Rack-Mount RDMS
TM
Telemetry Receiver
89
Quasonix, Inc.
Signal strength is displayed on a dynamic bar graph and spans from -120 dBm to +10 dBm. In addition to the visual
representation of signal strength, the current measurement, in dBm, is numerically displayed directly above the bar
graph. When a signal of -100 dBm or higher is detected, the bar turns green to signify “good” signal strength. The
Strength bar is red if the signal level is below -100 dBm.
Signal quality graph displays to the right of the Strength graph. The signal quality range is 0 to 100, with 100 being
the best possible quality. When the demodulator locks onto a signal, the signal quality bar turns green. Otherwise,
the bar is displayed in red, regardless of the measured quality level.
Note:
The integrated Quasonix demodulator can detect and establish signal lock at very low signal levels. Therefore,
it is not uncommon to see a red signal strength bar indicator accompanied with a green signal lock indicator.
4.2.3.1.1.6 Diversity Combiner
If the optional diversity combiner is installed and enabled between two channels, then a channel link icon is
displayed inside the Diversity Combiner window to show that the two channels are being combined. This link icon
with a signal lock (green) is shown in Figure 158. The combiner link icon without a signal lock (red) is shown in
Figure 159.
Figure 158: Diversity Combiner Link with Lock
Figure 159: Diversity Combiner Link without Lock
If diversity combiner is On (Combiner On is checked), any changes made to one channel will be copied to the other
channel so that both channels are synchronized. If diversity combiner is Off (Combiner On is not checked), each
channel is separate and setting one channel does not copy settings to the other channel.
When turning on Diversity Combiner, the message in Figure 160 displays if any of the settings for channel 1 do not
match channel 2.
Figure 160: Diversity Combiner Error