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6866588D06–RB
Chapter 3: Modes
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Press Menu simultaneously with the Right Navigation key.
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No success in sending the Silent Emergency Alarm and the maximum number of retries has been
reached.
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The control room terminates the Silent Ambience Listening.
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The Ambience Listening is disconnected due to another reason.
If you turn off the radio in the Silent Emergency Mode, the radio switches to pseudo power off state. In
this state, the radio appears to be turned off. However, the radio is still on and in the Silent Emergency
Mode. On turning the radio on during the pseudo power off state, the radio acts as during turning on
and still is in the Silent Emergency Mode.
3.5.9
Invisible Emergency
It is possible for the service provider to disable visual and audible indications when performing
Emergency Operation on the radio, known as Invisible Emergency. Invisible Emergency provides an
extra layer of safety when using Emergency Operation in a critical situation, for example during a direct
attack on the user.
3.5.10
Disaster Alert
Disaster Alert call is a broadcast emergency call initiated by the radio, with emergency pre-emptive
priority that everyone in a broadcast area can hear. This feature is designed for catastrophic situations,
such as earthquakes, and has the highest priority over other calls. All radios under Disaster Alert
display emergency notification on their screens. The alert message, its duration, and destination
talkgroup can be configured in the codeplug.
To initiate Disaster Alert, switch the radio to Disaster Alert mode and press PTT button. When the call
ends, the radio exits the Disaster Alert state.
During Disaster Alert, other functionality is impacted:
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When Disaster Alert begins, any other ongoing services are terminated.
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No other services can interrupt this type of call.
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Hot Mic functionality cannot be used.
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Speech can only be in Clear mode, even if any of the encryption services are enabled. The only
exception is E2E Encryption.
NOTICE: Not all infrastructures support this feature. Consult service provider before enabling
this feature.
3.5.10.1
Initializing Disaster Alert Calls
Procedure:
1 From the home screen, press the Menu key.
2 Select Services → Disaster Alert.
Your radio enters Disaster Alert Mode and it displays Disaster Alert icon.
3 To start the call press PTT.
Your radio displays Disaster Alert In Use.
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