IRiver H300 Series Instruction Manual page 11

If a power source is connected when the
product is turned off, the following message
is displayed in the system LCD. Press the
button while charging to start the system
in play mode.
If the battery is fully charged, the charging
process is automatically terminated and the
charging indicator lamp is turned off.
Charge Time: 3 hours (if the battery is fully discharged)
[Note]
If the power source is connected when the product is turned on, the
battery icon is animated. After charging is finished, the icon
becomes a still
If the battery is fully discharged, the
following message is displayed in the
system LCD.
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Inserting external battery pack
Slide the external battery pack cover to open it.
Insert four AA batteries, be careful to observe the correct polarity. Slide the
cover back into place.
Twist the external battery pack to UNLOCK direction. Insert the H300 to the
system slot of the external battery pack.
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