Symbol Technologies LS 3603 - Manual (Page 20)

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LS 3603 Product Reference Guide
Maintenance
Cleaning the exit window is the only maintenance required.
• Do not allow any abrasive material to touch the window.
• Remove any dirt particles with a damp cloth.
• Wipe the window using a damp cloth, and if necessary, a non-ammonia
based detergent.
• Do not spray water or other cleaning liquids directly into the window.