Sony NWZ-W274S Help Guide (Printable PDF) - Page 32
Heat may build up in your Walkman while charging. This is not a, wake up from the sleep mode
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35 ºC (95 ºF). If you try to charge the battery in an ambient temperature outside this range, it will not properly charge. In such a case, the OPR lamp blinks red. The number of times the battery can be recharged before it is used up is approximately 500 times. This number may vary depending on the conditions under which you use your Walkman. The control buttons on your Walkman become inoperatable while connected to a computer. To prevent battery deterioration, charge the battery at an interval of at least every six months to a year. The Walkman will not charge if the computer enters a power saving mode such as Sleep or Hibernate, and will discharge in this case. Do not leave your Walkman connected for extended periods of time to a laptop computer that is not connected to AC power. Leaving the Walkman connected may discharge the computer's battery. Disconnect your Walkman from the computer before you turn on, restart, wake up from the sleep mode, or shut down the computer. Heat may build up in your Walkman while charging. This is not a malfunction. When you use your Walkman for the first time, or if you have not used the Walkman for a long time, recharge it fully (until the OPR lamp turns off). When you use your Walkman for the first time, or if you have not used the Walkman for a long time, it may take a few minutes to be recognized by the computer, even if charging has already started (the OPR lamp lights up in red). Check that the computer recognizes the Walkman after you have connected it to the computer for about 5 minutes. Copyright 2013 Sony Corporation Go to page top 32