La Crosse Technology BC700 Instruction Manual page 9

mode to the new rechargeable batteries in order to achieve the optimum battery
capacity.
When the transformer has been plugged to the power source, the version number of
the charger (for example "29" ) will be displayed first. Then all the segments will light
up momentarily and the "null" sign will be shown before batteries are placed. If
damaged batteries are placed to the charging unit, the charger will also show "null" on
LCD.
"null" displayed - No battery or damaged battery is
placed to the charging unit
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