Sennheiser 2020 Headphones User Manual


 
17
The operating controls
Charge indicator
During charging, the LED · provides information on
the charging status of the receiver's built-in
rechargeable battery.
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 – 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 agent.
Volume display
K The volume display tells you the receiver volume.
Channel display
The channel display tells you which channel is
selected.
Battery status display
The 4-step battery status display
provides
information on the remaining capacity of the
receiver's built-in rechargeable battery.
Shortly before the rechargeable battery is completely
discharged, the display backlighting flashes, indicating
that the receiver will soon switch off automatically.
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