Care & Maintenance
Display Unit Care
Clean with a soft, damp cloth. Do not use caustic cleaners or abrasives. Keep away from dust, dirt and moisture. Clean ventilation ports regularly with a gentle puff of air.
Calibration
Calibrate Temperature & Humidity
The indoor / outdoor temperature and humidity readings can be calibrated on the display unit to improve accuracy. Calibration improves accuracy when
1.Choose the weather category you wish to calibrate by pressing the “▲” or “▼” buttons until the category is displayed on the Selectable Category part of the display unit.
2.Press AND HOLD the “▲” and “▼” buttons and the “SET” button all at the same time for
•The display unit beeps, and all display data is hidden except for the value being calibrated.
•“ 
” (calibrate) and arrows appear next to the value being calibrated.
3.Press the “▲” or “▼” buttons to calibrate the data value higher or lower from the actual reading.
4. Press the “SET” button to confirm the calibration adjustment. Note: The “ 
” icon remains illuminated next to calibrated values. 
14