Sennheiser EW-D EM - Understanding EW-D EM Receiver LEDs

EW-D EM rack receiver
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Meaning of the LEDs
The LINK and DATA LEDs on the front of the receiver can in-
dicate the following information.
LINK LED
The LINK LED provides information about the status of the ra-
dio link between the transmitter and receiver, as well as status
information for the paired transmitter.
The LED is green:
▷ The link between the transmitter and receiver is estab-
lished.
▷ The audio signal is active.
The LED is yellow:
▷ The link between the transmitter and receiver is estab-
lished.
▷ The audio signal is muted.
or
▷ No microphone module is mounted on the SKM-S handheld
transmitter.