L3Harris XL Series Operator's Manual page 105

14221-1850-2000, Rev. C
2. To limit the impact of voice traffic on the network, set up a voice group set with a single voice
group selected with transmit and receive disabled.
a. Navigate to SETS  P25 Group. Click Create Set.
b. Name the group (e.g., NO AUDIO).
c. Double-click the group name.
d. Under Group Options, click + to add group.
e. Enter a valid Group ID for your P25 Network.
f. Under Group Options, uncheck Transmit, Receive, Calls, and Scan.
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