Care & Maintenance; Calibration - AcuRite 00509 Instruction Manual

If your AcuRite product does not operate properly after trying
the troubleshooting steps, visit www.AcuRite.com or call
(877) 221-1252 for assistance.
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.
Outdoor Sensor Care
Clean with a soft damp cloth. Do not use caustic cleaners or abrasives.

Calibration

Calibrate Temperature & Humidity
The indoor temperature and humidity and outdoor temperature readings can
be calibrated on the display unit to improve accuracy. Calibration can improve
accuracy when sensor placement or environmental factors impact your data
accuracy.
1. To access calibration mode, press AND HOLD the "▲", "▼", and "SET"
buttons for at least 5 seconds.
2. Once in calibration mode, the preference you are currently setting will be
highlighted on the display.
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. The "
will remain illuminated next to calibrated values.
5. The next adjustable data will begin flashing, indicating it is ready to be
calibrated. Repeat Steps 1 - 4 to calibrate additional data.
The preference set order is as follows:
OUTDOOR TEMPERATURE
INDOOR TEMPERATURE
INDOOR HUMIDITY
BAROMETRIC PRESSURE (must be set to MANUAL mode; see page 12)
After 20 seconds of inactivity, the display will save the adjustments and exit
calibration mode. Note: Calibrations will be erased if the display is reset or if
batteries are removed and the power adapter is unplugged.
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