User's Manual

Once the displayed temperature or humidity equals the calibrated source,

press and hold the ADJUST button for three seconds, or wait 15 seconds

for timeout, and the indoor temperature or humidity value will stop

flashing.

4.8.2 Outdoor Temperature and Humidity Calibration

Prior to entering the calibration mode, press the CHANNEL/+ button to

select the outdoor temperature and humidity you wish to adjust.

Press and hold the ADJUST and CHANNEL/+ buttons at the same time

for 3 seconds and the outdoor temperature value will begin flashing. Press

the CHANNEL/+ button to increase the temperature and the MIN/MAX/-

button to decrease the temperature reading in 0.1° increments. To rapidly

increase (or decrease) the temperature reading, press and hold the

CHANNEL/+ or MIN/MAX/- button.

To return the temperature to the actual or uncalibrated measurement,

press the ADJUST button.

Press and hold the ADJUST and CHANNEL/+ buttons at the same time

for 3 seconds again, and the outdoor humidity value will begin flashing.

Press the CHANNEL/+ button to increase the humidity and the MIN/MAX/-

button to decrease the humidity reading in 1% increments. To rapidly

increase (or decrease) the humidity reading, press and hold the

CHANNEL/+ or MIN/MAX/- button.

To return the humidity to the actual or uncalibrated measurement, press

the ADJUST button.

Once the displayed temperature or humidity equals the calibrated source,

press and hold the ADJUST button for three seconds, or wait 15 seconds

for timeout, and the outdoor temperature or humidity value will stop

flashing.

Discussion: Humidity is a difficult parameter to measure

electronically and drifts over time due to contamination. In addition,

location has an adverse affect on humidity readings (installation over dirt

vs. lawn for example).