voltage warning (UVW) voltage value.
The battery voltage is lower than the low
voltage disconnect (LVD) voltage value.
The battery type is in error.
4.12 Meter parameter
The meter's model, software, and hardware version could be checked via the meter
parameter page. And the two parameters (Switch pages, Backlight) could be browsed
and modified as well.
On the above anyone page, long-press + + + at the same time to enter
the language selection page: