Sennheiser 2020 LED lights up red, LED lights up green, LED slowly flashes red, Volume display

The operating controls

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LED lights up red:

The built-in rechargeable battery is being charged.

LED lights up green:

The built-in rechargeable battery is fully charged. The receiver is now ready for operation.

LED slowly flashes red:

The temperature of the built-in rechargeable battery is outside the permissible range (3°C to 40°C). The charging process is interrupted until the temperature is again within the admissible range.

LED lights up yellow/orange:

The built-in rechargeable battery is defective. Please contact your Sennheiser partner.

Volume display

The volume display provides information on the current volume level.

Channel display

The channel display provides information on the currently selected channel.

Battery status display
The 4-step battery status display	provides infor-

mation on the capacity of the receiver’s built-in rechargeable battery.

Shortly before the rechargeable battery is completely discharged, the display backlighting flashes, indicat- ing that the receiver will soon switch off automati- cally.

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