Major tech MT948 Manual de instrucciones - Página 6
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Data Hold (Air Velocity/Air Flow)
1. While taking measurements, press the HOLD button to freeze the air velocity/air flow
reading.
2. The HOLD indicator will appear in the bottom of the LCD display.
3. Press HOLD again to return to normal operation.
MAX/MIN/AVG Record (Air Velocity/Air Flow)
This allows the user to record and view the highest (MAX), lowest (MIN) and average
(AVG) readings.
1. Press the button MAX/MIN button. The MAX indicator and RECORD indicator along
with the Max reading will appear on the LCD display and the meter will begin keeping
track of the MAX, MIN and Average values.
2. Press the MAX/MIN button again to view the minimum reading. The MIN indicator
along with the minimum reading will appear on the LCD display.
3. Press the MAX/MIN button again to view the average reading. The AVG indicator
along with the average reading will appear on the LCD display.
NOTE: Average recording will stop automatically after 2 hours, and the upper LCD
sub-display will show a OFF (only in the average mode).
4. Press the MAX/MIN button again to display current readings. NOTE: the meter will
keep recording MAX/MIN/AVG readings.
5. To clear and stop MAX/MIN/AVG recording and return to normal operation, press and
hold the MAX/MIN button until the meter beeps twice.
Automatic Power OFF
To conserve battery life, the meter automatically turns off after 20 minutes. To defeat this
feature:
1. Turn the meter OFF.
2. Press and hold the
3. "dis APO" will appear in the display. The AUTO POWER OFF feature will now be
disabled.
4. Note that AUTO POWER OFF is re-enabled each time the meter is turned on.
5. Also note that AUTO POWER OFF is disabled in CFM/CMM or Average mode.
Battery Replacement
When
appears on the LCD, the 9V battery must be replaced.
1. Disconnect the sensor.
2. Remove the meter's rubber protective jacket
3. Use a Phillips screwdriver to open the rear battery compartment
4. Replace the 9V battery
5. Close the battery compartment and replace the meter's protective jacket
(Backlight) key while turning the meter ON.
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