![Ya-man HRF-40 User Manual Download Page 15](http://html1.mh-extra.com/html/ya-man/hrf-40/hrf-40_user-manual_3078681015.webp)
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• Do not overload an electrical circuit with the AC adapter. Be sure the AC adapter is inserted directly into the wall outlet.
• Before charging, check that there is no liquid (water or gel, etc.) on the charging base. Liquid (water or gel, etc.) on the charging base during charging will cause the device to
malfunction.
• Fully charge the battery before using the device for the first time after purchasing.
• When using the device for the first time or when the device has not been used for an extended period of time, it is possible that you will be unable to use the device for very long even
with a full charge displayed.
In such a case, recharge the device before using it.
• Be sure to use the included AC adapter and USB charging cable.
• Do not recharge the device in locations where there are high temperatures or high humidity, such as bathrooms or washrooms.
ATTENTION