Do you have a question about the Image 3.8 and is the answer not in the manual?
Position the barbell and safety spotters correctly for exercises by engaging and disengaging hooks.
Move safety spotters to desired height positions by releasing and re-engaging slots in the uprights.
Load weights onto the barbell and secure them with clips, removing weight adapters if necessary.
Raise or lower the backrest by engaging or disengaging frame tabs on the adjustment bracket.
Raise or lower the seat by engaging or disengaging the adjustment bracket from the seat support pin.