Sytech SY-791, User Manual, Page: 7 / 44

Charge the battery
Battery level indicator
The battery icon in the upper right corner of the
unit shows the amount of battery charge. This
icon also indicates that the device is charging.
When the battery is fully charged, the charge level
icon will present 3 bars.
The runtime of the device varies as it is subject to
various factors, such as volume, intensity of
screen light and the mode that is being used.
This device has different energy-saving options to
make the runtime longer, such as automatic
shutdown or screen display time.
It should be noted that when the device is idle
(without any operation), after a while it will
automatically turn off to energy saving mode.
These settings can be changed in "Settings”
menu.
Charging Method
When the battery icon is almost empty or empty
the message "Low Battery" will be displayed.
To charge the battery, turn off the device and use
the provided USB cable to connect to a computer