Example Of Selectable Options - IBM TotalStorage 3590 Operator's Manual

option 1 when there is no cartridge in the device. The Unload Drive option
2 shows the darker font, which indicates that it can be selected.
Figure 8. Example of Selectable Options
If you move the cursor ( ) to 1 and press Enter, the selection responds with
the normal font 2 momentarily. It then returns to the lighter font. The 3590
will not perform any action.
29
Chapter 3. Drive Operator Panel and Controls