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Instruction manual
Starting up and operating devices of the ew IEM G4 series.
AC 41 antenna combiner
Connecting antennas

Instruction manual
Starting up and operating devices of the ew IEM G4 series.
- EK IEM G4 diversity receiver
- SR IEM G4 stereo transmitter
- AC 41 antenna combiner
  - Product overview
  - Connecting/disconnecting the AC 41 to/from the power supply system
  - Connecting the AC 41 with transmitters
    You can connect and operate up to four stereo transmitters to the AC 41.
  - Connecting antennas
  - Installing the AC 41 in a rack
  - Switching the AC 41 on and off
  - Meaning of the LEDs
- Establishing a radio link
- Synchronizing devices
  You can synchronize ew IEM G4 series transmitters and receivers via the transmitter’s and receiver’s infrared interfaces.
- Cleaning and maintenance
  Note the following information when cleaning and maintaining products.

Connecting antennas

For more information about antennas and antenna accessories, see Antennas and accessories.

In order to ensure optimal reception even in the case of poor reception conditions, we recommend using remote antennas.

To connect a remote antenna:

Connect the antenna and transmitter with a low-attenuation 50-Ω cable.
Use the shortest antenna cable possible with few intermediary connections. The cable and transmitter will attenuate the wanted signal.
Place the antenna in the room where the transmission is taking place.
Maintain a distance of at least 1 m (3 ft) between the antenna and any metal objects.