has been inserted into, or change another U disk and try again.
③
. Display percentage progress prompts and about 10 seconds later, the machine black screen and restart automatically,
means that the machine complete the upgrade process, turn off the machine first, then pull out the U disk.
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 goes out and turn into lighting after about a minute, means that upgrade is
completed.
(3). Notices
：
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 damaging U disk or machine.
③
. Because of compatibility between machine and U disk, some machines will not flicker during upgrading. Please
change U disk (The capacity of U disk is not more than 2G) or use method 1 to upgrade.
④
. If the display screen can't display menu normally, it cannot use "method 1" to upgrade, you can use Mstar ISP Tools
to upgrade except method 1 and method 2.
4
、
When cannot upgrade in accordance with the step two, or upgrade failed, can only ISP upgrade, please refer to the
Press
OK
key
Upgrading
升 级
异常
Did not identify
the U disk
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
goes out and turn into
lighting after about a
minute,
means
that
upgrade is completed.
U disk
Abnormal
Did not identify
upgrade file
When software upgrading
completed, the machine will
restart automatically, and then
display this menu
