7. Turn on the AC power. The green AC Power On Indicatorshould be lit when the alarm is operating from AC power.8. Two labels are included with your alarm. They have importantinformation on what to do in case of an alarm. Add thephone number of your emergency service provider (FireDepartment or 911) in the space provided. Place one labelnext to the alarm after it is mounted, and one label near afresh air source such as a door or window.9. Remove the red cardboard from the battery compartment,install batteries, close battery door.Step 4Testing the AlarmCAUTION: Due to the loudness (85 decibels) of thealarm, always stand an arms length away from the unitwhen testing.After installation, TEST THE UNIT’S ELECTRONICS by pressing andreleasing the test/reset button. You will then hear the followingsequence of "beeps" and verbal warnings:Three long beeps.Verbal warning: "FIRE!"Three long beeps.Four quick beeps.Verbal warning: “WARNING! CARBON MONOXIDE”Four quick beepsSingle beep to resetWeekly testing is required! If at anytime it does not perform asdescribed, verify power is connected correctly and that thebattery doesn’t need replacing. Clean dust and other buildup offthe unit. If it still doesn’t operate properly call the ProductSupport Line at 1-800-880-6788.Interconnect FeatureYour Combination Smoke/CO Alarm is interconnectable to othermultiple station Kidde, Nighthawk and Kidde/Fyrnetics products:• When compatible smoke alarms and heat alarms areinterconnected to your Smoke/CO Alarm, they will onlyrespond to a smoke related event.Installation Instructions14!