Netscout AirCheck G2 User Manual page 24

Yellow closed lock: One or more access points use
WEP or Cisco LEAP security protocol. These are less
secure than other protocols.
Green closed lock: All access points use security
protocols that are more secure than WEP, for example,
WPA or WPA2.
Gray closed lock: Access points on this network are
using multiple security protocols.
Access Points #: The number displayed next to the

icon is the number of access points near your location.
Filter Button: Touch this field to add a filter for specific

network characteristics, such as SSID string, minimum
signal strength, or 802.11 media type.
NOTE: You can set only one filter at a time. Once a filter is
set, the Networks list screen re-opens. The title of the
screen changes to "Networks (X of Y)", such that 
X = the number of networks filtered, and 
Y = the total number of networks discovered.
This icon appears to the right of the active filter.
Touch the icon to remove the filter.
Touch the Help button
screen for more detail about each option.
on the Filter Networks By:
SNR: Signal-to-Noise Ratio, a measure of signal strength

relative to noise. The ratio is measured in decibels (dB).
NOTE: For networks, the SNR of the strongest AP in the
network is displayed.
This is also a variable field, which changes based on the
Sort option currently applied. For example, if the list is
sorted by Client Count, the number of clients connected
to the network will appear in this space on the screen (as
shown in Figure
For Networks, this space can also show the 802.11 Type,
Band, or time since the network was Last Seen.
Refresh: Touch this icon to clear the current

results and restart the current discovery
process.
Touching the
erase all unsaved test results.
Save: Touch this button to save a session file

containing the discovery or test results that
have been collected since the AirCheck G2
last refreshed.
Packet Captures," page 85.
11
Discovering Networks and Access Points
5).
Caution
Refresh button will
See "Saving Sessions and