How to Know When the Battery in a ERA Transmitter/Sensor is Low

This applies to the following ERA transmitters (ERA-DSTX, ERA-UTX, ERA-PIR)

-The ERA-DCRX (receiver) has four-zone indicator lights that blink when triggered.

-When the battery is low in a transmitter paired to a corresponding zone, the zone indicator LED for that light will blink for 10 minutes when that zone is triggered.

-When the battery is low in a transmitter paired to a corresponding zone, the melody for that zone will play twice (normally, the melody will play only once).

For the ERA-PIR-SPK:  when the battery is low, the melody will play twice, instead of once.

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