The handset allows the user to override the system detectors.
The UHS is a compact infrared handset used for the basic programming of RAPID switching devices.
There are three types of user handsets available:
UHS: the 8 button handset can be used to adjust lux settings and override the detector ON/OFF
UHS3: The 3 button is used to override the system detectors ON/OFF
UHS3 (2): is used to override the system detectors OFF only