For events that repeat:

The hallmark of the Model 2159t is its vibrant color screen. To optimize visibility and power consumption:

A. DC Adapter (Recommended for Daily Use): Plug the included DC adapter into the jack located on the rear of the unit and connect to a standard wall outlet. The screen will light up instantly.

B. Battery Backup (For Memory Retention Only): Open the battery cover on the rear and insert 3x "AAA" batteries (not included).

  • Exit: Press MODE once to return to the normal display, or wait 10 seconds for the unit to save and exit automatically.