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decreases the transmission range by the factor shown below.
RF Signal Strength Reduction
3.7 Snooze/Light Button
3.7.1 Backlight Operation
The backlight operation is different when operating on batteries to save power.
3.7.1.1 Backlight Operation, Battery Power
To temporarily turn on the back light for five seconds, press the SNOOZE/LIGHT button on the top
of the console.
To turn on the backlight for 30 minutes, press and hold the SNOOZE/LIGHT button on the top of the
console for two seconds.
To turn off the backlight at any time, press and hold the SNOOZE/LIGHT button for two seconds.
3.7.1.2 Backlight Operation, AC Power (optional)
The AC power plug is optional.
To temporarily turn on the back light for five seconds, press the SNOOZE/LIGHT button on the top
of the console.
To turn on the backlight permanently, press and hold the SNOOZE/LIGHT button on the top of the
console for two seconds.
To turn off the backlight at any time, press and hold the SNOOZE/LIGHT button for two seconds.
3.7.2 Snooze Operation
If the alarm is sounding, press the SNOOZE/LIGHT button to silence the alarm. The alarm icon will
flash while in snooze mode. The alarm will sound again in 5 minutes. The snooze mode will continue
indefinitely. Press any key on the front of the display to cancel the snooze mode.
3.8 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%.
3.8.1 Temperature Calibration
In normal mode, press and hold the SET and CHANNEL/+ keys at the same time for five seconds to
enter the temperature calibration mode. The indoor temperature will begin flashing.
Press the [+] or [-] key to increase or decrease the temperature reading (in increments of 0.1). Press