| High waves - no problem! An electronic filter cancels out fluctuations in indicated air pressure caused by operation in rough water.
Storm Warning
Weather conditions, particularly wind strength, are dependent on the rate at which air pressure changes. For any given geographical position, a given rate of change of air pressure may be defined as indicating an imminent storm. To provide prompt warning of this, the Meteograf has an aural and a visual alarm, which is activated when the rate of change of atmospheric air pressure exceeds a preset limit. This limit is adjusted by the operator to suit the perceived danger level. (Note that, if required, the operator can turn the aural warning off, leaving only the visual warning active.) |
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Transport Mode
Transporting the Meteograf usually results in a change in altitude, which in turn produces a change in air pressure unrelated to any meteorological effects. When in ‘Transport’ mode, the Meteograf ignored these changes and displays the current altitude on its LCD display. When the relocation is complete, the Meteograf can be easily reset to its normal display mode. An overall correction to the display can then be made to account for any weather-related pressure changes whilst the device was in ‘Transport’ mode. |
