arjo Enterprise 9600X Notice D'utilisation page 28

To extend the mattress platform:
Lift the blue extension catch bar (1) and hold the middle of the
end crossbar (2), then pull out the mattress platform to the
required position. Release the catch bar.
WARNING
Take care not to pinch your fingers when lifting the catch bar.
WARNING
After extending the mattress platform make sure the calf extension
sheet is clipped over the end of the mattress platform frame.
To shorten the bed:
Reverse the above procedure.
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Fig. 16 - Extending the mattress platform
2
1