Antenna Selection; Ambient Noise Level Measurement - Viavi Seeker X User Manual

Chapter 2 Using Your Seeker X

Antenna selection

When the Seeker X is either removed from the Mobile Mount, turned on, or the selected
preset frequency is changed to another frequency band (High to Low, Low to High), the
following will occur:
An suggestion is displayed that tells you which antenna should be used based on
y
the selected preset frequency as shown in the following images.
Attach the proper antenna and then press any button to dismiss the alert.
y

Ambient noise level measurement

This measurement is used to find ambient noise sources such as vehicle wiring, Wi-Fi access
points, or cellular devices that may be emitting RF signals at the currently selected leakage
frequency.
This provides a useful tool for troubleshooting noise issues that may occur when the
Seeker X is installed in close proximity to other devices within a vehicle.
When ambient noise is detected, NOISE is displayed, as shown
here.
The bar graph indicates the relative signal level of the
y
ambient noise.
The RF signal level of the ambient noise is also displayed
y
next to NOISE.
Noise is not indicated when the Seeker X is in the Mobile
y
Mount.
When signal is detected, the Tag icon is displayed.
44
Attach WFS-1 antenna
Seeker X User's Guide
22137808, Rev. 001
Attach WFS-2 antenna
GPS DIST PK FREQ
NOISE
dB
μV
SEEKER X
Noise detected
GPS DIST PK FREQ
NOISE
dB
μV
m
SEEKER X
Signal detected
Feb 2020
m