Ambient Weather WS-1900A User Manual

Version 1.2 ©Copyright 2020, Ambient LLC. All Rights Reserved. Page 16
[SET]
Temperature
Units of
Measure
Press [WIND +] to change temperature units of
measure between °F and °C.
[SET]
Wind Units of
Measure
Press [WIND +] to change wind units of measure
between km/h, mph, knots, m/s and bft.
[SET]
Rain Units of
Measure
Press [WIND +] to change rain units of measure
between in and mm.
[SET]
Hemisphere
Press [WIND +] to change hemisphere between
NTH (northern) and STH (southern). This setting
effects the moon phase display.
[SET]
Exit Set Mode
[SET] + 2 seconds means press and hold the SET button for two seconds.
[SET] means press the SET button.
Figure 16
6.4 Barometric Pressure Display
6.4.1 Viewing Absolute vs. Relative Pressure
To switch between absolute and relative pressure, press and hold the [PRESSURE -] button for two seconds.
Absolute pressure is the measured atmospheric pressure, and is a function of altitude, and to a lesser extent, changes
in weather conditions.
Absolute pressure is not corrected to sea-level conditions.
Relative pressure is corrected to sea-level conditions. For further discussion of relative pressure and calibration,
reference Section 6.4.4.
6.4.2 Rate of Change of Pressure Graph
The rate of change of pressure graphic is shown to the left of the barometric pressure and signifies the difference
between the daily average pressure and the 30 day average (in hPa).

Ambient Weather WS-1900A Specifications

General

Brand	Ambient Weather
Model	WS-1900A
Category	Weather Station
Language	English