stable and continuous power supply while charging the Reader.
If your computer enters sleep mode while the Reader is connected and charging, the Reader battery’s charge will gradually drain, the Reader will shut down and the Reader’s battery will not charge. In this case, disconnect the USB cable from the Reader, wake the computer from sleep mode, and then reconnect the USB cable to the Reader.
Your computer may not be supplying sufficient power. If you connect the Reader to your laptop computer, maintain a stable and continuous power supply to the laptop computer while charging the Reader.
Battery life seems short.
The Reader may not have been charged fully. Make sure that you charge the Reader until
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The operating temperature is below 5°C (41°F). This is due to the battery characteristics and not a malfunction.
The Reader requires power while in sleep mode. If you are not planning to use the Reader, turn it off instead of leaving it in sleep mode.
If you are not browsing on the Web, exit [Browser] by pressing the 
(Home) button.
The 
icon in the status bar indicates that the Reader is playing audio. Audio playback consumes battery power. Go to the audio player and pause playback if necessary. See Details. The Reader does not automatically enter into sleep mode while playing audio.
The Reader battery gradually discharges when not in use for a prolonged period of time. Before turning on the Reader after a prolonged period of disuse, charge the Reader again.
If you are not using wireless communications, turn off
If you are charging the Reader by data transfer mode and the computer enters sleep mode or standby mode, the Reader will be unable to charge, and the battery may drain. When charging the Reader, confirm that your computer is on, and completely charge the Reader before using it. See Details.
Touchscreen
The Reader does not wake up or start immediately.
In cold temperatures, the touchscreen may respond slower than usual. This is due to the touchscreen characteristics and is not a malfunction.
After resetting or turning off the Reader, it may take time for the startup screen to appear.
The screen does not respond.
Reset the Reader. See Details.
The screen responds slowly.
If the touchscreen becomes dirty, it may not function correctly. Clean the touchscreen with a soft cloth, such as a cleaning cloth for eyeglasses.
In cold temperatures, the touchscreen may respond slower than usual. Turn off the Reader and leave it for a few hours until it adjusts to the ambient temperature.
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Copyright 2011 Sony Corporation
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