BASIC OPERATIONS-confinued____
11 Insert the joint plate
• into the joint collar @ .
While holding the base of the joint knob against the joint, slide the joint plate into the joint collar until it is fully seated.
o When inserting the joint plate into the joint collar, be sure the flat edges of the joint plate remain parallel to the flat edges of the joint.
12 Lock the joint.
•Align the flash head position- ing index @ with the "normal " posi- tion mark on the flash head posi- tioning scale, then turn the joint knob clockwise until the joint is locked in position.
oSee page 18 for information about removing the joint.
13. Loosen the joint lever @.
Turn the jOint lever counterclock- wise as far as it will go to loosen it.
14 Insert the arm @ into
• the joint.
Insert the arm positioning screw @ into the slot in the joint. The arm can be inserted from either side of the joint. The normal position is shown in the photo.
15 Position the arm .
•Align the arm positioning screw with the arm positioning index @ on the joint by turning the arm 90°.
16 Lock the arm .
•After aligning the arm posi- tioning screw with the arm position- ing index, turn the joint lever clock- wise as far as it will go to lock the arm into position .
oNormally, the joint is locked at the top of the arm.
o Before diving, be sure the jOint knob and joint lever are locked tightly.
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