5
Setup and Operation
(continued)
Data Hold (Air Velocity/Airflow)
1. While taking measurements, press the
HOLD
button to freeze the
air velocity/air flow reading.
2. The
HOLD
indicator will appear in the middle of the LCD.
3. Press
HOLD
button again to return to normal operation.
MAX/MIN/AVG Record (Air Velocity/Airflow)
This allows the user to record and view the highest (MAX), lowest (MIN),
and average (AVG) readings.
1. Press the
MAX/MIN
button. The
MAX
indicator and
REC
indicator along
with the maximum reading will appear on the LCD 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.
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.
Note:
Average recording will stop automatically after 2 hours, and the
upper LCD subdisplay will show OFF (only in the average mode).
4. Press the
MAX/MIN
button again to display current readings. Now only
REC
is displayed and the meter will continue recording MAX/MIN/AVG
readings.
5. To clear and stop MAX/MIN/AVG recording and return to normal opera-
tion, 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 disable this feature:
1. Turn the meter off.
2. Press and hold the
BACKLIGHT
button while turning the meter on.
3. “dis APO” will appear in the display. The Auto power-off feature will now
be disabled.
Note:
Auto power-off is re-enabled each time the meter is turned on. Also
note that Auto power-off is disabled in CFM/CMM or Average mode.
