CipherLab CP30 Reference Manual page 73

CP30 Mobile Computer
2. On the Wireless tab, you may have a list of available Wi-Fi networks. Select one or tap [Add
New...] and follow the on-screen instructions to configure related settings, such as the
network name, authentication and encryption type, etc.
The icon next to the network name provides a visual status for the radio. It is only available
when all of the following is true:
Icon
(no-bar)
(one-bar)
(two-bar)
(three-bar)
(four-bar)
(Encryption)
(fail)
A strong signal (four bars) usually means that the wireless network is close or there is no
interference. For best performance, connect to the wireless network with the strongest
signal. However, if an unsecured network has a stronger signal than a security-enabled one,
it's safer for your data if you connect to the security-enabled/encryption network (but you
must be an authorized user of that network).
To improve the signal strength, you can move your mobile computer closer to the wireless
router or access point, or move the router or access point so it's not close to sources of
interference such as brick walls or walls that contain metal support beams.
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Reference Manual
Indication
The signal strength (RSSI) for the current AP (to which the radio is
associated) is -91 dBm or weaker.
The RSSI for the current AP is -90 dBm or stronger but no more than
-82 dBm.
The RSSI for the current AP is -81 dBm or stronger but no more than
-72 dBm.
The RSSI for the current AP is -71 dBm or stronger but no more than
-68 dBm.
The RSSI for the current AP is -67 dBm or stronger.
The RSSI for the current AP has a data encryption for connection.
The signal for the current AP is unavailable.