LG ME770d User Manual page 69

My stuff
Notice
v MASS STORAGE function will only work in idle
mode.
v Please do not try to remove the cable while you
are downloading files. After you download the
files, you need to click "window HW safely
remove" on PC
v When you copy a file to the removable disk, you
can see the Main LCD display "transferring". it
means MASS STORAGE is working. while
"transferring", do not disconnect the cable. if you
disconnect the cable while "transferring", data
will be broken.
v If you receive a call during MASS STORAGE the
call will be rejected but after you safely remove
the cable, you will be able to see the missed call.
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and then disconnect cable.