The following diagram shows that the light intensity gradually decreases as theviewing angle is increased. Use this information to determine the best locationfor the strobe light.2. APPLICATIONSPRIMARY DIRECT AND INDIRECT VISIBLE SIGNALLocate the strobe light on the ceiling in the center of the room or onthe wall a minimum of 80"(2 m) above the floor.For rooms larger than 250 sq. ft. (14 ft. by 16 ft. - 4.27m by 4.88 m) thenotification device should be located within 16 feet of the pillow when located in asleeping area.SUPPLEMENTARY VISIBLE SIGNALThe strobe must be located more than 30 inches above the floor.3. RECOMMENDED LOCATIONS OF VISUAL SIGNALING DEVICES• Locate the first strobe light in the bedroom in which the hearing impairedindividual sleeps. If the bedroom door is kept closed at night, aninterconnecting smoke detector must also be installed in that bedroom.• Locate additional strobe lights in any lived-in room where a hearing impairedindividual would need to be notified of an alarm condition.4. LOCATIONS TO AVOID• In direct sunlight or high ambient light areas; the bright light may reduce one’sability to notice the strobe light.• In areas where the temperature may fall below 0°C (32°F) or rise above 49°C (120°F).• In areas with high humidity.• Do not use outdoors (This device is not listed for outdoor use).WALLCEILING25 9025 8530 8030 7535 7035 6540 6045 5555 5075 30-4590 5-25100 0(LIGHT INTENSITY) (IN DEGREES)PERCENT ANGLE90°90°90° 90°0°0°45°45°45°45°SOURCELIGHTSOURCELIGHTWALLCEILING25 9025 8530 8030 7535 7035 6540 6045 5555 5075 30-4590 5-25100 0(LIGHT INTENSITY) (IN DEGREES)PERCENT ANGLE90°90°90° 90°0°0°45°45°45°45°SOURCELIGHTSOURCELIGHT