4/05 web: WM UHF16™ ELECTRICAL SAFETY PRECAUTIONS WM UHF16™ ELECTRICAL SAFETY PRECAUTIONS K CAUTION The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE THE COVER (OR BACK). The exclamation point within an equilateral triangle is intended to alert the user to the presence of important to constitute a risk of electric shock to persons. presence of uninsulated "danger