Sennheiser Evolution Wireless Digital Series Instruction Manual page 67

The LED is flashing yellow:
The link between the transmitter and receiver is estab-
▷
lished.
The audio signal is overdriven (clipping).
▷
The LED is continuously red:
No link between the transmitter and receiver.
▷
The LED is flashing red:
The link between the transmitter and receiver is estab-
▷
lished.
The battery/rechargeable battery in the transmitter is low.
▷
The LED is off:
No link between the transmitter and receiver.
▷
The transmitter is switched off.
▷
DATA LED
The DATA LED provides information about the synchroniza-
tion of transmitters and receivers.
The LED is flashing blue:
The transmitter is being synchronized with a receiver.
▷
The LED is continuously blue:
The firmware is being updated.
▷
The LED is off:
There is currently no active data link.
▷
EW-D SKM-S handheld transmitter
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