Sennheiser HMEC 46 manual Activating the auto shut-off function

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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.

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Contents Hmec Page Safety instructions Intended use of the headset Improper useFeatures Hmec 46 headsetTurning the microphone boom Delivery includesOperation Putting on the headset Positioning the microphoneAdjusting the volume directly on the intercom Flipping away one earcupAdjusting the microphone sensitivity Operating controls of the Hmec Operating elementHmec 46-CP Hmec 46-KP Hmec 46-NP Adjusting the volume Using the headsetSwitching NoiseGard on/off Changing the left and right stereo channel Switching between mono and stereo modePowering NoiseGard via two rechargeable batteries Activating the auto shut-off function Connecting a mobile telephone Connecting an additional audio player Replacing the earpads Care and maintenanceCleaning the headset Accessories and spare parts Product variants Hmec 46-V-RPMicrophone incl. preamplifier SpecificationsHeadphones General data Connector assignment Hmec 46-CP, -V-CP, -B-CP, -BV-CPHmec 46-KP, -V-KP, -B-K, -BV-K 6.3 mm jack plug PJ-068 equivalentWarranty regulations Manufacturer DeclarationsCE Declaration of Conformity Page

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.