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EK 300 IEM G2 stereo receiver
Inserting and replacing the batteries
For powering the EK 300 IEM G2 receiver, two 1.5 V AA size batteries are
required.
̈ Press the two unlocking buttons µ and open the battery compartment
cover ᕩ.
̈ Insert the two batteries as shown in the diagram on the left. Please
observe correct polarity when inserting the batteries.
̈ Close the battery compartment. The battery compartment cover ᕩ locks
into place with an audible click.
Inserting and charging the accupack
The receiver can also be powered via the rechargeable Sennheiser BA 2015
accupack. Insert the accupack into the battery compartment as described above.
The transmitter has two charging contacts ´ and a sensing contact on its short
sides. The accupack can be recharged while remaining in the transmitter. Insert
the transmitter into the L 2015 charger (see operating manual of the L 2015
charger).
Note:
For accupack operation of the receiver, only use the BA 2015 accupack In
order to ensure optimum operational reliability. For charging the accupack,
only use the L 2015 charger. Both the accupack and the charger are
available as accessories. The accupack is fitted with an integrated sensor
which is – via a third contact – monitored by the electronics of the receiver
and the charger. The sensor is necessary for the following control purposes:
y The taking into account of the different voltage characteristics of pri-
mary cells (batteries) and accupacks. The battery status indications on
the displays, the transmission of transmitter battery status information
to the rack-mount receivers and the switch-off thresholds at the end of
the operating time are corrected correspondingly. Due to the missing
sensor, individual rechargeable battery cells will not be identified as
accupacks.
y The monitoring of the accupack temperature during charging in the
L 2015 charger.
y The prevention of improper charging of inserted primary cells (batte-
ries). Due to the missing sensor, individual rechargeable battery cells
will also not be charged in the L 2015 charger.
Connecting the headphones
̈ If you use the receiver as part of the monitoring system, connect the
supplied in-ear headphones or any Sennheiser stereo headphones with
3.5 mm stereo jack plug to the headphone output (PHONES) ᕡ.
Attention! High volume!
Even short exposure to high volume levels will damage your hearing!
Set the volume for the connected headphones to the minimum before
putting the headphones on.
̈ First, set the volume control ᕢ to the lowest volume by turning it to the
left as far as possible. Then gradually turn up the volume.
Volume up? – NO!
When people use headphones, they tend to choose a higher volume than
with loudspeakers. Listening at high volume levels for long periods can lead
to permanent hearing defects. Please protect your hearing, Sennheiser
headphones have an excellent sound quality even at low volumes.
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