Selecting Temperature and Humidity Window
Press main unit UP or DOWN arrow buttons until the IN icon 
on the upper right will flash.
Viewing Temperature and Humidity for each Channel
At any time simply press the CHANNEL button to recall a different remote thermo hygrometer channel.
Channel Auto-Scan Display:
To enable automatic scan of all available channels, press and hold CHANNEL button, until the 
icon is displayed. Channels will be alternately displayed with a
Temperature and Dew Point Displays
With Temperature and Humidity icon flashing, press the SET button to alternate between “temperature and relative humidity” or “dew point and relative humidity.”
Temperature in Celsius or Fahrenheit
With Temperature and Humidity icon flashing, press and hold the SET button to alternate between temperature in Celsius (ºC) or Fahrenheit (ºF).
Temperature Alarm
With Temperature and Humidity icon flashing, press the ALARM/CHART button once every time to recall a current
temperature for the corresponding channel, the upper temperature alarm limit with 
icon, or lower temperature alarm limit
with 
icon (if disabled, displays OFF). You can program temperature alarm limits for all five temperature and humidity channels