
Operation Guide 
USING THE SUB-UNIT 
Data Transfer from the Sub-unit 
•Data is transferred from the 
•The 
•The data receive status is indicated on the display of the main unit by the icons shown below.
| Receive successful | Receive unsuccessful | 
•If a receive operation is not successful for some reason, the display of the main unit shows dashes 
•If you experience problems with data transfer, press the 
Switching between Celsius and Fahrenheit
•Push the °C/ °F button (A) to toggle between Celsius (°C) and Fahrenheit (°F).
| Celsius (°C) | Fahrenheit (°F) | 
°C/ °F button (A)
Location
•Place the 
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