Installation Instructions

GTN 6XX/7XX AML STC Installation Manual 190-01007-A3
Page 5-64 Rev. 4
5.5.4.8.2.4 Squelch Threshold Configuration Settings
COM 1-3 Squelch Threshold
These settings adjust the signal strength required to break
squelch for each input. These are configurable from -96 dB to
0 dB. A value of 0 dB will require high signal levels to break
squelch. Decreasing the value to -96 dB will allow squelch to
be broken with low signal levels. The default value is -48 dB.
NAV 1 and NAV 2 Squelch Threshold
These settings adjust the signal strength required to break
squelch on the NAV 1 and NAV 2 inputs. These are
configurable from -96 dB to 0 dB. The default value is -48 dB.
A value of 0 dB will require high signal levels to break
squelch. Decreasing the value to -96 dB will allow squelch to
be broken with low signal levels.
RCVR 3 Squelch Threshold
This setting adjusts the signal strength required to break
squelch on the RCVR 3 input. This is configurable from -96
dB to 0dB. The default is -48 dB. A value of 0 dB will require
high signal levels to break squelch. Decreasing the value to -
96 dB will allow squelch to be broken with low signal levels.
RCVR 4 Squelch Threshold
This setting adjusts the signal strength required to break squelch on the RCVR 4 input. This is
configurable from -96 dB to 0dB. The default is -48 dB. A value of 0 dB will require high signal levels to
break squelch. Decreasing the value to -96 dB will allow squelch to be broken with low signal levels.
RCVR 5 Squelch Threshold
This setting adjusts the signal strength required to break squelch on the RCVR 5 input. This is
configurable from -96 dB to 0dB. The default is -48 dB. A value of 0 dB will require high signal levels to
break squelch. Decreasing the value to -96 dB will allow squelch to be broken with low signal levels.
WARN1 Squelch Threshold
This setting adjusts the signal strength required to break squelch on the WARN1 input. This is
configurable from -96 dB to 0dB. The default is -48 dB. A value of 0 dB will require high signal levels to
break squelch. Decreasing the value to -96 dB will allow squelch to be broken with low signal levels.
RING1 Squelch Threshold
This setting adjusts the signal strength required to break squelch on the RING1 input. This is configurable
from -96 dB to 0dB. The default is -48 dB. A value of 0 dB will require high signal levels to break
squelch. Decreasing the value to -96 dB will allow squelch to be broken with low signal levels.
ALERT 1-3 Squelch Threshold
These settings adjust the signal strength required to break squelch on the ALERT1-3 inputs. These are
configurable from -96 dB to 0 dB. The default value is -48 dB. A value of 0 dB will require high signal
levels to break squelch. Decreasing the value to -96 dB will allow squelch to be broken with low signal
levels.
Figure 5-38. Audio Panel
Configuration Page (Squelch)