3. SEARCH: Searches for sensors or for the radio-
controlled clock signal
4. UNIT: Selects unit of measurement
5. Battery compartment
6. WMR100 only – EU / UK radio signal
7. USB connector
1. LCD display (the THGN810 does not have an LCD
screen): Shows the channel number, temperature
and humidity readings, and comfort level
2. LED status indicator
1
2
3
1. RESET hole
2. °C / °F switch (THGN810 does not have this switch)
3. CODE switch
4. Battery compartment
4
4