La Crosse 2800 Series Frequently Asked Questions Manual - page 17
La Crosse Technology Technical Support, Rev. 1.1
Page 17
Press and release the MIN/MAX button to show the desired weather data. Press
▲UP ARROW button. The stored value will reset to the current value and current
time.
Reset Total Rainfall: The Total Rainfall measurement displayed shows the total
rainfall accumulated since last reset of the total rainfall amount.
Press and release the MIN/MAX button until the display shows the Total
Rainfall value.
To reset the rainfall reading, press the
▲UP ARROW button. The total rainfall
amount will reset to 0, and the time updated to current time.
NOTE
: Until the first rainfall total reset is performed, the time and date of the
total rainfall are displayed as '- - -.--.----'. After the rainfall total is reset, the
rainfall total display will indicate the date and time of the last rainfall total reset.
CAUTION:
If you reset total rainfall manually on the display and synchronize
with HeavyWeather Pro software, you may create confusion with a data
mismatch. If you reset the display, then make a new history.dat file in the
software.
PRESSURE READS INCORRECT
Enter the program menu to select the pressure unit of measure (inHg is common in
the USA) and set the actual Relative Pressure numbers on the display. Set the
display pressure to a known value from the local reporting station.
PRESSURE SHOWS DASHES OR OFL
This is generally a power related issue that is easily resolved.
Enter the Program menu and go to rES OFF. Use the UP ARROW or DOWN
ARROW button to select ON and the display will start a 2-minute count down.
Remove the batteries from the display for a period of 1-hour. Press any
button 20 times with power removed.
Remove the batteries from the TH sensor and Rain gauge as well.
After 2-hours, install batteries into the Rain gauge, then into the TH sensor
and let them sit for 2-minutes.
Then install fresh alkaline batteries into the display and let it search for the
sensors for 15-minutes. Do not touch any buttons at this time.