10
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 5-in-1 sensor
placement or environmental factors impact your data accuracy.
1. Choose the weather category you wish to calibrate by pressing the up or down
arrow buttons until the category is displayed on the Selectable Category part of the
display unit.
2. Press AND HOLD the up and down arrow buttons and the “ ” button all at the
same time for 15-20 seconds.
• The display unit beeps, and all display data is hidden except for the value being
calibrated.
• “CAL” (calibrate) and arrows appear next to the value being calibrated.3. Press
the up or down arrow buttons to calibrate the data value higher or lower from the
actual reading.
4. Press the “ ” button to confirm the calibration adjustment. Note: The “CAL” icon
remains illuminated next to calibrated values.