Motorola MTP850 User's Guide download pdf (Page 34)

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Hot Microphone Feature

If the Hot Microphone feature was programmed into your MTP850

by your Service Provider, you can make an Emergency Group Call

and talk to the dispatcher (and members of your group) without the

need to press and hold the PTT.

The microphone will stay open for a time period (programmed by

your Service Provider). The microphone will stay open until:

• the Hot microphone time period expires

• you press PTT during the Hot Microphone period

• you press the End key

At the end of the Hot Microphone the Hot Mic Ended message will

be displayed and the MTP850 returns to the Emergency Mode. The

Hot Microphone feature is disabled and PTT operation returns to

normal.

If required you can resume Hot Microphone by pressing the

Emergency button again.

Making an Emergency Group Call

To initiate or answer a call while in Emergency Mode:

• Press and hold PTT.

• Wait for the talk permit tone (if configured) and talk.

• Release PTT to listen.

Some systems do not support the Emergency Alarm feature when the

user is in a “Local Area Service” area.

Pressing the Emergency button, even if Transmit Inhibit is activated,

causes the MTP850 to transmit immediately. The MTP850 must NOT be

within the RF sensitive area when entering Emergency Mode.

W A R N I N G

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Motorola MTP850 User's Guide Page 34