Motorola APX XP IMPRES Remote Speaker Microphone User Manual

1. Product Overview

The Motorola APX XP IMPRES Remote Speaker Microphone (RSM) is designed for professional use, offering robust performance and clear communication in challenging conditions. Its compact design and advanced features make it ideal for public safety and other demanding applications.

Key features include:

• Noise Protection: Reduces background noise for clear communication.
• Clip On Design: Convenient clip allows hands-free use.
• Unidirectional Polar Pattern: Captures sound from one direction.
• IP68 Waterproof: Withstands submersion in water up to 1.5 meters.

Figure 1: Front view of the Motorola APX XP IMPRES Remote Speaker Microphone, showing the Motorola logo and speaker grille.

Figure 2: Angled view of the Remote Speaker Microphone, highlighting its ergonomic design and side Push-to-Talk button.

2. Setup and Connection

To begin using your Remote Speaker Microphone, follow these steps:

1. Connect to Radio: Ensure your radio is turned off. Align the connector of the RSM with the accessory port on your compatible Motorola APX series radio (APX 7000 Series, APX 6000 Series, APX 4000, APX 3000, SRX 2000). Gently push until it clicks into place.
2. Secure Connection: If your radio has a securing screw for accessories, tighten it to ensure a firm and waterproof connection.
3. Positioning: Use the integrated clip to attach the RSM to your uniform, lapel, or other convenient location, ensuring the microphone is close to your mouth for optimal voice pickup.
4. Power On: Turn on your radio. The RSM should now be ready for use.

Figure 3: Side view of the Remote Speaker Microphone, illustrating the robust rotating clip for secure attachment.

3. Operating Instructions

The APX XP IMPRES RSM provides intuitive controls for efficient communication.

• Push-to-Talk (PTT) Button: Located on the side of the microphone. Press and hold this button to transmit your voice. Release to listen.
• Volume Control: Use the single up/down steps in 10 intervals to adjust the speaker volume. This control is typically located on the top or side of the unit.
• Top Button: An orange programmable button located on the top of the unit. Its function is determined by your radio's programming (e.g., emergency, channel change).
• Side Buttons: Additional push-to-talk and programmable buttons may be present on the side, depending on the specific model and radio programming.

Figure 4: Top view of the Remote Speaker Microphone, showing the volume control (green button) and the orange programmable top button.

4. Maintenance and Care

To ensure the longevity and optimal performance of your RSM, follow these maintenance guidelines:

• Cleaning: Wipe the microphone with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. For heavy dirt, rinse with clean water, ensuring the accessory port is properly sealed if applicable.
• Water Exposure: While IP68 rated, always ensure the accessory connector is clean and dry before connecting or disconnecting from the radio to prevent damage. After exposure to saltwater or other corrosive liquids, rinse thoroughly with fresh water.
• Storage: Store the RSM in a cool, dry place away from direct sunlight and extreme temperatures.
• Cable Care: Avoid sharp bends or kinks in the coiled cable. Do not pull the cable to disconnect the microphone from the radio.

5. Troubleshooting

If you encounter issues with your Remote Speaker Microphone, try the following solutions:

If the problem persists after attempting these solutions, please contact Motorola customer support or your authorized dealer.

6. Specifications

Detailed technical specifications for the Motorola APX XP IMPRES Remote Speaker Microphone (NMN6271A).

Figure 5: Overview of compatible radios, microphone acoustics, speaker acoustics, body dimensions, power, cable, controls, environmental specifications, and part numbers.

General Specifications:

• Model Number: NMN6271A
• Item Weight: 11.7 ounces (331.7g)
• Package Dimensions: 8.03 x 3.74 x 3.03 inches (20.4 x 9.5 x 7.7 cm)
• Manufacturer: Motorola
• First Available Date: August 4, 2016

Microphone Acoustics:

• Model Type: IMPRES RSM with Dual Mic Noise Suppression, Omni-directional
• Sensitivity: 42dBV typical
• Distortion (THD): < 3% from 300 to 3200Hz

Speaker Acoustics:

• Diameter: 45mm
• Nominal Output Level: @ 1kHz, 0.5W, 30cm) 89dB SPL
• Maximum Output Level: @ 1kHz, max volume, 30cm) 97dB SPL
• Frequency Response: 300 - 3200Hz
• Distortion (THD): < 15% (RX)

Environmental Specifications:

• Operating Temp: -30 °C to +60 °C
• Storage Temp: -55 °C to +85 °C
• Humidity: MIL STD 810G Method 507.5, Procedure II
• IP Rating: IP68 NMN6271, IP55 NMN6274
• Immersion: MIL STD 512 X/I
• Thermal Shock: -57 °C to +80 °C
• Rain: IEC 60529
• Salt/Fog: MIL STD 810G Method 509.5
• Dust Procedure: 1 IEC 60529
• Vibration: MIL STD 810G Method 514.6, Procedure I, Category 24
• Mechanical Shock: MIL STD 810G Method 516.6, Procedure I, V, VI
• ESD: IEC6100-4-2

7. Warranty and Support

For warranty information and technical support, please refer to the documentation provided with your original purchase or visit the official Motorola website.

You can also visit the Motorola Store on Amazon for additional product information and resources.

Contact Information: Please consult your regional Motorola support channels for specific contact details.