NARDA NBM-550, Operating Manual

Page: 69 / 156

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.