The operating time with batteries/rechargeable batteries is approx. 100 hours.

With NoiseGard™ switched on (see page 10), the LED provides information on the remaining battery/ rechargeable battery capacity.

LED

lights up yellow: The battery capacity is

 

 

sufficient.

LED

lights up red:

The batteries are flat.

 

 

Replace the batteries.

Activating the “auto shut-off” function

The battery-saving “auto shut-off” function automati- cally switches the NoiseGard™ electronics off when the headset is disconnected from the intercom or when the aircraft avionics are switched off. The headset is delivered ex-works with the “auto shut-off” function deactivated. You can activate “auto shut-off” as follows:

￿Set the switch to the position ASO.

12

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Image 14
Sennheiser HMEC 46 manual Activating the auto shut-off function

HMEC 46 specifications

The Sennheiser HMEC 46 is a robust headset designed primarily for professional applications, particularly in aviation and air traffic control. Renowned for its exceptional sound quality and durability, it has become a preferred choice for users who require reliability in high-noise environments.

One of the standout features of the HMEC 46 is its active noise cancellation technology. This innovative system effectively reduces background noise, enabling users to communicate clearly without distractions. The headset employs dual microphones to capture ambient sounds, which are then processed to cancel unwanted noise, providing a crystal-clear audio experience.

Comfort is a critical aspect of any headset, especially for long periods of usage. The HMEC 46 comes equipped with plush, padded ear cups and an adjustable headband, ensuring a snug fit that doesn't compromise comfort. The lightweight design of the headset also contributes to a wear session free of fatigue, even during prolonged use.

In terms of sound quality, the HMEC 46 delivers an impressive audio performance. With its wide frequency response and high-fidelity sound reproduction, users can expect clear communication and detailed sound. The headset features a dynamic microphone that captures the user's voice accurately, ensuring that transmissions are clear and intelligible.

Durability is another cornerstone of the HMEC 46's design. It is constructed with high-quality materials that can withstand the rigors of daily use, whether in an aircraft, control tower, or similar settings. This rugged construction makes it suitable for both professional and recreational use, ensuring longevity and reliability.

The HMEC 46 is also compatible with a variety of devices. It often comes with dual-plug connectors, making it suitable for various aviation communication systems. This versatility ensures that it can be utilized across different platforms without compatibility issues.

Finally, user-friendly controls are conveniently located on the headset. This allows for quick adjustments to volume or microphone settings, enhancing the overall user experience.

In summary, the Sennheiser HMEC 46 is a high-performance headset that combines advanced noise cancellation technology with exceptional sound quality, comfort, and durability. It is an ideal solution for professionals in high-noise environments who demand clarity and reliability in their communication tools.