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How to Install the Batteries Before proceeding: • Ensure the Xfinity Voice Battery Casing is disconnected from both the Gateway and the Gateway’s External Power Supply. • All batteries must be new and the same type of battery from the same manufacturer. Do NOT mix batteries.
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Gateway. • DO NOT reboot or power cycle the Gateway while the Voice Battery Casing is in backup power mode. Doing so will reduce the length of service time of the Voice Battery Casing. •...
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The Gateway must be running on AC power (not in battery backup mode) during battery replacement. • Disconnect the Gateway and the Gateway’s External Power Supply from the Voice Battery Casing. • All batteries must be new and the same type of battery from the same manufacturer. Do NOT mix batteries.
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7. Press down on the terminals side first and then the other side to secure into place. 8. Insert six new batteries as indicated above and close the Voice Battery Casing lid. 9. Finger tighten the screws on both corners of the Voice Battery Casing.
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