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FT-991A
Yaesu FT-991A User Manual
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Page 7
F
T
-991
DC Power Cord
Han
d Microphone
(
)
Spare Fuse
(
25A
)
Operating Manual
W
arranty Card
W
orld Map
Sticker
The illustrations above may vary slightly from the actual accessories.
8
10
Table of Contents
General Description
3
Table of Contents
5
Safety Precautions
7
Accessories & Options
9
Supplied Accessories
9
Available Options
10
Before You Begin
11
Base Station Wire Stand
11
Adjusting the Main Tuning Dial Torque
11
Adjusting the Clock
12
Inputting the Call Sign
13
Resetting the Microprocessor
14
Antenna Considerations
15
About Coaxial Cable
15
Grounding
16
Connection of Antenna and Power Cables
17
Installation and Interconnections
18
Connection of Microphone, Headphone and Remote Control Keypad
18
Key, Keyer, and Computer-Driven Keying
19
Interconnections
19
VL-1000 Linear Amplifier Interconnections
20
Plug/Connector Pinout Diagrams
21
Front Panel Controls & Switches
22
About the Display
26
TFT Liquid Crystal Display
26
LED Indicators
28
Rear Panel
29
MH-31A8J Microphone Switches
31
Optional MH-36E8J Microphone Switches
33
Basic Operation: Receiving on Amateur Bands
34
Operation on 60-Meter ( 5 Mhz ) Band
37
( U.S. and U.K. Version Only )
37
CLAR ( Clarifier ) Operation
38
Lock
39
Dimmer
39
Vfo Color
40
Convenience Features
41
Band Stack Operation
41
Custom Switch )
41
AMS ( Automatic Mode Select ) Operation
42
Scope
44
More Frequency Navigation Techniques
46
Receiver Operation ( Front End Block Diagram )
48
Interference Rejection
49
ATT ( Attenuator )
49
IPO ( Intercept Point Optimization )
50
IF Noise Blanker ( NB ) Operation
51
CONTOUR Control Operation
52
IF SHIFT Operation
53
( SSB/CW/RTTY/DATA Modes )
53
WIDTH ( if DSP Bandwidth ) Tuning
54
( SSB/CW/RTTY/DATA Modes )
54
NARROW ( NAR ) One-Touch if Filter Selection
56
IF NOTCH Filter Operation ( SSB/CW/RTTY/DATA/AM Modes )
57
Digital NOTCH Filter ( DNF ) Operation
58
Digital Noise Reduction ( DNR ) Operation
58
Tools for Comfortable and Effective Reception
59
RF Gain
59
Audio Peak Filter
60
AGC ( Automatic Gain Control )
61
Adjustable Receiver Audio Filter
62
SSB/AM Mode Transmission
63
Using the Automatic Antenna Tuner
65
ATU Operation
65
About ATU Operation
66
Enhancing Transmit Signal Quality
67
Parametric Microphone Equalizer
67
( SSB/AM Mode )
67
Using the Speech Processor ( SSB Mode )
70
Adjusting the SSB Transmitted Bandwidth
71
( SSB Mode )
71
Transmitter Convenience Features
72
Voice Memory ( SSB/AM Modes )
72
VOX (SSB/AM/FM Modes: Automatic TX/RX Switching Using Voice Control)
74
MONITOR ( SSB/AM Modes )
76
Split Operation Using the TX Clarifier
77
Split-Frequency Operation
78
CW Mode Operation
80
Setup for Straight Key ( and Straight Key Emulation ) Operation
80
Using the Built-In Electronic Keyer
82
CW Convenience Features
86
CW Spotting ( Zero-Beating )
86
CW Delay Time Setting
87
CW Pitch Adjustment
87
Contest Memory Keyer
88
FM Mode Operation
95
Basic Operation
95
Repeater Operation
96
DCS Operation
98
Tone Squelch Operation
98
C4FM Mode ( Digital Mode ) Operation
99
DG-ID/DP-ID Features
101
Digital Group ID (DG-ID) Feature
101
Digital Personal ID (DP-ID) Feature
103
Memory Operation
105
Convenient Memory Functions
105
QMB ( Quick Memory Bank )
105
Standard Memory Operation
106
Memory Groups
112
Operation on Alaska Emergency Frequency
114
5167.5 Khz (U.S. Version Only)
114
VFO and Memory Scanning
115
VFO Scanning
115
Memory Scan
116
PMS (Programmable Memory Scanning)
117
Using the GPS Function
118
What Is GPS
118
Positioning Using GPS
118
Displaying the Position Information
120
Using the GM / WIRES-X Function
121
What Is the GM Function
121
Basic Methods to Use the GM Function
121
What Is the WIRES-X Function
121
RTTY ( Radio Teletype ) Operation
122
RTTY Communications Device
122
DATA ( PSK ) Operation
124
Example of Data Communications Device
124
Menu Mode
126
Installation of Optional Accessories
145
External Automatic Antenna Tuner
145
( for Wire Antenna )
145
Active-Tuning Antenna System
147
ATAS-120A ) Operation
148
Mounting Bracket MMB-90 Installation
149
Specifications
150
Index
152
Other manuals for Yaesu FT-991A
Technical Supplement
131 pages
Instruction Manual
15 pages
Quick Start Guide
2 pages
Reference Manual
20 pages
Setup
3 pages
Manual
2 pages
Information For Customers Operating
2 pages
4
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Yaesu FT-991A Specifications
General
Brand
Yaesu
Model
FT-991A
Category
Transceiver
Language
English
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