Interference Analyzer (Option 25)
3-15 Measurements Menu
Spectrum Analyzer MG
PN: 10580-00349 Rev. M
3-69
Direction Finding Menu
Key Sequence:
Measurements
> Interference Mapping > Direction Finding
Direction Finding Antenna Selection:
Opens the Antenna Selection
submenu for selecting the directional antenna, running an external
antenna self-test, and running an external compass calibration.
None:
When no interference hunter is connected, the instrument
automatically defaults to this setting.
MA2700 Handheld:
Press this button when using the Anritsu
MA2700A for interference hunting.
External Antenna Self-Test:
Press to run the External Antenna
Self-Test. The MA2700A Self-test dialog opens and runs various
power tests, link tests, and a Serial Flash test. The test window is
dismissed if you touch the screen outside the window area.
External Compass Calibration:
Opens the Compass Calibration
menu and the calibration display screen. Follow the onscreen
instructions.
Back:
Returns to the Direction Finding menu.
Antenna Bearing Offset:
Adjusts the antenna bearing line in the same
direction as the directional antenna.
Press the button and enter a value between -180 and 180 then select the
direction of the offset by pressing either the Degrees Clockwise
terminator button or the Degrees Counter-clockwise terminator button.
Note: Clockwise is from the top (0°) to the right (90°), then down (180 or
-180), and then to the left (-90°), and back up to the top
.
This allows the user to:
•
Correct for local magnetic anomalies that are not accounted for in
the True North from Magnetic North correction.
•
Use an antenna null, rather than the main lobe.
•
Use an antenna where the main lobe doesn't point in the same
direction as the MA2700A.
Antenna Preamp On Off:
When set to On, the preamplifier for the
MA2700A is activated and the firmware will attempt to turn on the
instrument’s preamp based on current instrument settings. When set to
Off, the MA2700A preamp is bypassed and the instrument’s preamp is
turned off.
Note: The instrument preamp can be turned on and off independently of
the MA2700A preamp. Refer to
Back:
“Interference Mapping Menu” on page 3-66
Figure 3-63.
IA Direction Finding Menu
Direction Finding
Antenna Bearing
Offset
0 º
Direction Finding
Antenna
Selection
Antenna Preamp
On Off
Antenna Selection
MA2700
Handheld
External
Antenna
Self-test
External
Compass
Calibration
None
Back
Back
Содержание BTS Master
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