Use and Care Manual

E-2
LOCATION OF CONTROLS
1. ULTRASONIC
SENSOR
2. POWER SWITCH
3. DC INPUT JACK
4. RED LED
5. YELLOW LED
6. GREEN LED
7. ALARM
POWER SOURCES
The SFA275 operates using the supplied AC Adapter or with a 9V battery
(6F22) (not included).
BATTERY OPERATION
Note: Disconnect the AC adapter before installing the battery.
For best performance and longer operating time, we recommend using
alkaline battery.
1. Remove the battery door on the back of the SENSOR
UNIT.
2. Insert one new 9V battery (6F22) (not included). Make
sure the positive and negative ends of the batteries are
connected correctly. Replace the battery door.
BATTERY WARNING
1. Be sure that the battery is installed correctly. Wrong polarity may damage the
unit.
2. Use only the size and type of battery specified.
3. If the unit is not to be used for an extended period of time, remove the
batteries. Old or leaking batteries can cause damage to the unit and may void
the warranty.
4. Do not try to recharge any batteries not intended to be recharged; they can
overheat and rupture. (Follow battery manufacturer’s directions).