Bird Technologies SK-4000-TC-Manual - Manual (Page 19)

7
Chapter 2 Calibration
Calibration
Calibrating the SiteHawk SK-4000 Analyzer
For best results, set the frequency and calibrate the Bird Site Analyzer immedi-
ately before taking measurements.
Note: Use a precision open, short, load (OSL) calibration standard or
"Calibration Combo" for accurate measurement results.
Note:
When using an extension cable, a phase stable cable is needed
to ensure performance and accuracy.
1. Press the Calibrate icon.
2. Connect the Cal Combo “Open” connector to the unit antenna port.
3. Press the Open softkey.
4. Wait for the unit to sweep and a Green Check to display.
5. Connect the Cal Combo “Short” connector to the unit antenna port.
6. Press the Short softkey
7. Wait for the unit to sweep and a Green Check to display.
8. Connect the Cal Combo “Load” connector to the unit antenna port.
9. Press the Load softkey
10. Wait for the unit to sweep and a Green Check to display.
Note: During calibration, the color of the icon display is yellow.
Note: After calibration, the display will resemble Figure 4 on page 7
and the unit will be set to On.
Note:
Changing the frequency settings will automatically turn cali-
bration off. Always set the frequency before calibrating the unit.
Figure 2 Calibration Display Screen
.1 Calibration Display Screen
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