RST 02555 [22/28] Manual 2011 02555manual 2011 25 6 011 14 59 page 22

Once you have selected pressure sensitivity, storm threshold is internally calculated by adding 2hpa from

your selected normal pressure sensitivity. When there is a fall over pressure threshold within 3 hours, the storm fore-

casting will be activated, the storm icon will flash indicating the storm warning feature has been activated.

The base station has three keys for easy operation: SET key, MIN/MAX key, CH/+ key.

The setting mode will return to normal display mode while key idle 30s.

• Press the SET key for 3s to enter the setting mode,

• In the setting mode, press CH/+ key to select the units or scrolls the value. Press MIN/MAX key to decrease

the value.

• Press the SET key to select the following setingsetting in sequence:

1. Temperature display unit degree Celsius or Fahrenheit

2. Air pressure display units in hPa/mB, mmHg or inHg

3.Air pressure value setting from 900hPa to 1080hPa. Relative pressure is referred to sea level’s pressure and

has to be adjusted first. Ask for the present atmospheric pressure of your home area (Local weather serv-

ice, www, optician, calibrated instruments in public buildings, airport).

4. Pressure threshold setting (default 2hPa, see 3.5)

5. Weather forecast icon setting

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Storm warning indicator

Program Mode

Setting Mode

02555Manual-2011:02555Manual-2011 25.06.2011 14:59 Page 22