Ah, yes Bow...... It is a quick release screw/knob. Unscrew the knob then press it in. You will then be able to move the elevating arm upwards and remove it from the fixed base.
Ah, yes Bow...... It is a quick release screw/knob. Unscrew the knob then press it in. You will then be able to move the elevating arm upwards and remove it from the fixed base.