Scanning Instruction Step 1: Put the LED light pad on desktop, then connect the power supply. Step 2: Click the power switch to turn on the LED light. (Power switch cycle mode: ON - Low - Middle - High - OFF) Step 3: Put the slides and negative film on the light table. Step 4: Download SlideScan app (for scanning slides) and FilmBox app (for scanning negatives) to scan slides and negatives on your phone. Step 5: Edit photos, share them on social media, save them on your phone or upload them to your computer.