Sennheiser Evolution EW100 Instruction Manual page 11

Inserting and changing the battery
Slide the cover of the battery compartment
embossed arrow until it clicks audibly.
Open the cover.
Insert the 9 V PP3 battery (IEC 6 LR 61). Please observe correct polarity
when inserting the battery.
Close the battery compartment.
To remove the battery, push the small red lever
compartment towards the bottom side of the receiver.
Note:
We recommend powering the receiver by a standard PP3 alkaline
battery. If powered by a rechargeable 9 V battery, the operating time
will be drastically reduced.
Connecting the antenna
Screw the antenna
Connecting sound recording and reproducing equipment
Sound recording and reproducing equipment such as amplifiers, video
cameras, tape recorders etc. can be connected to the EK 100 receiver.
Use the supplied line cable with 3.5 mm jack plug to connect the
sound recording or reproducing device to the line output (AF OUT)
Lock the jack plug by screwing down the locking ring.
Adjusting the AF output level
Use the AF output level control
onto the antenna socket (M3 connection).
to adjust the AF signal level for socket
in the direction of the
in the battery
.
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