The user can set their own default menu set. Alternatively, HR can set the default menu set via the Admin Tool.
By the user
Provide the steps below to your user.
Click your name in the top right of the screen.
Select the menu set to be default.
Click your name in the top right corner.
Click Set as default.
Via the Admin Tool
To set a default menu set for the user, follow the below steps.
In the Admin Tool, click User Accounts.
Click the drop-down and then All Users.
Double-click the name of the user.
Click the green arrow on Menu Sets.
Select the Self Service menu set you use, and then Self Service role.
With the same Self Service menu set highlighted, on the right-hand side, click Set Default.