Brother PE-770 - Manual (Page 83)

Troubleshooting 81
3
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Adjusting the LCD
If nothing appears on the LCD when the machine is
turned on, the brightness of the LCD is either too light
or too dark. In such a case, perform the following
operation.
a
Turn off the machine.
b
Turn on the machine while pressing any of the
display panel buttons.
c
Press or .
d
Turn off the machine, then turn it on again.
Operation beep
Each time a key is pressed you will hear one beep. If
an incorrect operation is performed you will hear two
or four beeps.
■ If a key is pressed (correct operation)
One beep sounds.
■ If an incorrect operation is performed
Two or four beeps sound.
■ If the machine locks up, for example, because
the thread is tangled
The machine beeps for four seconds and the
machine automatically stops.
Be sure to check for the cause of the error, and
correct it before continuing to embroider.