2 Product Overview. 3 Front View. 3 Back View. 4 Thermo-Hygro Sensor (THGR122NX). 5 Front View (UVN128). 6 Back View (UVN128). 6 Getting Started. 7 Batteries. 7 Access Front Button Panel. 7 Change Settings. 7 Table Stand or Wall Mount. 7 Thermo-Hygro Sensor (THGR122NX). 7 Setup Sensor. 8 Data Transmission. 9 Search for Sensor. 9 Clock. 9 Turn Atomic Clock ON / OFF. 10 1 Set Clock. 10 Switch Clock Display. 10 Alarm. 10 View Alarm Settings. 11 Set Alarm. 11 Activate Alarm. 11 Silence Alarm...