NARDA NBM-550, Руководство по эксплуатации

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6 Measurements with the NBM-550 and EHP-50
68
NBM-550 Narda
Average
The average value is determined. You can set the number of
measurements to be used to form the average to 4, 8, 16 or
32.
To change the number of averages:
1. Open the
No. of averages
function
(MAIN MENU/MEASUREMENT SETTINGS/...).
2. Use the arrow keys
▲
/
▼
to select the desired setting and
press the
OK
key to confirm.
3. Press the
ESC
key twice to return to measuring mode.
Changing the frequency range (Span)
You can select the following frequency ranges: 100 Hz,
200 Hz, 500 Hz, 1 kHz, 2 kHz, 10 kHz, 100 kHz or 400 kHz.
The frequency range for WPM is fixed at 1 Hz to 400 kHz

Use the arrow keys
▲
/
▼
to change the Span.
Freezing a measured value
This function is the same as the measurement with HF
probes. See under
“Freezing a measured value”
on
page 47 for more information.
Storing a measured value
This function is the same as the measurement with HF
probes. See under
“Storing a measured value”
on
page 47 for more information.