User's Manual

Page 23 of 25 Rev: 3/1/2012 3:06 PM
Temperature Calibration Mode
1) Once in User Setup Mode, press the Time / Sensor button to enter Temperature Calibration Mode
2) Press Mode to step between Temperature Calibration and Humidity Calibration
3) Temperature Calibration
a. Press up and down arrow to adjust the displayed temp
i. Each press results in a 1 degree change
ii. The calculation using example numbers below is 78 = 77 + 1.4
iii. The offset range is from –10 to +10
b. The top left number (77 in example) is current reading according to the temperature sensing chip
c. The top right number (14 in example) is the current offset
d. These numbers can change while this screen is displayed even though the primary temp does
not change because they are actually floating point calculations
Humidity Calibration Mode
4) Once in Temperatur Calibration Mode, press the Mode button to enter Humidity Calibration Mode
5) Press the Up or Down button to select the current humidity level
The top numbers represent:
i. 40 is what the humidity sensor sees
ii. -92 the offset from current reading
iii. The offset is from -10 to +10
iv. The displayed number needs to be multiplied by 0.1 to get the actual offset
6) Press Program to exit the Calibration mode