times and change units. Repeat this step as necessary to
select "mm" (hg), "mb", or "hPa".
4. To set the barometric pressure reading, press and hold
and
simultaneously for at least three seconds. The
display will flash three times, and the reading will begin to
change. Press
or
as required to adjust the display
to match current local barometric pressure.
5. Press and release
again to return to normal operation.
6. If you wish to change units, perform step (3) again to
select desired units. All barometric pressure readings will
thereafter be displayed in the units selected.
SELECT TEMPERATURE UNITS
Temperature is initially displayed in degrees Fahrenheit. Use
the following procedure if you prefer degrees Celsius.
1. Press and release the
key.
2. Press
again and hold until the display stops flashing.
Temperature will be displayed in Celsius. To return to
Fahrenheit, repeat this step.
NOTE: Units for wind chill
and dew point
d.p.
will be the
same as for temperature.
SELECT WIND SPEED UNITS
Wind Speed is displayed initially in mph. You may select m/s,
knots, or km/h as preferred.
1. Press and release the
key.
2. Press
again and hold until the display stops flashing.
Wind speed will be displayed in m/s.
3. Repeat this procedure to select knots or km/h.
SELECT RAIN GAUGE INCREMENTS AND RAINFALL UNITS
If your
ULTIMETER
system does not yet include a self-emptying
rain gauge, you may skip this section and proceed to
"DISPLAYING CURRENT DATA".
Use the procedure below to tell the instrument the measuring
increment of your rain gauge. Allowable rainfall increments are:
0.01 inches, 0.25 mm, 0.1 inches, 0.1 mm, and 2.5 mm.
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