Notes:
The under range or over range indication can
also appear when you recall a measurement
using data hold and the measurement is under
or over the selected range. See "Using Data
Hold."
The meter cannot measure sound levels lower
than
50
dB or higher than 126 dB.
USING DATA HOLD
The data-hold function lets you store the current
measurements in memory and
freeze
a measure-
ment on the display. The meter stores the continu-
ous average, the maximum, and the minimum
sound levels for the last 1 second.
To store the current measurements, press
DH
du-
ring a continuous average or maximum measure-
ment. The last average measurement or last
maximum measurement (with
MAX)
appears on
the display.
DH
RESET
MIN
MAX
(0
0
Press
MIN
to freeze the current minimum mea-
surement.
MIN
also appears on the display. Press
MIN
again to return to the average measurement.
Press
RESET
to return to a continuous average or
maximum measurement.
Notes:
You cannot change the
RESPONSE
and
WEIGHTING
settings during data hold.
When you set
RANGE
to a different range du-
ring data hold, you cancel the function and
return to a continuous measurement.
MAKING AN INTEGRATED
AVERAGE MEASUREMENT
Follow these steps to monitor the sound level and
average the measurement over a preset time
period of 1 to 199 seconds. The meter stores the
average, the maximum, and the minimum sound
levels during the set time period.
1. Press and hold down
DH
for about 2 seconds
during a continuous average or maximum
measurement.
1
appears on the display.
Press
MAX
to freeze the current maximum mea-
surement if the last average measurement (with-
out
MAX)
is on the display. Press
MAX
again to
return to the average measurement.
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