La Crosse Technology BC-500 Instruction Manual page 13

rechargeable batteries will first be fully charged and then discharged to
determine the battery(s) capacity(s). They are then fully charged again.
During the first charging cycle, the display of current (Figure 8) and
voltage (Figure 9) will alternate on the LCD.
The charging current
(Figure 8)
Test mode
The charging voltage
(Figure 9)
Test mode
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