Specification
6
3. Other Alarm Visual and Audible Indicators
Operational Mode Visual Indications Audible Indications Action/Note:
Normal (standby)
AC power:  Green LED on continuously 
during light conditions, or blink every 60 sec 
during dark conditions. 
DC power: Green LED blink approx every 60 sec.
Test (button press when 
no alarm condition is 
present)
• 4 patterns of Red/Amber/Green.
• Test: Red LED blinks in time with 
alarm pattern.
• Green LED fade on/o at test 
complete
• Button press sound
• Voice: "Testing, this is very loud. 
Press now to cancel test. 5, 4, 3, 2, 1."
• 3 long beeps, Voice "Fire!", 3 long 
beeps, 4 quick beeps, Voice "Warning, 
Carbon Monoxide," 4 quick beeps, 
Voice "Test Complete," Power on/
reset sound.
• Voice "Test Canceled" if button 
pushed before test sequence begins.
Perform Test/Hush button 
press once a week to verify 
proper alarm operation
* Push/release button before 
the countdown ends to 
cancel test.
Smoke or CO Alarm 
Memory (unit has expe-
rienced a smoke or CO 
alarm event within the 
last hour)
Red and Amber LED alternate on 1 
sec, every 10 sec.
After button push: "Smoke previously 
detected" or "Carbon Monoxide 
previously detected" only on the 
initiating alarm unit.
Push test button to clear 
Alarm Memory. NOTE: stan-
dard test sequence will follow. 
(Push/release button again to 
cancel test).
Smoke Alarm Hush 
Mode, (SMART HUSH® 
CONTROL)
Red LED blinks every 2 sec. After button push: "Hush Mode Acti-
vated." Smoke alarm pattern stops.
(If there is too much smoke to allow 
Hush: Voice "Too Much Smoke, Alarm 
cannot be Hushed" Smoke alarm 
pattern continues.)
This feature is to be used 
only when a known alarm 
condition, such as smoke from 
cooking, activates the alarm.
CO alarm reset  None After button push: CO alarm pattern 
stops.
Unit is conrming if CO is 
present or if it experienced a 
nuisance situation. Re-alarm 
means danger. Move to fresh 
air and call 911.
Locate None After button push on non-initiating 
unit, only initiating unit continues 
alarm pattern.
Use this to quickly locate the 
alarm source and determine if 
alarm is nuisance or real.
Smoke Alarm Hush 
Mode Canceled
None Voice message "Hush Mode 
Canceled."
When smoke levels drop 
below the alarm threshold, 
the voice message "Hush 
Mode Canceled" will occur .
Initiating Alarm,
(Multiple alarms in an 
interconnected system)
Green LED blinks once per sec indicating 
that this is the unit initiating the alarm in an 
interconnected, multiple alarm, system.
Unit in either Smoke or CO alarm 
mode.
During alarm, the initiating 
alarm red blink will be inter-
rupted by a green blink.










