Motorola PTP 400 Series - Manual (Page 127)

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Figure 65 - Spectrum Management Slave Screen with Operational Restrictions
The colored bar represents the following channel state:
Green Active
The channel is currently in use hosting the Point-to-Point
wireless link
Orange Interference The channel has interference above the interference threshold
Blue Available
The channel has an interference level below the interference
threshold and is considered by the Spectrum Management
algorithm suitable for hosting the Point-to-Point link
Grey Barred
The system administrator has barred this channel from use.
Because the low signal levels encountered when a unit is
powered up in a laboratory environment prior to installation
(which makes the gray of the channel bar difficult to see). An
additional red ‘lock’ symbol is used to indicate that a channel is
barred.
Red
Radar
Detected
Impulsive Radar Interference has been detected on this
channel.
Region
Bar
Region Bar
This channel has been barred from use by the local region
regulator
Table 14 - Spectrum Management Change State Key with Operational Restrictions