Yorbay KM1400 Manual De Instrucciones página 35

3. Then fix the fixed button on height adjusting sheet, with the
square hole facing up, as shown in Figure D.
4. Insert the adjusting cap into the hole of the mask, as shown
in Figure E. Pass the screw on the headband through the
adjusting cap to fix the square hole and the fixed button, as
shown in Figure F.
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