•
Clean battery contacts
With a clean pencil eraser, gently rub eraser over battery contacts. Wipe off eraser
shavings with a clean soft cloth
•
Clean battery charger
Unplug battery charger from the wall. Turn battery charger upside down and shake
out any loose debris. With a clean pencil eraser, gently rub eraser contacts. Wipe
off eraser shavings with a clean soft cloth.
NOTE
: Make sure the battery charger is unplugged before cleaning and that all
batteries have been removed.
3M is a trademark of 3M. Used under license in Canada
Please recycle. Printed in USA.
© 3M 2014. All rights reserved.
70-XXXX-XXXX-X
Contact your local dealer or 3M to learn more
about how we can improve your business.
www.3M.com/drivethru
Commercial Solutions Division
3M Center, Building 223-2N-21
St. Paul, MN 55144-1000
USA
www.3M.com/drivethru
•
Clean all equipment
Use a cloth or cotton swab, lightly moistened, to remove grease and crumbs from
your equipment. You may use a dry toothbrush to dislodge any hard crumbs.
NOTE
: Never clean your drive-thru audio equipment with spray cleaners or
solvents as they can damage the internal electronics and cause corrosion
