Kidde NIGHTHAWK KN-COSM-B User Manual page 7

Features
* One "chirp" every 30 seconds is an indication. that
the alarm is malfunctioning. If this occurs call the
Consumer Hotline at 1-800-880-6788.
• Loud 85 decibel alarm.
Oversized test button for easy activation.
• Test button performs the following functions:
Tests the units electronics and verifies
proper unit operation
Resets the unit during CO alarm
Peak Level Memory (See page 16).
• Mounting bracket designed for easy orientation
of unit.
• Green and red LED lights that indicate normal
operation and alarm status.
Green Light: The green Light Emitting
Diode (LED) flashes every 30 seconds to
indicate the unit is operating properly. The
green light also flashes before a CO
reading is taken and when any button is
pressed.
Red Light: When a dangerous level of
smoke or carbon monoxide is detected the
red Light Emitting Diode (LED) will flash and
the corresponding alarm pattern (depending
on the source) will sound. If the unit
malfunctions, the red LED light will flash and
the unit will chirp every 30 seconds
indicating a system problem.
• Powered by three (3) AA batteries.
• Battery lockout system that prohibits installation
without using three batteries.
• Tamper Resist Feature that deters children and
others from removing the alarm. 5