Sennheiser System 2015 Notice D'emploi page 19

Wearing the transmitter or receiver around your neck
Using the EZG 2015 pouch with neck strap (optional accessory), you can wear
the transmitter or receiver around your neck.
Insert the transmitter or receiver into the pouch.
Use the snap hook to attach the neck strap to the eyelet of the pouch as
shown.
Note:
When using the transmitter with the MKE 2015-0 screw-on microphone
(optional accessory), adjust the length of the neck strap so that the
distance between the microphone and your mouth is 25 cm at the most.
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