USING YOUR HEADSET

ADDITIONAL FEATURES

Redialing Last Number

To activate last number redial, double press the call control button. You will hear a high tone after each double key press.

Power Saving Mode

Power saving mode temporarily disables the digital signal processing (DSP) feature of the Discovery 655 and 665 headsets to provide a longer talk- time. To enable power saving mode, press both the volume up and down keys at the same time before you make a call. To re-enable DSP, press both the volume up and down keys at the same time. Power saving mode cannot be turned on while engaged in a call.

NOTE After you turn off the headset, DSP will be re-enabled the next time you turn it on.

Using Voice Dialing

With the headset on, press and hold the call control button for 2 seconds to activate voice dialing.

NOTE To use voice activated dialing, the voice dialing feature must be enabled on your phone. See your Bluetooth phone manual for instructions.

Rejecting a Call

When receiving an incoming call, press and hold the call control button for 8 seconds to reject the call.

Switching a Call from Phone to Headset

To switch an active call from your phone to your headset, briefly press the call control button for 2 seconds.

Switching a Call from Headset to Phone

To switch an active call from your headset to your phone, press and hold the call control button for 2 seconds.

MOVING OUT OF RANGE

As the headset moves more than 33 feet (10 meters) away from the Bluetooth device or encounters interference:

•Audio quality will degrade

•A beep will be heard in the headset when the connection drops between headset and Bluetooth device

•When out of range, only the power off function will operate

If any of the above occur, move closer to your Bluetooth device.

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Plantronics 665 manual Additional Features, Moving OUT of Range
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665 specifications

Plantronics, a renowned name in the world of audio communication technology, has introduced two standout models in its headset lineup: the Plantronics 655 and 665. These headsets are crafted to meet the demands of both professional environments and personal use, offering exceptional sound quality, comfort, and practicality.

The Plantronics 655 is designed primarily for business use, featuring a lightweight structure that ensures comfort during extended wear. Its noise-canceling microphone significantly reduces background noise, making it easier for users to concentrate on conversations without distractions. The 655 employs advanced audio processing technology that enhances voice clarity, making it an excellent choice for conference calls and meetings.

On the other hand, the Plantronics 665 builds upon the solid foundation of the 655 but adds several premium features to enhance user experience. The 665 headset features Bluetooth connectivity, offering users the freedom to roam while staying connected. With a wireless range of up to 100 meters, users can take calls or listen to music while moving around their workspace.

Both models are equipped with Plantronics' Smart Sensor technology that automatically answers calls when the headset is worn, and pauses music when it is removed, allowing for seamless transitions between calls and media playback. This feature adds a layer of convenience, making it an ideal choice for busy professionals.

In terms of battery life, the 665 excels with up to 15 hours of talk time, ensuring all-day usage without the need for frequent recharging. The headset’s quick charging capability means that users can get back to their tasks quickly, minimizing downtime.

Ergonomically designed, both headsets offer adjustable headbands and soft ear cushions, ensuring comfort and fit for prolonged usage. The intuitive on-ear controls allow users to easily adjust volume, mute, and skip tracks, adding to the user-friendly experience.

In summary, the Plantronics 655 and 665 are two efficient headsets that cater to different needs while sharing a common goal of excellent audio performance and user comfort. Whether for business meetings or casual listening, these headsets deliver on multiple fronts, making them an excellent choice for anyone in need of reliable audio communication tools.
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