Color Screen Calendar Model 2159t Instructions

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.

Press the UP or MAX/MIN button to see the highest and lowest temperature/humidity readings recorded in the last 24 hours. 5. Troubleshooting Common Issues Screen is too dark? Color Screen Calendar Model 2159t Instructions

Replace the batteries or switch to the USB power cable. Plug the included DC adapter into the jack