User Manual Part 2

Lynx.GX Installation and Management
There are 25 bars across the screen, representing 25 measured points spaced 2 MHZ apart from the left of the
display (in this example, 5.721 GHz) to the right of the display (5.769 GHz). The height of the red bar indicates
the highest level of the received signal at that frequency. The height of the green bar is the lowest level of the
received signal at that frequency.
In this example, the far end transmitter of an RF unit was switched on, and the transmit emission mask is
displayed. Normally, the far-end transmitter should be powered off so that any signals received by the spectrum
analyzer can be viewed as potential interferers. The analyzer will continue to scan across the band from lower
frequency (left side of the display) to higher frequency (right side of the display) until stopped by the operator.
WARNING! Starting the Spectrum Analyzer is a service-disrupting activity.
In this example, the far end transmitter was muted about a third of the way through a scan; this is indicated by
the start of the red bars. The height of the received signal dropped to the noise floor of the receiver, and then
rose again when the transmitter was turned on again.
The Spectrum Analyzer runs until you click on Stop. If you leave the web page, the Spectrum Analyzer self-
terminates after 10 minutes. To turn off the Spectrum Analyzer, click on Stop. Stopping the analyzer also clears
the display. You also can begin a new graph by clicking Reset.
The following are sample RSL Spectrum Analyzer graphs from the Lynx.GX 4E (unbalanced).
▪ Graph A is the presentation on the spectrum analyzer when enabled for receive channel 5.8435 GHz, and
then switched to receive channel 5.8165 GHz. This graph is captured halfway through a scan, as evidenced
by the increasing heights of the green bars left to right. The red bars indicate the highest value scanned and
the green bars indicate the current value scanned. The frequency channel selection was changed on the
SysCfg menu.
▪ Graph B shows the spectrum analyzer completing a full scan of both the 5.8435 and 5.8165 GHz channels.
▪ Graph C shows the spectrum analyzer completing a full can of all three receive channels, 5.8165, 5.830,
and 5.8435 GHz.
Appendix B. Web Interface Windows and Field Descriptions 67