Yaesu FT-991A Operating Manual page 6

Table of Contents
Operation on Alaska Emergency Frequency:
5167.5 khz (U.S. Version Only) ... 112
VFO and Memory Scanning ........................... 113
VFO Scanning .................................................. 113
Memory Scan .................................................... 114
PMS (Programmable Memory Scanning) ..... 115
Using the GPS Function .................................. 116
What is GPS? .................................................... 116
Positioning Using GPS ..................................... 116
Displaying the Position Information ................ 118
Using the GM / WIRES-X Function ............... 119
What is the GM Function? ............................... 119
Basic Methods to Use the GM Function .......... 119
What is the WIRES-X Function? ..................... 119
RTTY ( Radio Teletype ) Operation ................. 120
Example of Connecting
RTTY Communications Device ...120
DATA ( PSK ) Operation ................................... 122
Example of Data Communications Device ......122
Menu Mode ....................................................... 124
Installation of Optional Accessories ............... 143
FC-40 External Automatic Antenna Tuner
Active-Tuning Antenna System
( ATAS-120A ) Operation ...145
Mounting Bracket MMB-90 Installation ..........147
Specifications .................................................... 148
Index .................................................................. 150
Page 4
( for Wire Antenna ) ...143
F T-991 Operating Manual