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Instruction manual
Starting up and operating devices of the Evolution Wireless Digital series.
EW-DX EM 2 rack receiver
Displays on the receiver’s display panel
Status information such as frequency, reception quality, battery status and audio level is shown on the display.
Status messages

Instruction manual
Starting up and operating devices of the Evolution Wireless Digital series.
- EW-D EM rack receiver
- EW-D SKM-S handheld transmitter
- EW-D SK bodypack transmitter
- EW-DX EM 2 rack receiver
  - Product overview
  - Connecting/disconnecting the receiver to/from the power supply system
  - Connecting receivers in a network
  - Connecting antennas
  - Outputting audio signals
  - Installing receivers in a rack
    Observe the following instructions when mounting the receiver in a rack.
  - Switching the receiver on and off
  - Lock-off function
  - Using the headphone output
    You can use the headphone output on the front of the receiver (6.3 mm jack) to listen to the audio signals of the two channels.
  - Meaning of the LEDs
  - Displays on the receiver’s display panel
    Status information such as frequency, reception quality, battery status and audio level is shown on the display.
    - Home screens 2 and 3
    - Meaning of the Link Quality Indicator
      The LQI (Link Quality Indicator) on the display of the receiver shows the transmission quality for the respective channel.
    - Status messages
    - Channel 1
    - Channel 2
  - Buttons for navigating the menu
  - Opening the menu and navigating the menu items
  - Menu structure
    The figure shows the complete menu structure in an overview.
  - Setting options in the menu
    In the receiver menu, you can configure the following settings.
  - System menu item
  - Updating the firmware of the receiver
    You can update the receiver firmware using the Sennheiser Control Cockpit software, the Wireless Systems Manager software or the Smart Assist app.
- EW-DX EM 2 Dante rack receiver
- EW-DX EM 4 Dante rack receiver
- EW-DX SKM | EW-DX SKM-S handheld transmitter
- EW-DX SK | EW-DX SK 3-PIN bodypack transmitter
- Table stand EW-DX TS 3-pin | EW-DX TS 5-pin
- EW-DP EK portable receiver
- EW-DP SKP plug-on transmitter
- Establishing a radio link | Synchronizing the receiver and transmitter
- L 70 USB charger
- CHG 70N-C charger
  The CHG 70N-C is a network enabled charger featuring two individual charging bays.
- EW-D ASA antenna splitter
- AWM active directional antenna
- Cleaning and maintenance
  Note the following information when cleaning and maintaining products of the Evolution Wireless Digital series.

Status messages

In certain situations, status messages may appear on the display.


	AF Peak The device is experiencing repeated or prolonged audio overload. Check the input signal on the transmitter and adjust it.
	RF Peak The antenna signal is overmodulated. Increase the distance between the receiving antenna and the transmitter.
	Low Signal The received signal is too low or the transmission quality is insufficient. Check that the antenna is properly connected and inspect the system wiring. Check that the transmitter is within the reception range. Check the orientation of the receiver’s antenna.
	Low Battery The transmitter’s batteries or rechargeable battery pack have little battery life remaining (less than 30 minutes). Replace the rechargeable battery or batteries.
	No Link No link to a transmitter. Verify that the transmitter is on and within range. Check whether the transmitter is muted (“RF Mute” setting).