NARDA nbm-520, Operating Manual

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4.6 Selecting the result type
Narda NBM-520
27
ACT (Actual)
The actual field strength value measured at the moment is
displayed.
If the measured value is outside the instrument’s measure-
ment range or if it cannot be shown correctly on the display,
appropriate symbols are displayed on the left to indicate
this.
Table 2 Symbols indicating value outside range limits.
MAX (Maximum)
The maximum value measured during the current measure-
ment is always displayed. Measurement of the maximum
value starts as soon as you switch on the instrument. The
measured value memory is cleared if you change the probe
or press the “Clear” button.
⇒
Press the
Clear
button to reset the maximum value and
restart the measurement.
AVG (Average)
The average value is determined from the current measure-
ment values and then displayed. The period of time over
which the average is taken can be set using the PC soft-
ware.
The progress of forming the average is shown by the
remaining time display. The time counts down to 0. When
the averaging time has elapsed, the remaining time display
is no longer shown.
⇒
Press the
Clear
button to reset the average value and re-
start the measurement.
The measured value is below the measurement
range of the probe.
The measured value is above the measurement
range of the probe.
The measured value is above the instrument dis-
play range.
Remaining time display