Sennheiser Tourguide 2020-D Instruction Manual page 47

Operation
LED
12
lights up red
lights up green
flashes red
lights up orange
is off
Charging time of a completely discharged rechargeable battery at room tem-
perature:
Receiver
HDE 2020-D-II
EK 2020-D-II
The charging process may take longer if:
• the rechargeable battery is deep discharged and first has to be recondi-
tioned by a deep discharge recovery charge,
• the temperature of the built-in rechargeable battery is below 3 °C or over
40 ° C, since, in order to protect the rechargeable battery, the charging pro-
cess will be interrupted until the temperature is again within the permissi-
ble range and the LED
• the additional temperature protection of the charger interrupts the charging
process until the charger has cooled down�
120 | Tourguide 2020-D
Meaning
The rechargeable battery is being charged�
The rechargeable battery is fully charged�
The temperature of the rechargeable battery is below
3 ° C or over 40 °C� The charging process will be inter-
rupted until the temperature of the rechargeable battery
is again between 3 °C and 40 °C�
The rechargeable battery is defective� Interrupt the
charging process and contact your Sennheiser service
partner�
The receiver is not placed correctly into the charging
compartment�
Charging time
approx� 2�5 hours
approx� 5 hours
12 lights up,