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Attachment A - Joint Agreement for 800 MHz CCCS Page 60 of 83 word 'FAILSOFT' on the radio display and emit a short high-pitched tone every 10-15 seconds to indicate to the user that normal trunked operation is unavailable. Protocol/Standard It is the policy of the Lead Agency to provide a failsoft assignment for every'pdmary' talkgroup on the System to prevent loss of communications for users. Failsoft channel assignments are based on the needs of System users consistent with each user's mission and need for radio communications. The Lead Agency makes determinations concerning Failsoft channel assignments. During a Failsoft condition, dispatchers may need to announce instructions to radio users and remind them that operations may be combined among several agencies and to implement radio discipline to reduce radio traffic. Management The Lead Agency is the responsible authority for failsoft assignments and management. Agencies desiring additional information on failsoft assignments may request the information from the Lead Agency. 5.10 Scanning Purpose or Objective Identifies operational procedures and responsible authorities governing scanning System talkgroups. Technical Background The network infrastructure and subscriber units are configured to permit managed user scanning of talkgroups. Including a talkgroup in a non -priority scan list does not necessarily result in the user hearing traffic on that talkgroup. Talkgroups are only active if there is at least one user affiliated who has the talkgroup of interest as their selected channel. Subscriber units can scan a talkgroup, a talkgroup in another zone, or another trunked radio system if compatible. An entire radio can be set up as receive only. Operational Context Scanning by multiple subscriber units can quickly overwhelm a trunked radio system creating system busies. As a result, scanning on the System has been limited to the Fire Services as a legacy feature allowing scanning of their Dispatch Talkgroup and primary tacticals. Protocol/Standard Before scanning and/or monitoring of System talkgroups is allowed, permission must be obtained from the Lead Agency and the agency'owning' the talkgroup. Scanning must also be approved by the requestor's agency in their template design. Scanning can only be enabled in the programming template by the Lead Agency.