Major tech MT948 Buku Petunjuk - Halaman 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.