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![](https://files.manualsfile.com/13529484-atr-1723bkw/bg1b.png)
54
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NOTE
• These steps must be performed in this exact order very carefully to prevent a short in the battery
by accident.
Connecting the battery backup unit to the garage door opener unit
Connect the 2-wire harness to the garage door opener unit.
Insert the 2-wire harness to the battery backup unit.
BACKUP BATTERY
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