Sennheiser Tourguide 2020-D Instruction Manual page 44

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Charging the BA 2015 accupack
To charge the accupack of the radio microphone or bodypack transmitter:
Remove the accupack as described on page 101 or page 103�
Place the accupack into the charging compartment for accupack/bodypack
transmitter 1�
CHARGE/ERROR 2
The red LED
After the accupack has been fully charged, the green
1
3
Notes:
Charging a completely discharged accupack takes approx� 3½ hours
at room temperature� It is normal for the accupacks to get hot during
charging�
However, the charging process may take longer if:
the accupack is deep-discharged and first has to be reconditioned by a
deep discharge recovery charge,
the ambient temperature is close to or over 40°C, since, in order to
protect the accupack, the charging process will be interrupted until the
temperature has dropped to a safe level�
For safety reasons, each charging process will be interrupted after 4 hours�
When not using the BA 2015 accupack for extended periods of time, charge
it about every three to six months�
Charging the receivers' built-in rechargeable batteries
Place the receiver into one of the charging compartments for receivers
(light blue in the diagram)�
The LED
2
of the HDE 2020-D-II or
the LED
4
of the EK 2020-D-II
lights up (see table)�
of the charging compartment lights up�
READY 3
Tourguide 2020-D | 117
Operation
lights up�
5/10

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