5.9 Measuring with a test standard
Narda NBM-550 59
Step 1: Select a test standard
1. Open the Standard function
(MAIN/MEASUREMENT SETTINGS/...).
2. Use the arrow keys ▲/▼ to select a standard and press
the OK key.
Step 2: Select the reference frequency
Open the Frequency function
(MAIN/MEASUREMENT SETTINGS/...).
You can now
• use a calibrated frequency from the memory (the probe
is calibrated at these frequencies) or
• enter a frequency value of your choice.
Using a calibrated frequency
1. Press the ▲ or ▼ arrow key
The measuring frequency is set to the next higher or
next lower calibrated frequency.
2. Press the OK key to confirm the setting and then use the
ESC key to exit from the menus.
Entering a frequency manually
1. Press the Edit function key.
2. Select the digit using the / function keys.
3. Change the value using the arrow keys ▲/▼.
4. Press the OK key when you have completed the settings
to confirm them and then press the ESC key to exit from
the menus.
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