Yaesu FT-991 User Manual

Page 147FT-991 OperaTing Manual
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I
Icons ........................................................................... 22
IF Noise Blanker (NB) ............................................... 47
IF NOTCH Filter........................................................ 53
IF SHIFT Operation ................................................... 49
Inputting the Call Sign ................................................. 9
Installation and Interconnections ............................... 14
Installation of Optional Accessories ........................ 139
Intercept Point Optimization ...................................... 46
IPO (Intercept Point Optimization) ............................ 46
K
Keyboard Frequency Entry ........................................ 42
Keyer Operating Mode .............................................. 80
Keyer Weight (Dot/Dash) Ratio ................................. 79
KEY Jack ................................................................... 18
Key, Keyer, and Computer-Driven Keying
Interconnections ......................................................... 15
L
Labeling Memories .................................................. 100
LED Indicators ........................................................... 24
LOCK ......................................................................... 35
LOCK Button ............................................................. 21
LOCK Indicators ........................................................ 24
M
Main Band RX/TX Indicators .................................... 24
Main Control Buttons ................................................ 23
Main Tuning Dial Knob ............................................. 21
Memory Channel Recall ............................................ 98
Memory Group Assignment ..................................... 104
Memory Groups ....................................................... 104
Memory List ............................................................... 23
Memory Mode RX/TX Indicators ............................. 24
Memory Operation ..................................................... 97
Memory Scanning .................................................... 108
Memory Storage ......................................................... 98
Memory Tune ........................................................... 102
Menu List ................................................................... 23
Menu Mode .............................................................. 120
Menu Resetting .......................................................... 10
MENU(SETUP) Button ............................................. 19
Message Memory ....................................................... 84
Message Memory Programming ................................ 86
Meters ........................................................................ 23
MH-31A8J Microphone Switches ............................. 27
MH-36E8J Microphone Switches .............................. 29
MIC Jack .................................................................... 18
MMB-90 .................................................................. 143
MODE Button ............................................................ 19
MONITOR ................................................................. 72
More Frequency Navigation Techniques ................... 42
Mounting Bracket MMB-90 .................................... 143
MULTI Knob ............................................................. 19
MULTI Knob Operations ........................................... 22
N
NAR ........................................................................... 52
NARROW (NAR) ...................................................... 52
NB .............................................................................. 47
Noise Blanker ............................................................. 47
NOTCH Filter ..................................................... 53, 54
O
ON/OFF Switch ......................................................... 18
Operating Mode Indicators ........................................ 22
Operation Frequency .................................................. 23
Operation on 60-Meter (5 MHz) Band ...................... 33
P
Parametric Microphone Equalizer ............................. 63
PHONES Jack ............................................................ 18
Plug/Connector Pinout Diagrams .............................. 17
PMS (Programmable Memory Scanning) ................ 109
Q
QMB (Quick Memory Bank) ..................................... 97
Quick Memory Bank .................................................. 97
R
RCL/STO Button ....................................................... 20
Rear Panel .................................................................. 25
Recalling the Home Channel ..................................... 99
Receiver Operation .................................................... 44
REM/ALC Jack .......................................................... 26
Resetting Memories (Only) ........................................ 10
Resetting the Microprocessor .................................... 10
Reversing the Keyer Polarity ..................................... 81
RF Gain ...................................................................... 55
RF GAIN Knob .......................................................... 21
RTTY/DATA Jack ...................................................... 25
RTTY (Radio Teletype) Operation ........................... 116
RX Indicator (Green) ................................................. 24
S
SCOPE ....................................................................... 40
Scope/Waterfall .......................................................... 23
Setting with the MULTI Knob ................................... 42
Setup for Straight Key ............................................... 76
S-Meter ...................................................................... 23
Specications ........................................................... 144
Speech Processor ....................................................... 66
SPLIT Button ............................................................. 21
Split-Frequency Operation ......................................... 74
Split Memory ........................................................... 103
Split Operation Using the TX Clarier ...................... 73
SSB Mode Transmission ............................................ 59
Standard Memory Operation ...................................... 98
Sub Band RX/TX Indicators ...................................... 24
Supplied Accessories ................................................... 5
Sweep Mode ............................................................... 41

Yaesu FT-991 Specifications

General

Frequency Range Transmit	1.8 MHz - 54 MHz, 144 MHz - 148 MHz, 430 MHz - 450 MHz
Antenna Impedance	50 Ohms
Antenna Connector	SO-239
Supply Voltage	13.8 V DC ±15%
Modes	SSB, CW, AM, FM, C4FM Digital
Display	3.5-inch color TFT LCD
Weight	4.3 kg