Procedure:

1Press the programmed One Touch Access button to make a Group or Private Call to the predefined alias or ID.

2Press the PTT button to make the call. The green LED lights up. The display shows the group/subscriber alias or ID, and the Group/Private Call icon.

3Wait for the Talk Permit Tone to finish (if enabled) and speak clearly into the microphone.

OR

For Group Call only: Wait for the PTT Sidetone to finish (if enabled) and speak clearly into the microphone.

4Release the PTT button to listen. When the target radio responds, the green LED blinks.

5If the Channel Free Indication feature is enabled, you will 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.

6Radio returns to the screen you were on prior to initiating the call.

For a Private Call, you hear a short tone when the call ends.

Stopping a Radio Call

This feature allows you to stop an ongoing Group or Private Call to free the channel for transmission. For example, when a radio experiences a “stuck microphone” condition where the PTT button is inadvertently pressed by the user.

Your radio must be programmed to allow you to use this feature.

Procedure:

While on the required channel:

1Press the programmed Transmit Interrupt Remote Dekey button.

2The display shows Remote Dekey.

3Wait for acknowledgment.

4The radio sounds a positive indicator tone and the display shows Remote Dekey Success, indicating that the channel is now free.

OR

The radio sounds a negative indicator tone and the display shows Remote Dekey Failed.

The display shows Call Interrupted, and the radio sounds a negative indicator tone until you release the PTT button, if it is transmitting an interruptible call that is stopped via this feature.

Receiving and Making Calls

19

English

Page 29
Image 29
Motorola 4550, 4580 manual Stopping a Radio Call, Press the programmed Transmit Interrupt Remote Dekey button

4550, 4580 specifications

Motorola has a longstanding history of producing innovative communication devices, and the Motorola 4580 and 4550 models serve as prime examples of their commitment to quality and high-performance technologies. While these models may not be the latest in a rapidly evolving technological landscape, they have managed to capture the attention of users seeking durable, reliable, and functional handheld devices.

The Motorola 4580 is renowned for its lightweight design and robust construction, making it suitable for various environments, including industrial and outdoor settings. One of its primary features is a long-lasting battery life, which ensures uninterrupted communication during critical times. Users can expect reliability with its efficient energy consumption, extending the time between charges significantly.

On the other hand, the Motorola 4550 boasts advanced communication capabilities. It supports both analog and digital modes, providing users with versatile options for connectivity. This dual-mode feature allows seamless transition between different communication standards, making it suitable for a wide range of uses from public safety to commercial applications.

Both models come equipped with a user-friendly interface, facilitating ease of operation for individuals of all skill levels. The keypad is designed for quick access to essential functions, which enhances the overall user experience. Additionally, the audio quality in both models is impressive, ensuring crystal-clear voice communication, even in challenging environments.

Another notable characteristic is their exceptional durability. These devices are built to withstand rough handling and adverse weather conditions, featuring IP ratings that indicate resistance to dust and moisture. This ruggedness adds to their appeal, especially for users in construction, emergency services, and other demanding industries.

Moreover, the Motorola 4580 and 4550 models incorporate advanced signaling technologies that enhance communication clarity over long distances. They also offer customizable features, allowing users to tailor the devices to their specific needs, such as programmable buttons and unique alert tones.

In conclusion, the Motorola 4580 and 4550 stand out for their combination of durability, versatility, and user-friendly features. With a focus on reliable communication in various settings, these models continue to meet user demands, solidifying Motorola's reputation as a trusted name in telecommunications. Whether for safety personnel, outdoor enthusiasts, or commercial users, these devices provide essential functionality that aligns with the needs of modern communication.