Method 2：Keep pressing VOL+ and CH+ keys on the machine panel, power on the machine, the standby light flashes
quickly after about 5 seconds, standby light extinguish and turn into lighting after about a minute, means that the upgrade
is completed.
3.3. Notice：
①. When the machine Upgrading (U disk light flash), do not remove U disk or switch off the power, otherwise it will
destroy the software and lead can not upgrade.
②. The machine must be power off when inserted or pulled out U disk, to avoid U disk or damage the machine.
4、When cannot upgrade in accordance with the step two, or upgrade failed, can only ISP upgrade, please refer to the
following instructions.
ISP to upgradetools and materials （
When mainboard can not use USB interface to upgrade）:
* Personal computer （WINDOWS XP system,USB2.0）
*AC100~240V power supply and power cord
*I SP burning board
*Dr i ver s f or I SP bur ni ng boar d I SP
*ISP_Tool_XC_V1.10.exe
*VGA cabl e
*VGA EDI D and HDMI EDI D dat a f i l e
(1). Connect the ISP burning board and TV VGA port with VGA cable.
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