SPECIFICATIONS
Temperature--
Range: -22 to 158 °F / -9 to 70 °C Resolution: 0.5°
Barometric Pressure--
Range: 23.62 to 31.01 inches of mercury (inHg) 800 to 1050 millibars (mb)
Resolution: 0.03 inHg / 1 mb Update Rate: 15 minutes
Altitude Adjustment--
Range: -900 to 3600 feet / -300 to 1200 meters Increments: 30 feet / 10 meters
SETTING THE DATE AND TIME-OF-DAY
1.Press the SET button (the year will flash.)
2.Press the + or – button to select the current year.
3.With the desired year displayed, press the SET button (the date will flash).
4.Press the + or – buttons to select the current date. The date will cycle through the day number first and as the day number passes to the next month, the month will change. Press and hold the + or – button to change the date rapidly.
5.With the desired date displayed, press the SET button (the time-of-day will flash).
6.Press the + or – buttons to select the current time-of-day.
7.With the desired time-of-day displayed, press the SET button (the time-of-day format will flash).
8.Press the + or – buttons to select 12 or 24 hour time-of-day format.
9.With the desired 12/24 hour setting displayed, press the SET button. This will confirm the date and time setting and exit the setting mode.
While in the setting mode, if no buttons are pressed, after approximately 10 seconds the unit will exit from the setting mode.
SELECTING UNITS OF MEASURE
Each press of the UNITS/+ button (located on the right side of the unit) will toggle the display between °C and mb and °F and inHg for temperature and barometric pressure.
ALTITUDE ADJUSTMENT
The default altitude value is 0. For displaying barometric pressure at sea level, no altitude setting is required (the altitude should remain 0).
For monitoring the barometric pressure adjusted to sea level, the local altitude must be entered by following these steps:
The default altitude value is 0. When displaying the barometric pressure in millibars, the altitude is able to be set in 10 meter increments from -300 to 1200 meters. When displaying the barometric pressure in inches of mercury, the altitude is
able to be set in 30 foot increments from -900 to 3600 feet. (See the “Selecting Units of Measure” section.)
1.Press the CAL button (located in the battery compartment) for 3 seconds (the altitude will flash)
While in the setting mode, if no buttons are pressed, after approximately 10 seconds the unit will exit from the setting mode.
2.Press the UNITS/+ or – button (located on the side of the unit) to set the desired altitude.
3.With the desired altitude displayed, press the CAL button (the barometric pressure adjusted to sea level will now appear on the display).
BAROMETRIC PRESSURE TREND CHART
The barometric pressure trend chart shows the barometric pressure variance over the past 12 hours. The variance is represented in rows of inches of mercury in 0.06 inHg increments (left side of display) and millibars in 2 mb increments (right side of display) above or below the current barometric pressure. The current barometric pressure is indicated at “0 Hr” and “0” (no variance).
The chart is plotted by comparing the past barometric pressure to the current barometric pressure. The scale on the sides show the comparison results. The “0” in the middle of the scale indicates “no change” from the current barometric pressure reading.
It is only possible to accurately display the barometric pressure trend if the unit remains at the same altitude for the 12 hour period.
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