Version 1.0 ©Copyright 2015, Ambient LLC. All Rights Reserved. Page 9
4.7 Backlight Operation
The backlight operation is different when operating on batteries to save power.
4.7.1 Backlight Operation, Battery Power
To temporarily turn on the back light for five seconds, press the LIGHT button on the top of the
console.
To turn on the backlight for 30 minutes, press and hold the LIGHT button on the top of the console
for two seconds.
To turn off the backlight at any time, press and hold the LIGHT button for two seconds.
4.7.2 Backlight Operation, AC Power (optional)
The AC power plug is optional.
To temporarily turn on the back light for five seconds, press the LIGHT button on the top of the
console.
To turn on the backlight permanently, press and hold the LIGHT button on the top of the console for
two seconds.
To turn off the backlight at any time, press and hold the LIGHT button for two seconds.
Note: When AC power plug in, the backlight will turn on permanently.
4.8 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.
Note: The measured humidity range is between 10 and 99%. Humidity cannot be accurately
measured outside of this range. Thus, the humidity cannot be calibrated below 10% or above 99%.
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.
4.8.1 Indoor Temperature and Humidity Calibration
Press and hold the ADJUST and MIN/MAX buttons at the same time for 5 seconds and the indoor
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.
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