Page 113FT-991 O PERA T I N G M A N U A LWhAt iS the gM Function ?The GM (group monitor) function automatically inquires to find if there are any stations with the GM function in opera-tion on the same frequency within communication range.The FT-991 can then display the position and distance and other information for each group member call sign on thescreen.Besides letting you know who is within your sphere of communications, the GM function is also a convenient methodto instantly note the relative positions of all the members in the group.) 111124 7) 1 24 7)0'91 24 7) 1 24 7᳂᳂᳂᳂#..bASic MethodS to uSe the gM FunctionThere are two ways to use the GM function:(1) Display all stations operating the GM function that are within communications range (maximum of 24 stations canbe displayed)(2) Register the ID of partners into a memory group and then display only the Group Member partnersAn explanation of the two methods of starting the GM operation is given on the following pages.Refer to the separate Operating Manual GM Edition for additional details on using the GM Functions (download themanual from our YAESU website).usinG the GM functionA dvice :The GM function does not work in the analog FM mode.