Black & Decker MULTI-GAS DETECTORS User Manual download pdf (Page 34)

BW Defender2

Alarms

Sensor Alarm

The detector tests for a missing or defective sensor during the

activation self-test. See the section, "If the Detector Does Not

Work."

Low Battery Alarm

The detector tests the battery on activation and continuously

thereafter. If the battery voltage is low, the detector activates

the Low Battery Alarm.

The Low Battery Alarm continues until you replace the battery

or the battery power is almost depleted. If the battery voltage

drops too low, the detector executes an Automatic Shutdown.

Automatic Shutdown Alarm

If the battery voltage is in immediate danger of dropping

below the minimum operating voltage, the audible alarm

beeps 8 times and the visual alarm flashes 8 times. After 3

seconds, the display blanks out and the detector stops normal

operation. The display shows I LOW periodically until the

battery power is depleted.

Replace the battery. (See the section, "Replacing the

Battery.")

Note

If the Confidence Beep is on, the audible alarm does

not beep during a Low Battery alarm. (See the

section, "Confidence Beep.")

Typically, the Low Battery Alarm continues for 30

minutes before Automatic Shutdown.

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Black & Decker MULTI-GAS DETECTORS User Manual Page 34