Humidity Calibration; Wind Speed, Rainfall And Barometric Pressure Calibration - Ambient Weather WS-12 User Manual

Press the [+] or [-] key to increase or decrease the temperature reading (in increments of 0.1).
Press and hold the [+] or [-] key for three seconds to increase or decrease rapidly.
Press the ALARM key to reset current value.
Press the SET key switch to next channel (1through 8). To exit the calibration mode at any
time, press the SNOOZE/LIGHT button on the top of the display console. If no operation is
performed, the calibration mode will timeout in 30 seconds.

7.10.2 Humidity Calibration

In normal mode, press and hold the SET and HISTORY/- keys at the same time for five
seconds to enter the humidity calibration mode. The indoor humidity will begin flashing.
Press the [+] or [-] key to increase or decrease the humidity reading (in increments of 1%).
Press and hold the [+] or [-] key for three seconds to increase or decrease rapidly.
Press the ALARM key to reset current value.
Press the SET key switch to next channel (1through 8). To exit the calibration mode at any
time, press the SNOOZE/LIGHT button on the top of the display console. If no operation is
performed, the calibration mode will timeout in 30 seconds.
Note: Humidity is a difficult parameter to measure accurately and drifts over time. The
calibration feature allows you to zero out this error. To calibrate humidity, you will need an
accurate source, such as a sling psychrometer or Humidipaks One Step Calibration kit.
7.10.3 Wind
Calibration
In normal mode, press and hold the SET and ALARM keys at the same time for five seconds to
enter the wind speed, rainfall and pressure calibration mode. The wind speed will begin flashing.
Press the [+] or [-] key to increase or decrease the wind speed reading. Press and hold the [+] or [-]
key for three seconds to increase or decrease rapidly.
Press the ALARM key to reset current value.
Press the SET key switch to rainfall, absolute pressure and relative pressure. To exit the
calibration mode at any time, press the SNOOZE/LIGHT button on the top of the display console.
If no operation is performed, the calibration mode will timeout in 30 seconds.
1. Wind Speed (Gust) Calibration.
Calibration gain will begin flashing (the default is 1.0). Press the [+] or [-] button to adjust the wind
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Speed, Rainfall
After entering the Calibration Mode, the Wind Speed
and Barometric Pressure
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