Yaesu FT1DR Operating Manual page 66

Standard Operation of the GM Function
O Registering IDs of friends in a group and using GM function only between
registered members
Set a group with a name such as [Touring] or [Camp], and only show members
registered to that group.
For group setting and instruction on how to register members to a group, refer to the GM
function instruction manual (please download it from our company website).
O Turning the GPS Function OFF
Press D.
The GM function is deactivated and the transceiver returns to the state previous to when
GM function was activated.
Tip
With the GM function, data such as messages and images can be transmitted between members.
For details, refer to the GM function instruction manual (please download it from our company
website).
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Example of display when Group is set
Group Name