Victron energy BMV-712 Smart Manuel page 21

A timely alarm can be generated by monitoring the midpoint of the battery
bank. For more information, see section 5.1.
3.11 Additional functionality of the BMV-712 Smart
3.11.1 Automatic cycling through status items
The BMV-712 can be instructed to automatically cycle through the status
items by keeping the minus button pressed for 3 seconds. This enables
one to keep an eye on their system's status without the need to operate
the BMV-712. Automatic cycling through status items is disabled by
keeping the minus button pressed for 3 seconds or by keeping the setup
button pressed for 2 seconds (this will enable setup mode).
Pressing plus or minus button while automatic cycling through status
items is active, will manually select the next/previous status item without
disabling automatic cycling.
3.11.2 Turning Bluetooth On/Off
The BMV-712's on-board Bluetooth module can be turned on or off
through the settings menu. See section 4.2.1, setting 71.
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