Ventus W177 User Manual - page 11
IN/OUT DEW POINT
Dew point is the saturation point of the air, or the temperature to which the air has to be cooled in order
to get condensation.
Press HEAT INDEX / DEW POINT button twice to show the respective indoor or outdoor dew point
reading on the display. “DEW POINT” icon will appear.
DAILY, WEEKLY, MONTHLY & ACCUMLATED RAINFALL
The wireless rain gauge provides daily, weekly, monthly and accumulated rainfall measurements.
Press “RAIN/CLEAR” repeatedly to switch between the different modes and the corresponding “DAILY”,
“WEEKLY”, “MONTHLY” or “TOTAL” icon will appear indicating your current display mode.
In daily, weekly or monthly rainfall display, hold “RAIN/CLEAR” to clear all daily, weekly & monthly
rainfall reading to zero. In total rainfall display, hold “RAIN/CLEAR” to clear total rainfall reading.
Press “RAIN UNIT” on the back casing to change the unit between mm and inch.
RAINFALL HISTORY
This unit has a large capacity memory that can store and display:
-
Daily rainfall (up to last six days as well as current day)
-
Weekly rainfall (up to last six weeks as well as current week)
-
Monthly rainfall (up to last six months as well as current month)
Press “RAIN” to select daily, weekly or monthly rainfall display mode. Press “RAIN HISTORY”
repeatedly to scroll through the current & last 6 days/weeks/months data corresponding to your
selected rainfall mode. On the bar chart display, the “0” represents the current period. –1, –2, etc
indicate the prior periods. The precise rainfall reading of the selected period will be shown on the
display.
Example 1:
In April, press “RAIN HISTORY” repeatedly in the monthly rainfall mode until “–3” bar chart is shown.
The bar chart and reading indicate the monthly rainfall record in January (from 1st Jan to 31st Jan)
Example 2:
On Wednesday, press “RAIN HISTORY” repeatedly in the weekly rainfall mode until “-1” bar chart is
shown. The bar chart and reading indicate the weekly rainfall recorded last week (from last Sunday to
last Saturday).
Example 3:
On Friday, press “RAIN HISTORY” repeatedly in the daily rainfall mode until “–2” bar chart is shown.
The bar chart and reading indicate the daily rainfall record on this Wednesday.
WIND SPEED & DIRECTION
The weather station uses the anemometer to sample the wind speed and direction. You can set the