Unitronics UniStream US5-B10-RA28 Installation Manual page 8

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Battery: Back-up, First Use, Installation, and Replacement
Back-up
In order to preserve back-up values for RTC and system data in the event of power off, the battery
must be connected.
First Use
The battery is protected by a removable cover on
the side of the controller.
The battery is supplied installed inside the unit, with
a plastic tab preventing contact which must be
removed by the user.
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UniStream 7"
UniStream 10.1"
User Guide
Unitronics