Features • BACnet® Master-Slave/Token-Passing (MS/TP) protocol  communication — provides compatibility with Metasys system field  controllers and Facility Explorer programmable controllers in a  proven communication network • backlit Liquid Crystal Display (LCD) available on some models —  provides real-time status of the environment with backlighting  activated during user interaction • simple temperature setpoint adjustment available on some  models — enables you to change the setpoint with the turn of a dial • onboard PIR occupancy sensor available on some models —  maximizes up to 30% energy savings in high-energy usage  environments, and facilitates trending of floor space usage • temporary occupancy available on some models — provides a  timed override command, which temporarily initiates an alternate  mode • field selectable default display setting on some models — allows  you to toggle between temperature and RH on the display, and set  the desired default for continuous viewing • Fahrenheit/Celsius (F/C) button available on some models —  toggles the display temperature between degrees Celsius and  degrees Fahrenheit Note: Since some NS Series Network Sensor features are not  supported in previous releases of Metasys or Facility Explorer system  software, it is recommended that the system software be kept up to  date. Repair Information If the NS Series Network Zone Sensor or the NS Series Network  Discharge Air Sensor fails to operate within its specifications, replace  the unit. For a replacement sensor, contact the nearest  Johnson Controls® representative.