Open a schedule

In Picaso, hit this icon: . It opens a list of Schedules:

Use the search to find the one you need.

Once you find the one you were looking for, hit: 

You may also create a schedule (hit: ) and/or understand how a grid works by looking at its properties ()

Schedule properties:

The schedule properties, beside its name and description, is mostly its a list of lines.

Use the icon to  open the inventory of lines; and use the arrow keys to update the list of lines.