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FT-920
Yaesu FT-920 Manuals
Manuals and User Guides for Yaesu FT-920. We have
2
Yaesu FT-920 manuals available for free PDF download: Technical Supplement, Operating Manual
Yaesu FT-920 Operating Manual (98 pages)
Brand:
Yaesu
| Category:
Transceiver
| Size: 1.68 MB
Table of Contents
Table of Contents
2
General Description
3
Specifications
5
Accessories & Options
6
Supplied Accessories
6
Available Options
6
Plug Pinout
7
Installation
8
Preliminary Inspection
8
DC Power Connections
8
Transceiver Location
10
Grounding
10
Antenna Considerations
11
Memory Backup
11
Adjusting the Front Feet
12
Safety Precautions
13
Power Connections
13
Ground Connections
13
Electrical Shock Prevention
13
Antenna Precautions
13
RF Field Exposure Advisory and Electromagnetic Compatibility
14
Accessory Installation
15
Linear Amplifier Interfacing
15
Digital Modem Interfacing (TNC, Weatherfax, Etc.)
18
Other Digital/Recording Device Interfacing
19
CW Key/Paddle and Computer Keying Interface Suggestions
20
Antenna Connections
21
Front Panel Controls, Switches, & Jacks
22
Display Panel Indicators and Icons
30
Rear Panel Connectors and Switches
34
Bottom Panel
36
Operation
37
Before You Start
37
Receiving
37
Antenna Selection
37
Mode Selection
38
Bandwidth Selection
39
Amateur Band Selection
39
Direct Keypad Frequency Entry
40
Stacked VFO System
40
Frequency Navigation
40
VFO Tuning Dial
41
Shuttle Jog (VFO-A)
41
Front Panel Up/Down Switches
41
MH-31B8 Hand Micu P /DWN /FST Switches
41
MD-100A8X Desk Microphone Rotary Scanning Switch
41
LOCK Switches
41
Operating Convenience Features
42
Display Brightness Control
42
Keypad Beep Frequency/Level
42
Receiver Accessories
43
Clarifier (Offset Tuning)
43
CW Center Tuning (Enhanced Tuning Scale)
43
Cw Spot
43
RF Preamplifier Selections
43
AGC Selection
44
Squelch
44
General Coverage Reception
44
Dealing with Interference
45
SHIFT Control
45
HIGH CUT /LOW CUT Controls (DSP)
45
NOTCH Filter (DSP)
46
RF GAIN Control
46
IF Noise Blanker (NB)
46
DSP Noise Reduction (NR)
46
Tools for Strong-Signal Andlow-Frequency Operation
47
IPO (Intercept Point Optimization)
47
ATT (Front End Attenuator)
48
Digital Voice Recorder Operation (DVR)
48
Transmitting
49
Automatic Antenna Matching
49
SSB Transmission
51
Basic Operation
51
VOX Operation
51
Digital Speech Processor Operation
51
DSP Voice Pattern Contours
52
Voice Monitor Operation
52
Digital Voice Recorder Operation (Transmit)
52
Linear Amplifier Tuning
53
CW Transmission
53
Straight Key Operation
53
Electronic Keyer Operation
54
Memory Keyer Operation
54
Tips for Successful CW Memory Keyer Operation
55
TX CLAR Ifier Operation
55
Split Frequency Operation
55
Split Frequency Operation
56
Split VFO Operation
56
Quick Split Feature
56
Mode K Satellite Operation
57
Digital Mode Operation
57
AFSK RTTY or Packet Operation
58
FSK RTTY Operation
58
AM Transmission
59
Basic Operation
59
FM Operation
59
Simplex (Non-Repeater) Operation
59
Repeater Operation
60
Memory Operation
61
QMB Channel Programming/Recall
61
Memory Operation on "Regular" Memory Channels
61
(Channel #1-01 to 1-99)
62
Memory Operation on Split-Frequency Channels
63
(Channel #D-01 to D-10)
64
(Channel #C-01 to C-11)
65
Adding Alpha-Numeric Labels to Memory Channels
66
Moving Memory Data to VFO-A
66
Memory Mode Accessories
67
Deleting Data from a Memory Channel
67
Scanning Operation
68
Scan Skip Programming (Memory Mode Only)
68
Programmable Memory Scan (PMS) Operation
68
Scan-Resume Choices
69
Dual Watch Operation
70
Menu Operation
71
Normal Menu Operation
71
Panel Menu Operation
72
Quick Menu Operation
72
Menu Mode Selections and Settings
73
VHF/UHF Transverter Operation
86
Phone Pacth Operation
87
(Computer-Aided Transceiver) System Protocol
88
Data Protocol
90
Constructing Sending CAT Commands
90
Downloading FT-920 Data
91
14-Byte Frequency Data Record Structure
92
Memory Backup
93
Backup Battery Replacement
93
Microprocessor Resetting
94
Installation of Optional Accessories
95
Bottom Case Removal
95
Installation of Optional Filters YF-116C/YF-116A
96
Installation of High-Stability Oscillator TCXO-7
96
Installation of FM Unit FM-1
96
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Yaesu FT-920 Technical Supplement (121 pages)
HF & 50-MHz-Band transceiver
Brand:
Yaesu
| Category:
Transceiver
| Size: 45.16 MB
Table of Contents
Contents
2
Specifications
4
Chip Component Information
5
Capacitors
5
Tantalum Capacitors
5
Resistors
5
Replacing Chip Components
6
Precautions
6
Removing Chip Components
6
Installing a Replacement Chip
7
Transceiver Disassembly
9
PCB Unit Access
9
Disassembly Tips
9
Top Cover Removal
9
Bottom Cover Removal
10
Front Panel Disassembly
10
Battery/Fuse Replacement
12
CPU Resetting
12
Lithium Battery Replacement
12
Memory Back up Switch
12
Alignment
13
Introduction and Precautions
13
Required Test Equipment
13
REG Unit
14
VCC Meter
14
PA Unit
15
Main Unit
15
REF BUFF Amp
15
REF Frequency
15
2Nd Local OSC
16
1St Local Output
16
Carrier Level Adjust
16
2Nd Local Adjust
16
Rx Transformer Adjustment
17
Amateur Band BPF Adjust
17
S-Meter Zero Adjust
17
Rx Gain Adjust
17
Shift Control Center Adjust
18
FM Center Meter
18
Tx Section Alignment
18
Power Output Adjust
18
SSB BM Adjust
19
PO Meter Adjust
19
TX if Gain
19
Tx RF Gain
19
IC Meter
20
CTCSS Tone Deviation
20
AM Tx Output
20
FM MIC Gain
20
Rx Carrier Point
21
Antenna Tuner
22
Beep Level
22
Reverse Backlach
22
Tuner Impedance & Phase Detection
22
Main Unit Test & Alignment Points
23
Block Diagram
25
Interconnection Diagram
26
Parts List
32
Circuit Diagram
61
Parts Layout
61
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