SoftBank 830CA User Manual page 23

General Notes
Do not use handset without battery cover. Doing so may cause battery to come off or may result in malfunction or breakage.
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Do not affix thick stickers or labels to the Display or keypad side. Doing so may result in malfunction, and may cause keys and buttons
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to be wrongly activated when handset is closed, resulting in malfunction and reduced battery life.
Battery is a consumable item. Replace battery with a new one if the operation time becomes extremely short even after it is fully
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charged. Purchase a new battery designated for handset.
Do not store empty battery. Doing so may degrade performance and shorten life of battery.
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Do not leave battery removed or uncharged for an extended period of time. Doing so may alter or erase the settings and data you
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saved. SoftBank accepts no liability for any damages resulting from such loss or alteration.
When removing Stereo Earphone Conversion Cable or AC Charger from External Device Port, do not pull the cord, hold the
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connector. Pulling the cord may result in wire breakage or malfunction.
Charge battery at an ambient temperature of 5 to 35°C.
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If you use an outlet with pullout prevention feature, refer to the instruction manual of the outlet.
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Do not insert USIM Card with a sticker or label attached to it into handset. Doing so may cause malfunction.
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Do not insert the connector of Stereo Earphone Conversion Cable by force; as it may damage the connector. Connecting Stereo
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Earphone Conversion Cable is only possible when the connector is inserted from a proper angle with correct orientation. Check the
angle and orientation again when you find difficulty in inserting the connector.
Your voice cannot be sent to the other party if earphones with no microphone are connected to the earphone terminal of Stereo
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Earphone Conversion Cable.
When stereo earphones are connected to Stereo Earphone Conversion Cable, the same monaural sound outputs through both
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earphones during calls, etc. When a monaural earphone is connected to Stereo Earphone Conversion Cable, sound outputs through
left earphone only.
Do not apply strong shock to Stereo Earphone Conversion Cable or throw it.
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Do not place a heavy object on Stereo Earphone Conversion Cable.
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Turn power off before removing battery. Failure to do so may result in corruption or loss of stored data.
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Do not wind stereo earphone conversion cable around handset. This may result in decreased sensitivity, noise or dropped calls.
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When using functions such as web browsing, TV, voice calls, video recording etc. for an extended time, and while the AC Charger
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is connected, parts of the handset may become warm. This is normal, but care must be taken to avoid the risk of low-temperature
burns through prolonged contact with the skin.
When carrying the stereo earphone conversion cable around, take care that connector does not get dirty or deformed.
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