1. Open the battery cover, put in two AA batteries, turn on the LED switch to test if the LED is on.
2. Put the 35mm film negative into the negative card slot.
3. Open the downloaded APP on your mobile phone, place the mobile phone camera against the hole of the cat scanner, and then adjust the zoom to the best. 4.
4. Click the shooting button to scan, edit the scanned film on the APP, you can save and share.