Figure 12 setting match mode measurement units, Setting the measurement scale limits – Bird Technologies SA-6000XT-Manual User Manual
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Figure 12 Setting Match Mode Measurement Units
Setting the Measurement Scale Limits
The minimum and maximum values on the Y (vertical) scale can be set manually
or choose Auto Scale and let the instrument select values that will display the
entire trace. Values cannot be entered that are outside of the limits of the
instrument (-60 and 0). If the expected results are unsure, set the minimum to –
60 dB and maximum to 0 dB or choose Auto Scale. Auto Scale is available on the
main screen as well as on the mode configure screens. The table below lists typ-
ical worst case values for selected measurements.
1.
Enable the Measure Match Mode. See “Selecting the Measure Match
Mode” on page 13.
2.
Set the frequency. See “Setting the Measurement Frequency” on page 14.
3.
Calibrate the Site Analyzer. See “Calibration” on page 11.
4.
Press the Config key.
5.
Press the Scale softkey.
Note: To enter a manual value, skip this step.
6.
Use the left or right scroll keys to select Auto Scale then press Enter.
7.
Select Min, using the left or right scroll keys, then enter the value or enter –60
and press Enter.
Note: If Auto Scale is selected, skip this step.
8.
Select Max, using the left or right scroll keys, then enter the value or enter –60
and press Enter.
Note: If Auto Scale is selected, skip this step.
9.
Press the Esc key to exit the configure screen.
Component Return Loss Limits
Antenna at Resonance
–14 dB
Connector
–25 dB
Jumper
–35 dB
Lightning Protector
–25 dB
Transmission Line
–30 dB