22
jump to Step 4.
2.
If required, use the UP Arrow to select (highlight) CALIBRATIONS: then press the
LEFT/RIGHT arrows as need to select FREQUENCY SPECIFIC
3.
Press ESC to save and exit Mode Menu
4.
Press the “Freq” key once to select by Start and End frequencies and twice to select by Center
Frequency and Span.
5.
Press ESC to exit to the Frequency Specific Calibration Screens
6.
First prompt will be to attach: OPEN. As said previously the open N connector, adapter, or
test lead will generally suffice, although using the OPEN cal standard will yield the most
consistent results.
7.
Press ENTER to continue
8.
Second prompt will be to attach the SHORT Terminator.
9.
When attached press ENTER to continue
10.
Last prompt will be to attach the LOAD. Normally this will be a 50 Ω load supplied with the
instrument or purchased locally.
11.
When attached press ENTER to continue and end the Frequency Specific calibration process.
The MRI-3000 will return to the SWR/RL Measurement screen and start measuring. You can
now attach an antenna or other device to be measured and you can switch between SWR and
Return Loss. If you desire to change the frequency, the MRI-3000 will cycle back through the
Frequency Specific Calibration process again.
