Color Screen Calendar Model 2159t — Instructions !exclusive!

: Install two AAA batteries into the rear compartment. Some versions may also support a USB power cable for an "always-on" display. Setting Time & Date :

If you are selling the device or facing an unfixable software loop, perform a factory reset. Color Screen Calendar Model 2159t Instructions

Model 2159t Firmware v.4.2. Instructions subject to change without notice, especially on weekends. : Install two AAA batteries into the rear compartment