20In the [Registration] Menu, select [Relay Unit Registration]Click [Start Registration] and the registration process will begin. Whencompleted the following window will appear, click [OK].HELPFUL HINTSIt is possible to add or delete a Relay Unit from a group at any time. After adding or deletinga Relay Unit, please carry out a communication test . (see p. 23)Whether a Relay Unit has been registered and its serial number will appear in the Group infoin the Main Window.If you wish to change a group name or delete a group, go to the [Registration] Menu andselect [Group Maintenance]. (see p51 for more about changing a name)