Williams Sound WIR 239 - Manual (Page 4)

®
4
S
AFETY
I
NFORMATION
Hearing Safety:
CAUTION!
This product is designed to amplify sounds to a high volume
level which could potentially cause hearing damage if used
improperly.
To protect your hearing and the hearing of others:
1. Make sure the volume is turned down before putting on the
earphone or headphone before adjusting the volume to a
comfortable level.
2. Set the volume level at the minimum setting that you
need to hear.
3. If you experience feedback (a squealing or howling sound),
reduce the volume setting and move the microphone away
from the earphone or headphone.
4. Do not allow children or other unauthorized persons to
have access to this product.