Hitachi EUP-B712 Instruction Manual page 21

3.2.4 Setting the needle guide angle
Pull the knob(①) and release it into the recess of appropriate angle
of the bracket(②). Needle guide angles are engraved on the bracket.
(See Fig. 12)
Recess of the bracket
①
Knob
②
Needle guide angle are engraved
Fig. 12 Setting the needle guide angle
WARNING
WARNING
Do not place the knob on any positions between recesses of the bracket.
Otherwise, the needle guide angle will be unstable.
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