&
User
AN-80i
Manual
70-00072-01-08b
Proprietary Redline Communications © 2009
Page 48 of 128
June 4, 2009
3.10 Spectrum
Sweep
Use the AN-80i
Spectrum Sweep
feature to determine if RF spectrum is free from
interference. Configurable survey settings allow you to scan a specific frequency range -
- specifying both the step size and the number of samples at each step. When the
sweep is completed, an output graph displays the average (blue) and maximum (red)
RSSI measured at each sample step.
Click
Spectrum Sweep
in the left hand menu to display the Spectrum Sweep
configuration screen. Configurable survey parameters include the high and low
frequency limits, the step size, and the number of samples at each step. The output
graph displays the maximum (red) and average (blue) RSSI for each step.
Figure 24: Web - Spectrum Sweep Screen
Start Frequency (MHz)
: Enter center frequency of the lowest channel to be scanned.
See Table 70: Spec. - Regional Identification Codes on page 123.
End Frequency (MHz)
: Enter center frequency of the highest channel to be scanned.
See Table 70: Spec. - Regional Identification Codes on page 123.
Step (MHz)
: Enter the frequency step (MHz) to use when scanning from the lowest to
the highest frequency. The step selection must be a multiple of 2.5 MHz (e.g., 2.5, 5,
etc).
No. of acquisitions
: Enter the number of times the frequency will be sampled at each
step. The recommended range is 10 to 100 samples. When a potentially clear channel is
identified, reduce the frequency range and step size while increasing the sample size to
monitor the channel over a longer period.
Start
: Left-click the Start button to begin the scan.
Performing a Sweep
1.
Prepare the AN-80i:
For PTP Master and PMP Sector Controller (SC) units the transmitter is disabled
automatically during a sweep.
To run a sweep from a PTP Slave or PMP Subscriber location, the remote
Master/SC transmitter should be disabled for the duration of the test.
