Sennheiser HD 4.50 BTNC Owner's Manual

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HD 4.50BTNC
Care and maintenance
Care and maintenance
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit 
and damage the electronics.
 
X
Keep all liquids away from this product.
 
X
Do not use any solvents or cleaning agents.
Replacing the ear pads
For reasons of hygiene, you should replace the ear pads from time to time. Spare 
ear pads are available from your local Sennheiser partner.
1. 
Lightly pull the ear pad away from  ear cup until it is detached.
2. 
Secure the new ear pad by inserting the fixation band in the space on the ear 
cup. Ensure that the stitched line on the ear pad is positioned at the bottom.
1
2