Hioki CM4371 Mode D'emploi page 17

Insert/Replace Batteries
1
5
Battery
indicator
Fully charged.
As the battery charge diminishes, black charge bars disappear, one by one,
from the left of the battery indicator.
The battery voltage is low. Replace the batteries as soon as possible.
(Blinks) The battery is exhausted. Replace the batteries.
4 2
Description
Insert/Replace Batteries
3
13