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

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.

Meaning of the LEDs

LEDs 1 to 4 are lit:

The transmitters have been connected correctly as described under Connecting the AC 41 with transmitters.
- Sockets RF IN 1 to RF IN 4 have supply voltage for the transmitters.

LEDs 1 to 4 are not lit:

The transmitters are not compatible with the AC 41 antenna combiner.
- Make sure that the transmitter has its own power supply.

OR

There is a short circuit at the sockets RF IN 1 to RF IN 4.
- Check the antenna connections.
- Replace the connecting cable if needed.