Version 1.1 ©Copyright 2015, Ambient LLC. All Rights Reserved. Page 10
The following is a table of reception loss vs. the transmission medium. Each “wall” or obstruction
decreases the transmission range by the factor shown below.
RF Signal Strength Reduction
5.6 Adjustment or Calibration
Note: The calibrated value can only be adjusted on the console. The remote sensor(s) always
displays the un-calibrated or measured value.
The purpose of calibration is to fine tune or correct for any sensor error associated with the devices
margin of error. The measurement can be adjusted from the console to calibrate to a known source.
Calibration is only useful if you have a known calibrated source you can compare it against, and is
optional. This section discusses practices, procedures and sources for sensor calibration to reduce
manufacturing and degradation errors. Do not compare your readings obtained from sources such as
the internet, radio, television or newspapers. They are in a different location and typically update once
per hour.
The purpose of your weather station is to measure conditions of your surroundings, which vary
significantly from location to location.
5.6.1 Remote Sensor Temperature Calibration
Prior to entering the calibration mode, press the CH/+ button to select the remote temperature sensor
you wish to adjust.
To enter the temperature calibration mode, press and hold the SET and CH/+ buttons at the same time
for 5 seconds and the remote temperature value will begin flashing. Press the CH/+ 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 CH/+ or MIN/MAX button.
To return the temperature to the actual or uncalibrated measurement, press the SET button.
Once the displayed temperature equals the calibrated source, press and hold the SET button for three
seconds, or wait 15 seconds for timeout, and the temperature value will stop flashing.
5.6.2 Indoor (Console) Temperature Calibration
To enter the indoor temperature calibration mode, press and hold the SET and MIN/MAX buttons at
the same time for 5 seconds and the IN-TEMP temperature value will begin flashing. Press the CH/+
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 CH/+ or
MIN/MAX button.
To return the temperature to the actual or uncalibrated measurement, press the SET button.
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