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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
6
Channel display
The channel display
6
Battery status display
The 4-step battery status display
the receiver's built-in rechargeable battery�
6
Shortly before the rechargeable battery is completely discharged, the display
backlighting flashes, indicating that the receiver will soon switch off automati-
cally�
provides information on the current volume level�
3
provides information on the currently selected channel�
1
provides information on the capacity of
2
The operating controls
Tourguide 2020-D | 93
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