Selecting Single Screen Panels
Tap on the menu button at the top right of the screen. By default the Select By buttons should be set to Single by default.
Selecting Multiple Screen Panels
Tap on the menu button at the top right of the screen. Tap on Multiple in the Select By buttons and tap on the required panels to select them.
Selecting by Screen Panel Part Numbers
Tap on the menu button at the top right of the screen. Tap on Screen Panel in the Select By buttons and tap on a panel. All panels with the same part number will then be selected. You can then tap on individual panels to deselect them if you wish.