Brother PC-850D Operation Manual page 180

This message is displayed in embroidery mode when the
combination of characters is too big to fit within the embroidery
frame. You can continue to add characters if you rotate the
pattern 90˚.
This message is displayed when any of the following are
pressed, while no pattern has been selected.
● "START/STOP" button
● "REVERSE STITCH" button
● "
" key
● "TENSION" key
● "
" key
● "SET" key
This message is displayed if the frame pattern for embroidering
has not been completely input, and when the "START/STOP"
button is pressed when in editing mode.
This message is displayed when curve configuration can not be
performed because there are too many characters.
This message is displayed when a pattern is selected during
character configuration.
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