1
OSC
(PIN 12)
LOW SUPPLY TEST
(INTERNAL)
CHAMBER TEST
(INTERNAL)
7
SMOKE TEST
(INTERNAL)
IRED
(PIN 6)
6
6
9
STROBE
(PIN 4)
16
LED
(PIN 11)
17
2 (CONTINUOUSLY ILLUMINATED)
SILVER, BRASS
ENABLE
(INTERNAL)
NO LOW SUPPLY Ċ CHAMBER SENSITIVITY OK
POWER-ON RESET
NOTES: Numbers refer to the AC Electrical Characteristics Table.
Illustration is not to scale.
18
14
13
13
CHIRPS INDICATE LOW SUPPLY
CHIRPS INDICATE DEGRADED CHAMBER SENSITIVITY