Mackie MP-320 Owner's Manual page 7

7. Prior to inserting the in-ear monitors,
always recheck the ear tip to make
sure it is firmly attached to the nozzle.
8. If an ear tip becomes lodged in your
ear, seek skilled medical assistance
to remove it. Damage to the ear may
be caused by non-professionals
attempting to remove the ear tip.
9. Keep in-ear monitors clean. To clean
the in-ear monitors, wash outside
with a mild detergent solution.
10. Do not attempt to modify this product.
Doing so could result in personal
injury and/or product failure.
11. Do not immerse in water, such as
while taking a shower, bath, or
washing your face. Otherwise, sound
deterioration or failures may result.
12. Do not use while sleeping as
accidents may result.
13. Use a slow twisting motion to remove
the earphones. Never pull on the
earphone cord.
14. Stop using the earphones
immediately if they are causing great
discomfort, irritation, rash, discharge,
or any other uncomfortable reaction.
15. If you are currently receiving ear
treatment, consult your physician
before using this device.