Troubleshooting: If events don't appear, check that your phone's calendar is set to "Public" or that the 2159t is on the same 2.4GHz Wi-Fi network (it does not support 5GHz bands).
Disclaimer: This guide is for the Color Screen Calendar Model 2159t (Hardware Revision C). If your device has a grey bezel, you likely have the 2158s model, which uses different buttons. Color Screen Calendar Model 2159t Instructions