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User Manual
Starting up and operating devices of the Digital 6000 line.
EM 6000 2-channel receiver
These sections contain information about installing, starting up and operating the EM 6000 2-channel receiver.
Setting options in the menu
In the EM 6000 menu, you can configure the following settings.
Walktest menu item
Once you have set up and installed all of the receivers and transmitters for your event, we recommend performing a walk test.

User Manual
Starting up and operating devices of the Digital 6000 line.
- EM 6000 2-channel receiver
  These sections contain information about installing, starting up and operating the EM 6000 2-channel receiver.
  - Product overview
    Here you will find an overview of the operating elements on the front of the device and the connections on the rear.
  - Connecting/disconnecting the EM 6000 to/from the power supply system
    This section contains information on how to correctly connect the receiver to the power supply system and disconnect it again completely.
  - Connecting the EM 6000 to a network
    You can monitor and control one or more receivers via a network connection using the Sennheiser Wireless Systems Manager (WSM) or Sennheiser Control Cockpit (SCC) software.
  - Outputting analog audio signals
    Each of the two channels CH 1 and CH 2 on the EM 6000 has both a symmetrical XLR-3M output socket and a symmetrical 6.3 mm (1/4") jack output socket.
  - Outputting digital AES3 audio signals
    The Digital Audio AES3 output socket is designed as an XLR-3M socket.
  - Outputting audio via a Dante® network (EM 6000 DANTE only)
    The EM 6000 DANTE has a Dante® interface (Audinate Brooklyn II) for outputting digital audio signals via a Dante® network.
  - Connecting the word clock
    You can use the internal word clock on the EM 6000 or connect an external word clock.
  - Connecting antennas
    You can operate the EM 6000 with the supplied rod antennas or using remote antennas.
  - Using the headphone output
    You can use the headphone output on the front of the EM 6000 (6.3 mm jack) to listen to the audio signals of the two channels.
  - Installing the EM 6000 in a rack
    You can install the EM 6000 2-channel receiver in any conventional 19" rack.
  - Switching the EM 6000 on and off
    Before switching on the receiver, make sure that it has been correctly connected to the power supply system (see Connecting/disconnecting the EM 6000 to/from the power supply system).
  - Buttons for navigating the menu
    To navigate through the EM 6000 operating menu, you require the following buttons.
  - Displays on the EM 6000 display panel
    The EM 6000 has a separate display for each of the two channels CH 1 and CH 2.
  - Home screen
    After you switch on the receiver, the two displays initially show the Sennheiser logo. After a short time, the home screen is then displayed.
  - Status messages
    In certain situations, the EM 6000 display may show status messages and error messages.
  - Muting the audio signal
    You can mute the audio signal that is output via the output sockets of the two channels.
  - Menu structure
    The figure shows the complete EM 6000 menu structure in an overview.
  - Setting options in the menu
    In the EM 6000 menu, you can configure the following settings.
    - Frequency menu item
      In the Frequency menu item, you can adjust the frequency for the channel in question.
    - Name menu item
      In the Name menu item, you can define the name of the link for the channel in question.
    - Sync Settings menu item
      In the Sync Settings menu item, you can choose which settings for the transmitter you want to transfer from the receiver to the transmitter during the synchronization.
    - Encryption menu item
      You can secure the radio link between the transmitter and receiver using AES 256 encryption.
    - Command Mode menu item
      If you are using a transmitter that has a Command button, you can configure the EM 6000 audio outputs to use the Command button on the transmitter.
    - Scan & Auto-Setup menu item
      The EM 6000 lets you scan the frequency spectrum and display all of the free frequencies in the selected frequency range. The automatic frequency setup can be used to distribute the free frequencies to all of the EM 6000 devices available in the network automatically.
    - Walktest menu item
      Once you have set up and installed all of the receivers and transmitters for your event, we recommend performing a walk test.
    - AF Output menu item
      In the AF Output menu item, you can set the audio level that is output via the receiver audio outputs.
    - Test Tone menu item
      The EM 6000 provides an option for generating a test tone.
    - Bank Edit menu item
      In addition to the predefined frequency banks B1 to B6, you can assign frequencies to the user-defined frequency banks U1 to U6 yourself.
  - System menu item
    In the System menu item, you can configure all of the cross-system settings. The System menu item is located in the menu of the channel CH 1.
  - Updating the firmware of the receiver
    You can update the firmware for the EM 6000 receiver using the Sennheiser Wireless Systems Manager (WSM) software or the Sennheiser Control Cockpit (SCC) software.
  - Updating the firmware of the Dante® interface
    To update the Dante® interface (Audinate Brooklyn II) for the EM 6000 DANTE, you require the Firmware Updater software from Audinate.
- SKM 6000 handheld transmitter
  These sections contain information about installing, starting up and operating the SKM 6000 handheld transmitter.
- SK 6000 bodypack transmitter
  These sections contain information about installing, starting up and operating the SK 6000 bodypack transmitter.
- SK 6212 bodypack transmitter
  These sections contain information about installing, starting up and operating the SK 6212 bodypack transmitter.
- Modular L 6000 charger
  These sections contain information about installing, starting up and operating the modular L 6000 charger and the corresponding charging modules.
- L 70 USB charger
- Establishing a radio link
  Note the following points when you establish a radio link between the transmitter and receiver.
- Synchronizing devices
- Cleaning and maintenance
  Note the following information when cleaning and maintaining Digital 6000 series products.

Walktest menu item

Once you have set up and installed all of the receivers and transmitters for your event, we recommend performing a walk test.

This lets you check whether sufficient reception strength is available throughout the entire area used.

Start the walktest function in this menu item and then walk the entire area with one transmitter. The results of the walk test give you information about the reception quality.

To perform the Walktest:

On the home screen, press the jog dial to open the operating menu.
Turn the jog dial until the Walktest menu item appears in the selection frame:
Press the jog dial to open the menu.
The following view is displayed: The Start option in the top left of the display is already highlighted for selection.
Press the jog dial to start the walk test.
Walk the entire area on which you want to operate the system with the transmitter.
The following values are recorded on the display:

RF A: Reception from antenna A in dBm

RF B: Reception from antenna B in dBm

LQI: Connection quality as a % - see also Meaning of the Link Quality Indicator

AF: Transmitter audio frequency in dBFS

During the walk test, the Stop option in the top left of the display is highlighted as the selection.
Press the jog dial to finish the walk test when you are ready.