Yaesu FT-991A - Page 6

Page 4 F
T-991


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
(
for Wire Antenna
) ...143
Active-Tuning Antenna System
(
ATAS-120A
)
Operation ...145
Mounting Bracket MMB-90 Installation .......... 147
Specications .................................................... 148
Index .................................................................. 150