User's Manual

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toggle between the unit “mph”, “km/h”, "bft", "knots" or “m/s”
2. Press the SET key to confirm and to enter the RAINFALL UNIT SETTING.
RAINFALL UNIT SETTING
The rainfall unit can be set as inch or mm. The default unit is inch.
1. Press the ŸUP ARROW key or źDOWN ARROW key to
toggle between the unit “inch” or “mm”
2. Press the SET key to confirm and to enter the RELATIVE
AIR PRESSURE UNIT SETTING
RELATIVE AIR PRESSURE UNIT SETTING
The relative air pressure can be set as inHg (inches of mercury) or hPa
(hectopascal). The default unit is inHg.
1. Press the ŸUP ARROW key or źDOWN ARROW key to
toggle between the unit “inHg" or “hPa”
2. Press the SET key to confirm and to enter the RELATIVE
PRESSURE REFERENCE VALUE SETTING.
RELATIVE PRESSURE REFERENCE VALUE SETTING
Note: For an exact measurement, it is necessary to first adjust the barometer
to your local relative air pressure (related to elevation above sea level). Ask for
the current air pressure of your home area (local weather service, the world
wide web, optician, calibrated instruments in public buildings, airport). The
default reference pressure-value is 29.91inHg.
The relative air pressure can be manually set to another value within the range
of 27.17 to 31.90 inHg (920 to 1080 hPa) for a better reference.
1. The current relative pressure value will start flashing.
2. Press the ŸUP ARROW key or źDOWN ARROW key to
increase or decrease the value. Continually holding the
key will allow the value to increase faster.