Motorola APX 4000 User's Guide download pdf (Page 86)

Advanced Features

English

5 Press and hold the PTT button. Speak clearly into the

microphone.

6 Release the PTT button to end the transmission and wait for

a response from the dispatcher.

7 Press and hold the preprogrammed Emergency button for

about a second to exit the Emergency Call mode.

Sending a Silent Emergency Alarm

This feature allows you to send an Emergency Alarm to another

radio without any audio or visual indicators.

Procedure:

1 Press the preprogrammed Emergency button.

2 The display shows no changes, the LED does not light up,

and you hear no tones.

3 The silent emergency state continues until you:

Press and hold the preprogrammed Emergency button for

about a second to exit the Silent Emergency Alarm mode.

Press and release the PTT button to exit the Silent

Emergency Alarm mode and enter regular dispatch or

Emergency Call mode.

Note: For ALL Emergency signals, when changing channels:

• If the new channel is also preprogrammed for

Emergency, you can change channels while in

Emergency operation. The emergency alarm or call

continues on the new channel.

• If the new channel is NOT preprogrammed for

Emergency, the display shows No emergency, and

you hear an invalid tone until you exit the Emergency

state or change to a channel preprogrammed for

Emergency.

Using the Emergency Keep-Alive Feature

This feature, when enabled, prevents the radio from being

turned off via the MFK when the radio is in the Emergency

state.

Note: The radio only exits the Emergency state using one of

the ways mentioned in the previous sections.

See Sending an Emergency Alarm on page 66,

Sending an Emergency Call (Trunking Only) on

page 67, Sending an Emergency Alarm with

Emergency Call on page 67, or Sending a Silent

Emergency Alarm on page 68.

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Motorola APX 4000 User's Guide Page 86

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