Alinco DJ-V57 - Manual (Page 18)

2.Accessories
2
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2.1.5 Prevent Short Circuiting the Battery Pack
Be extra cautious when carrying the rechargeable battery pack; short circuiting will
produce surge current possibly resulting in fire.
2.1.6 Battery-Level Icon
During the operation, a black battery icon indicates
that the battery-level is in usable range. When it
turns to empty, please charge the pack or replace the
cells with new ones.
Battery-level icon
The battery is in usable
condition.
Battery-level is low.
Replace or charge the pack.
DON'T carry with
metals of any type, e.g.
chains. DON'T carry the battery
pack inside bags made
of conductive materials. DON'T place in the
proximity of metals or
conductives, e.g. nails,
chains.
Do enclose inside a non-conductive enclosure. (bags or
handkerchief made only of non-conductive material)
Do protect by spreading
a non-conductive sheet
on a flat surface.