Hanvon WISEreader N520 User Manual page 18

WISEreader N520 English
There are two refresh modes in the system: Part and Global.
Part refresh: Part screen will be refreshed.
Global refresh: The whole screen will be refreshed. Under the direct sunlight
or low temperature, global refresh is recommended.
Factory default
Default: Restore the system to the default settings. Please save all data on
the SD card before you restore the system.
Clear temp: Clear the temporary files in the system. This function can't be
used very often. If the system space getting smaller or the performance getting
worse, please operate this function. After that, all previous bookmarks will clear up;
the book will be opened from the very beginning.
System Maintenance
Download the update package, decompress the package and save it under
the root directory in SD card, select "Update", the system will operate the software
updating automatically. ((Be careful to operate this function, and please refer to the
cautions in appendix))
Device information
Display the device ID and version information in this option.
Device ID: With the device ID, you could get our support after sale, including