User's Manual
8.9.1TemperatureCalibration
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 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 outdoor temperature 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.
8.9.2SettingCalibratedHumidity
In normal mode, press and hold the SET and MIN/MAX/- 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 outdoor humidity 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.
8.9.3SettingCalibratedwindspeed,RainfallandPressure
In normal mode, press and hold the SET and ALARM keys at the same time for five seconds to enter the
pressure and rainfall calibration mode.
Press the SET key switch to rainfall and absolute 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.
1.0 Absolute Pressure Calibration. Press the SET key again to enter the pressure calibration mode. Press the
[+] or [-] key to increase or decrease the pressure reading (in increments of 0.1hPa)
Note: The display console displays two different pressures: absolute (measured) and relative (corrected to
sea-level).
To compare pressure conditions from one location to another, meteorologists correct pressure to sea-level
conditions. Because the air pressure decreases as you rise in altitude, the sea-level corrected pressure (the