Air Quality AutoTest Profiles
Air Quality Profiles perform a scan of the channels in your wireless network to measure channel utilization and interference.
Each table on the Air Quality results screen shows the top four channels in each band with the highest utilization, co-channel interference or adjacent channel interference, along with the number of APs operating on the channel.
Air Quality Profile results are described next. Tap here to skip to Air Quality Settings.
The EtherScope scans the 2.4-GHz band first and displays results and then does the same for the 5-GHz band and then the 6GHz band if applicable.
Channel usage depends on the number of clients connected to the network and the amount of interference from devices like microwaves or smartphones using Bluetooth. Very high utilization or interference can affect network performance.
Air Quality Profile Results
The image below shows a completed Air Quality Profile test with two Warnings and two Failures indicated by the yellow and red dots next to the corresponding measurements.
Air Quality test gradings are based on the Thresholds configured in the Profile's settings. In the case shown here, the Warnings and Failures occurred because of high Utilization and Co-channel Interference caused by the number of APs active on the top three 2.4 GHz channels: 1, 6, and 11.
802.11 Utilization %: Percentage of the displayed channel's capacity used by all 802.11 WLAN devices
Non-802.11 Utilization %: Percentage of the displayed channel's capacity being used by non-802.11 interferers, which may be non-WLAN sources
(EXG-200 only) If the Combine Utilization setting is enabled in General Settings, there is only a single combined 802.11 and non-802.11 Utilization Threshold.
Two dashes -- indicate that no Utilization was detected on the Channels shown.
Co-channel Interference: Interference caused by multiple APs operating on the same channel that exceed the minimum Co-channel Interference AP Signal Level threshold in the settings. This measurement accounts for 40-MHz and 80-MHz channels in the 5-GHz band by counting an AP on its primary and each secondary channel.
Adjacent Channel Interference: Interference caused by multiple APs operating on adjacent channels that exceed the minimum Adjacent channel Interference AP Signal Level threshold in the settings. This is most common in the 2.4 GHz band where channels are 5 MHz apart but span 20 MHz. There are only three channels that do not overlap in this band: 1, 6, 11. Larger channel widths (e.g., 40 MHz) also affects the adjacent channel interference counts.
Results Codes: Final status of the test (Success or Failure)
Viewing and Saving Results
Viewing Channel Utilization
Tap the blue CHANNELS MAP link at the bottom of the Air Quality Profile screen to open the Channels Map display in the Wi-Fi app. This display gives you real-time visual results of the utilization on each channel.
Uploading Results to Link-Live
Tap the blue UPLOAD GRAPHS TO LINK LIVE link to upload graphic results to Link-Live. This opens the Link-Live sharing screen.
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Use the default file name (which has a <DATE-TIME> format) or tap the Graphs Image Name field to open a touch keyboard to type a custom name.
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Tap SAVE TO UPLOADED FILES to upload to the Results page
on Link-Live.com.
Air Quality Profile FAB
(Optional) On the AutoTest Air Quality Profile results screen, tap the floating action button (FAB) and follow the screen instructions to attach comments and images to the results on the Link-Live website.
- The Add Comments option opens a Link-Live sharing screen where you can enter text and job comments.
- The Add Picture function lets you open the Gallery
Air Quality Profile Settings
To configure the profile settings, tap the settings icon 
on the Air Quality Profile screen, or add a new Air Quality Profile to AutoTest.
The settings for Air Quality are thresholds for grading the channel utilization and interference.
On the Air Quality Profile settings screen, tap each field described below as needed to configure the profile. Changed settings are automatically applied.
When you finish configuring, tap the back button 
to return to the profile.
Name
Tap the Name field to enter a custom name for the profile. This name appears on the main AutoTest screen profile card and the Air Quality profile screen header.
Channel Scan Cycles
This setting designates the number of times all of the channels should be scanned before reporting the results. Tap the field to enter a new value between 1 and 10.
AP Signal Level Threshold
This setting designates the minimum signal level at which an AP must be measured to be counted in Co-Channel and Adjacent Channel Interference measurements. Tap the field to select a new value or enter a custom one.
Grading
Use the grading threshold controls to adjust the values that determine Warning/Fail results for the corresponding utilization and co-channel interference and adjacent channel measurements. Tap each Warning or Failure field to select a new value or enter a custom one. Each threshold also has a toggle button that allows you to disable grading based on that measurement entirely.
Thresholds
Use the threshold controls to adjust the values that determine Warning/Fail results for the corresponding utilization and co-channel interference and adjacent channel measurements. Tap each Warning or Failure field to select a new value or enter a custom one. Each threshold also has a toggle button that allows you to disable grading based on that measurement entirely.
By default, you can set thresholds for both 802.11 and non-802.11 Utilization.
(EXG-200 only) If the Combine Utilization setting is enabled in General Settings, there is only a single combined 802.11 and non-802.11 Utilization Threshold.
Utilization measurements and thresholds are percentages of a channel's capacity. Co-channel interference measurements and thresholds are the number of APs operating on the same channel.
Adjacent Channel Interference measurements and thresholds are the number of APs operating on nearby channels that cause interference.
