Get Code One KN-COB-B-LPM Use and Care Manual. Get all Code One manuals! Sign up to create an account Facebook Twitter. By clicking Create Account, you agree to the Company’s. Model KN-COPP-B-LPM (with digital display) Operating Characteristics. Appliance manuals and free pdf instructions. Find the user manual you need for your home appliance products and more at ManualsOnline. Kidde Carbon Monoxide Alarm KN-COB-B-LPM User Guide ManualsOnline.com. Every day we add the latest manuals so that you will always find the product you are looking for. It's very simple: just type the brand name and the type of product in the search bar and you can instantly view the manual of your choice online for free. Model KN-COPP-B-LPM (with digital display) Operating Characteristics Peak Level Memory (model KN-COPP-B-LPM only) When the Peak Level button is pressed and held, the display shows the highest CO reading taken by the CO alarm since its last reset or power up. In this example 120 PPM was the maximum amount of CO recorded since the unit was last.