Yaesu FT-991 Operating Manual page 6

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able of
Operation on Alaska Emergency Frequency:
5167.5 khz (U.S. Version Only) ............................... 106
VFO and Memory Scanning ................................... 107
VFO Scanning ...................................................... 107
Memory Scan ....................................................... 108
PMS (Programmable Memory Scanning) ............. 109
Using the GPS Function .......................................... 110
What is GPS? ....................................................... 110
Positioning Using GPS ......................................... 110
Displaying the Position Information .................... 112
Using the GM Function ........................................... 113
What is the GM Function? ................................... 113
Basic Methods to Use the GM Function .............. 113
RTTY (Radio Teletype) Operation ......................... 116
Example of Connecting RTTY Communications
Device ................................................................... 116
DATA (PSK) Operation ........................................... 118
Example of Data Communications Device .......... 118
Menu Mode ............................................................... 120
Installation of Optional Accessories ....................... 139
FC-40 External Automatic Antenna Tuner
(for Wire Antenna) ............................................... 139
Active-Tuning Antenna System (ATAS-120A)
Operation .............................................................. 141
Mounting Bracket MMB-90 Installation .............. 143
Specifications ............................................................ 144
Index .......................................................................... 146
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ontents
F T-991 O
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