The main settings can be done in this menu.

Group code:

Group code is used by other users to join this group

Send real time locations and alerts:

If this setting is activated, the real time location (=tracking/locator) of this user and all alerts are sent

Send only alerts and videos:

If this setting is activated only wave/video alerts are sent. Real time location is switched off. This is useful if user wants to send alerts, but not want real time tracking

Manage subscription:

Click this to start / cancel subscription. 

Password protection:

This is seen all other group users except the admin user. The setting dialog protection can be activated/disabled. If activated the setting menu requires entering group code to able to change settings.