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User manual
Detailed description of mounting, commissioning, operation, maintenance, and transport of the product.
Operating instructions
The following chapters contain additional information on operating the TC Bar.
Setting the internal microphone noise gate
The noise gate ensures background noises are not intensified during pauses in speech.

User manual
Detailed description of mounting, commissioning, operation, maintenance, and transport of the product.
- Product overview
- Mounting
- Putting the unit into operation
  This chapter describes the initial configuration and commissioning of the TC Bar.
- Initial configuration in the Control Cockpit
  This section guides you step by step through the initial configuration using tried-and-trusted methods and procedures.
- Operating instructions
  The following chapters contain additional information on operating the TC Bar.
  - Safety instructions for high volume levels
    Read and observe the following safety instructions for high volume levels before using the product.
  - Starting a web conference
    You can start a web conference or dial into an ongoing conference with the TC Bar.
  - Starting a call
    You can make calls with the TC Bar using the integrated microphones and speakers.
  - Starting an audio conference using a mobile device
    The TC Bar can be used as a primary audio source in an audio conference set up with a mobile device (e.g., a smartphone).
  - Selecting a sound profile
    Sound profiles are presets that are optimized for the intended mounting options.
  - Setting the internal microphone noise gate
    The noise gate ensures background noises are not intensified during pauses in speech.
  - Handling auto mix priority
    You can use the auto mix priority to set the priority of the channels, including the internal microphone arrays, via individual controllers.
  - Adapting far end output for TCC M
    You can adapt the amplification of the TCC M signal with far end output.
  - Adjusting the volume
    You can adjust the volume either using the remote control or using the control panel in Sennheiser’s control software.
  - Muting the TC Bar
    The microphone muting can be activated and deactivated using either the remote control or the control panel in the Sennheiser Control app.
  - Activating location-based mute
    You can mute several devices in a room at the same time by using the mute switch on any transmitter.
  - Resetting the audio settings
    You can reset all audio settings to the factory settings.
  - Overview
    The zones overview displays all activated zones in an overall display.
  - Creating a priority zone
    You can use a priority zone to prioritize an important audio area in a room (such as the position of a speaker).
  - Configuring exclusion zones
    You can use exclusion zones to exclude unwanted areas from audio recording.
  - Updating the firmware
    When the PC running the Sennheiser Control Cockpit software is connected to the Internet, the most recent firmware versions for all update-able devices is automatically made available.
  - Setting LED brightness
    This setting adjusts the brightness of the LEDs on the TC Bar.
  - Stipulating a device profile for the camera
    Device profiles contain custom or predefined settings for supported conference and collaboration platforms.
  - De-/activating sound prompts
    This function activates or deactivates the integrated sounds when the device is turned on and off and when the TC Bar is connected to or disconnected from other devices.
  - Rebooting the TC Bar
    You can configure the TC Bar using the control panel in Sennheiser’s control software.
  - Activating the HDMI® output
    You can activate the HDMI® output in order to transmit video signals to external screens.
  - Resetting the TC Bar to factory settings
    You can reset the device to the factory settings manually by pressing the button on the back of the device or remotely using the control panel in the Sennheiser Control Cockpit app.
  - Claiming the TC Bar for a specific Control Cockpit instance (network solution)
    The TC Bar is delivered with password protection for the configuration. This device must be claimed by a Control Cockpit instance before you can view and modify its configuration.
  - Activating tagged VLAN (Dante® network)
    A VLAN (virtual local area network) separates a physical network into partial networks. As a result, you can set up several virtual networks from a physically existent switch port (such as the Dante® network and Control Cockpit network).
  - Activating Bluetooth®
    When the device is delivered, Bluetooth® is deactivated and can be activated in the Control Cockpit.
  - Starting Bluetooth® pairing
    The pairing process can be started using the Bluetooth® button.
  - Pairing the TC Bar with a Bluetooth® device
    You can pair the TC Bar with a device that is capable of Bluetooth® to input and output audio signals from the paired device.
  - Activating Dante® signal forwarding
    Using the Dante controller software, you can activate a digital audio network protocol via Ethernet for the routing and a synchronization of Dante®-compatible devices.
  - Selecting a network mode
    You can configure the various network modes using the panel in Sennheiser’s control software.
  - Creating a user-defined device profile
    You can create a user-defined profile using the Sennheiser Control Cockpit software.
  - Enabling auto framing
    The Auto framing function focuses on participating people in the room and guarantees this focus at all times.
  - Enabling person tiling
    The Person tiling function records all participating people in the room during a conference and provides the video signal in a form that is suitable for the far end.
  - Setting the camera position
    You can use the remote control to set the camera angle and camera zoom. You can also save and call up the camera position.
  - Connecting an external PTZ camera
    You can connect an external PTZ camera using the USB-A connection.
  - Resetting camera settings
    You can reset all camera settings to the factory settings.
  - Activating third-party access
    You can activate third-party media control in the Control Cockpit if you want the TC Bar to be operated via an API.
  - Activating device access
    You can change the password for accessing the device.
- Cleaning and maintenance
  Note the following information when cleaning and maintaining the product.
- Replacing remote control batteries
  You can replace the AAA 1.5 V batteries on your own .
- Storing accessories
  You can store both the remote control and the lens cap in the bracket.
- Transport
  Here you will find information about properly preparing the TC Bar for transport.

Setting the internal microphone noise gate

The noise gate ensures background noises are not intensified during pauses in speech.

In principle, the internal noise suppression function is able to effectively reduce noise from the room. However, there can be instances when an additional noise gate is required. The noise gate ensures background noises are not intensified during pauses in speech. This is especially important when several microphones are used simultaneously.

During speech pauses, for instance, the system automatically increases amplification owing to the assumption that insufficient signal strength is present. This causes the background noises to be amplified unnecessarily.

Threshold

You can stipulate a threshold value as of which the system mutes the microphone. The noise gate does not open the audio output of the microphone until the microphone used exceeds the stipulated threshold value. With the slider, you can adjust the minimum threshold value from -70 dB to -30 dB in increments of 1 dB.

Hold time

The hold time determines how quickly the microphone reduces the amplification. A delay of up to 500 ms can be set. You can set the hold time from 100 ms to 500 ms in increments of 50 ms.

To set the noise gate threshold value:

In the Control Cockpit, navigate to Devices > TC Bar > Audio.
Activate the function Noise Gate in the field Internal Microphone Noise Gate.
Set the desired value under Threshold.
The threshold value has been set.

To set the hold time:

In the Control Cockpit, navigate to Devices > TC Bar > Audio.
Activate the function Noise Gate in the field Internal Microphone Noise Gate.
Set the desired value under Hold Time.
The hold time has been set.

The internal microphone noise gate has been set.