 49
VOX Operation ................................................ 49
Digital Speech Processor Operation ............... 49
DSP Voice Pattern Contours ......................... 50
Voice Monitor Operation ................................. 50
Digital Voice Recorder Operation (Transmit) .. 50
Linear Amplifier Tuning ............................................... 51
CW Transmission .................................................. 51
Straight Key Operation .................................... 51
Electronic Keyer Operation ............................. 52
Memory Keyer Operation ................................ 52
Tips for Successful CW Memory Keyer Operation ..... 53
Split Frequency Operation .................................... 54
TX C ifier Operation .................................... 53
LAR
Split VFO Operation ........................................ 54
Quick Split Feature ......................................... 54
Mode K Satellite Operation ............................. 55
Digital Mode Operation ......................................... 55
AFSK RTTY or Packet Operation .................. 56
FSK RTTY Operation ...................................... 56
AM Transmission .................................................. 57
Basic Operation ............................................... 57
FM Operation ........................................................ 58
Simplex (Non-Repeater) Operation ................. 58
Repeater Operation ......................................... 58
Memory Operation ........................................................... 59
QMB Channel Programming/Recall ............................. 59
Memory Operation on "Regular" Memory Channels
(Channel #1-01 to 1-99) ........................................ 60
Memory Operation on Split-Frequency Channels
(Channel #d-01 to d-10) ........................................ 62
Memory Operation on "CALL" Channels
(Channel #C-01 to C-11) ...................................... 63
Adding Alpha-Numeric Labels to Memory Channels .. 64
Memory Mode Accessories ......................................... 65
Moving Memory Data to VFO-A ........................... 65
Deleting Data from a Memory Channel ................ 65
Scanning Operation ......................................................... 66
Scanning Operation ..................................................... 66
Scan Skip Programming (Memory Mode Only) .......... 66
Programmable Memory Scan (PMS) Operation ......... 66
Scan-Resume Choices ................................................ 67
Dual Watch Operation ..................................................... 68
Menu Operation ............................................................... 69
Normal Menu Operation .............................................. 69
Panel Menu Operation ................................................ 70
Quick Menu Operation ................................................ 70
Menu Mode Selections and Settings .......................... 73
VHF/UHF Transverter Operation ..................................... 84
Phone Pacth Operation ................................................... 85
(Computer-Aided Transceiver) System Protocol ......... 86
Data Protocol .................................................... 88
Constructing Sending CAT Commands ...................... 88
Downloading FT-920 Data ........................................... 89
14-Byte Frequency Data Record Structure ................. 90
Memory Backup ............................................................... 91
Microprocessor Resetting ............................................... 92
Installation of Optional Accessories .............................. 93
Bottom Case Removal ................................................ 93
Installation of Optional Filters YF-116C/YF-116A ....... 94
Installation of High-Stability Oscillator TCXO-7 ........... 94
Installation of FM Unit FM-1 ....................................... 94