Plantronics ML20

Plantronics ML20 Bluetooth Headset User Manual

Model: ML20

Introduction

This manual provides detailed instructions for the proper use and maintenance of your Plantronics ML20 Bluetooth Headset. Please read this manual thoroughly before using the device to ensure optimal performance and longevity. The Plantronics ML20 is designed for clear communication, featuring noise-blocking technology and extended talk time.

Product Overview

The Plantronics ML20 is a lightweight, ergonomically designed Bluetooth headset offering hands-free communication. Key features include an extended battery life, voice alerts for status updates, and multipoint technology for connecting to two devices simultaneously.

Plantronics ML20 Bluetooth Headset, main view

Figure 1: Plantronics ML20 Bluetooth Headset, showing the main body and ear hook.

Plantronics ML20 Bluetooth Headset, side view with controls

Figure 2: Side view of the Plantronics ML20 Bluetooth Headset, highlighting the control buttons and Plantronics branding.

Setup

1. Charging the Headset

Before initial use, fully charge the Plantronics ML20 headset. Connect the charging cable to the headset's charging port and a compatible USB power source. The indicator light will change to indicate charging status. A full charge provides up to 11 hours of talk time.

  • Charging Indicator: Refer to the device's LED for charging status.
  • Battery Life: Up to 11 hours of talk time on a full charge.

2. Pairing with a Bluetooth Device

  1. Power On: Slide the power switch to the 'On' position. The indicator light will flash to show it's ready for pairing.
  2. Activate Bluetooth: On your mobile phone or other Bluetooth-enabled device, enable Bluetooth functionality.
  3. Search for Devices: From your device's Bluetooth menu, search for new devices.
  4. Select "PLT_ML20": Choose "PLT_ML20" from the list of available devices. If prompted for a passcode, enter "0000" (four zeros).
  5. Confirmation: Once paired, the headset will provide a voice alert confirming the connection, and the indicator light will stop flashing rapidly.

The headset supports multipoint technology, allowing it to be paired with two phones simultaneously. To pair a second device, repeat the pairing process after the first device is connected.

Operating Instructions

Power On/Off

To power on or off the headset, use the dedicated power switch located on the device. Sliding it to 'Off' helps conserve battery life.

Making and Receiving Calls

  • Answering a Call: Press the Call Control button once.
  • Ending a Call: Press the Call Control button once.
  • Rejecting a Call: Press and hold the Call Control button for 2 seconds.
  • Redialing Last Number: Double-press the Call Control button when not on a call.
  • Voice Dialing: If supported by your phone, press and hold the Call Control button until you hear a prompt, then speak the contact's name.

Volume Control

Adjust the call volume using the volume buttons on the side of the headset. There are separate buttons for increasing and decreasing volume.

Voice Alerts

The ML20 provides whispered voice alerts to inform you about important statuses, including:

  • Remaining talk time
  • Volume level changes
  • Connection status (e.g., "Phone 1 connected")
  • Low battery warnings

For iPhone users, the headset's battery strength can also be monitored on the phone's screen.

Maintenance

Proper maintenance ensures the longevity and optimal performance of your Plantronics ML20 headset.

  • Cleaning: Gently wipe the headset with a soft, dry, lint-free cloth. Avoid using harsh chemicals, cleaning solvents, or strong detergents.
  • Storage: Store the headset in a cool, dry place away from extreme temperatures and direct sunlight.
  • Charging: Do not leave the headset connected to a charger for extended periods after it is fully charged.
  • Water Exposure: The headset is not waterproof. Avoid exposure to moisture or liquids.

Troubleshooting

If you encounter issues with your Plantronics ML20 headset, refer to the following common solutions:

  • Headset not pairing:
    • Ensure the headset is powered on and in pairing mode (flashing indicator light).
    • Turn off and on your phone's Bluetooth.
    • Delete "PLT_ML20" from your phone's paired devices list and attempt to re-pair.
    • Ensure the headset is charged.
  • No sound or poor audio quality:
    • Increase the volume on both the headset and your phone.
    • Ensure the headset is properly connected to your device.
    • Move closer to your phone; the operating range is up to 33 feet (10 meters).
    • Check for interference from other electronic devices.
  • Headset not charging:
    • Verify the charging cable is securely connected to both the headset and the power source.
    • Try a different USB port or power adapter.
    • Ensure the charging port on the headset is clean and free of debris.
  • Voice alerts not working:
    • Ensure the headset is powered on and connected.
    • Check the headset's volume settings.

Specifications

FeatureDetail
Model NumberML20
BrandPlantronics
Connectivity TechnologyBluetooth
Wireless Communication TechnologyBluetooth
Form FactorIn Ear
Special FeatureNoise Cancellation
Control TypeVoice Control
Control MethodVoice
Talk TimeUp to 11 hours
Operating RangeUp to 33 feet (10 meters)
Item Weight4 ounces
UPC649906100003

Warranty and Support

For warranty information and technical support, please refer to the documentation provided at the time of purchase or visit the official Plantronics website. This product is often sold as a renewed item, which typically includes a limited warranty from the refurbisher (e.g., 90-day warranty mentioned in feature bullets).

For further assistance, contact Plantronics customer service through their official channels.

© 2023 Plantronics. All rights reserved.

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