Start with collapsed ladder.
Expand rungs from either top or bottom as required until the full height requirement is reached. Ensure all locks are secured.
Full length is reached.
Start climbing when all rungs are locked in full extension as required.
Do not climb with any rungs at half extension as ladder will not lock in this position.
Place hands below rung when collapsing ladder.
DO NOT place fingers above rung when collapsing ladder.
DO NOT place hands above rung when collapsing ladder.