Celle OPTIONS Height Adjustment 1 - low-height 2 - standard-height 3 - high-height Tilt 1 - standard 2 - tilt limiter 3 - tile and angle Arms N - no arms P - fixed arms A - adjustable arms Seat-Depth F - fixed seat depth A - adjustable seat Seat/Back CC - seat and back UC - uph seat UF - uph seat/back