Making and Receiving Calls

28

5Release the PTT button to listen.When the target radio responds, the LED blinks green. You see the Group Call icon, the group alias or ID, and transmitting radio alias or ID on your display.

6If the Channel Free Indication feature is enabled, you hear a short alert tone the moment the target radio releases the PTT button, indicating the channel is free for you to respond. Press the PTT button to respond.

OR

If there is no voice activity for a predetermined period of time, the call ends.

7Radio returns to the screen you were on prior to initiating the call.

You can also make a Group Call via Contacts (see Making a Group Call from Contacts on page 44).

Making a Private Call

While you can receive and/or respond to a Private Call initiated by an authorized individual radio, your radio must be programmed for you to initiate a Private Call.

There are two types of Private Calls. The first type, where a radio presence check is performed prior to setting up the call, while the other sets up the call immediately.

Only one of these call types can be programmed to your radio by your dealer.

You hear a negative indicator tone, when you make a Private Call via the Contacts list, Call Log, One Touch Access button, the programmed number keys, or the Channel Selector Knob, if this feature is not enabled.

Use the Text Message or Call Alert features to contact an individual radio. See Text Message Features on page 60 or Call Alert Operation on page 53 for more information.

Procedure:

1Select the channel with the active group alias or ID. See Selecting a Channel on page 23.

OR

Press the programmed One Touch Access button.

2Hold the radio vertically 1 to 2 inches (2.5 to 5.0 cm) from your mouth.

3Press the PTT button to make the call. The LED lights up solid green. The Private Call icon appears in the top right corner. The first text line shows the subscriber alias. The second text line displays the call status.

4Wait for the Talk Permit Tone to finish (if enabled) and speak clearly into the microphone.

5Release the PTT button to listen. When the target radio responds, the LED blinks green.

6If the Channel Free Indication feature is enabled, you hear a short alert tone the moment the target radio releases the PTT button, indicating the channel is free for you to respond.

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Motorola XPR 7550 manual Making a Private Call
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XPR 7550 specifications

The Motorola XPR 7550 is a highly regarded two-way radio that has become integral in various industries, including public safety, transportation, and security. Known for its robust build and advanced features, the XPR 7550 offers unparalleled communication capabilities in demanding environments.

One of the most prominent features of the XPR 7550 is its digital communication technology, which provides clear audio quality, even in noisy conditions. Utilizing the TDMA (Time-Division Multiple Access) technology, users can experience twice the call capacity of conventional analog radios. This efficient communication system allows for more users to connect on the same channel without compromising voice quality.

The radio also boasts a rugged design that adheres to military specifications (MIL-STD-810) for durability. It is IP68 rated, meaning it is dust-tight and can withstand submersion in water up to 2 meters for 4 hours, making it ideal for harsh working conditions. This level of durability ensures that the XPR 7550 operates in extreme temperatures and adverse weather, reliable for first responders and field workers.

Featuring a large color display, the XPR 7550 enhances user experience with an intuitive interface. Users can easily navigate through features and access information quickly. The radio also incorporates customizable buttons and programmable features, making it user-friendly and adaptable to various applications.

Another significant aspect of the XPR 7550 is its advanced safety features. An integrated emergency button allows users to alert dispatchers in crucial situations. The radio also supports location tracking, which is beneficial for monitoring personnel and ensuring their safety in the field.

Battery life is crucial for users who rely heavily on communication. The XPR 7550 offers an impressive battery performance that can last through long shifts, complemented by intelligent battery management features that provide alerts when the battery is low.

Moreover, the XPR 7550 supports Wi-Fi connectivity, enabling over-the-air programming and updates, allowing organizations to improve functionality without the need for physical device management. This feature ensures that the radio can adapt to evolving communication needs.

In conclusion, the Motorola XPR 7550 stands out in the two-way radio market due to its combination of durability, advanced digital technology, and user-friendly features. Its robust performance makes it an essential tool for anyone requiring dependable communication in challenging environments. Whether for emergency services or industrial applications, the XPR 7550 ensures users stay connected and safe.
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