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AVERAGE Feature for the Air Flow Mode
In the Average mode, up to 20 readings can be stored and averaged.
1. In the Air Flow Mode (discussed earlier), press the FUNCTION button momentarily until the
AVG icon and a ‘zero’ appears on the lower LCD display line.
2. Press the AVG START button to record the current reading. A ‘1’ will appear on the lower LCD
line indicating that one reading has been stored.
3. Press the AVG START for up to a total of 20 measurements. The number on the lower LCD line
will increment with each press of the AVG START button letting the user know how many
readings are currently being averaged. Note that only the averaged reading is shown while in
this mode, not the actual reading.
4. To clear (erase) all of the currently stored readings and start again, press and hold the AVG
button until the meter beeps twice. Note that the counter resets to ‘0’ and that the meter is ready
to start another averaging session.
5. Use the FUNCTION button to exit this mode of operation.
Data Hold Feature
1. While taking measurements, press the HOLD button to freeze a reading.
2. The HOLD indicator will appear on the LCD when the display is in Data Hold mode.
3. Press HOLD again to return to normal operation.
Maximum (MAX) and Minimum (MIN) Recording
The MAX / MIN Record-Recall feature allows the user to record and view the highest and lowest
readings during a measurement session.
1. Press the REC button once. The REC indicator will appear on the display and the meter will
begin keeping track of the MAX and MIN values.
2. To view the MAX reading, press REC again. The MAX indicator along with the maximum
reading will appear on the LCD display.
3. Press REC again to view the minimum value, the MIN indicator along with the minimum reading
will appear on the LCD display.
4. To return to normal operation, press and hold the REC button for approx. 3 seconds (until the
meter beeps). The display indicators REC, MAX, and MIN will disappear.
Note: Auto Power Off is disabled in the RECORD mode.
Auto Power Off
To save battery life, the meter will automatically shut off after approximately 15 minutes of
operation. To temporarily disable this feature (until the meter’s power is cycled), press the REC
button and enter the RECORD mode. Alternatively, go to the advanced programming section (later
in this manual) for instructions on how to disable it long term.
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