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Please follow these steps;
1) Execute “Utilities”.
2) Press “Space-1” or “Space-4”, move to “Sleep timer”.
3) Press “Enter” on the “Sleep timer”.
4) Or press “Space-j (dots 2-4-5)”, regardless of location.
5) It will find the edit box asking “Sleep timer: 0”.
6) Enter the number of minutes for the sleep timer. Enter the number
2) Press “Space-1” or “Space-4”, move to “Sleep timer”.
3) Press “Enter” on the “Sleep timer”.
4) Or press “Space-j (dots 2-4-5)”, regardless of location.
5) It will find the edit box asking “Sleep timer: 0”.
6) Enter the number of minutes for the sleep timer. Enter the number
range from 0 to 90.
7) Press “Enter”.
Once the sleep timer is set, even if the device is active, it will power off.
If you set the sleep timer for “5” minutes and press “Space-J (dots 2-4-
5)” after 2 minutes, you will find “3” in edit box. It means the power will
be turned off after “3” minutes.
17.17 Upgrade Braille Sense U2 MINI Firmware
If you activate this function, you can update the Braille Sense U2 MINI
either through an Internet connection or from a disk that contains the
upgrade file. If you decide to upgrade using an Internet connection, you
must first complete the “Setup internet” function. If you update the Braille
Sense U2 MINI, all of the settings will be returned to their default status.
Data in the flashdisk will be protected. However, we recommend that
you backup your files before updating the Braille Sense U2 MINI
Firmware.
While updating, you cannot cancel the update. Note that you must not
press the reset button while updating, and you should avoid power
failure. We recommend that you do not touch the Braille Sense U2 MINI
while it is updating. It may take up to 30 minutes to update the Braille
Sense U2 MINI, though it depends on the speed of your Internet
connection. On completing the setup, the Braille Sense U2 MINI will
reboot again to finish the update.