You need a PC Sync to 2.5mm Jack like the link below.
https://a.co/d/c4GYbjk
You need to connect the 2.5mm jack to “Sync-In” port on the side of the digital back.
Also, you need to select the camera type in the menu of your digital back to ‘Large Format’ type.
Also, you need to select the camera type in the menu of your digital back to ‘Large Format’ type.Still have a question? Contact us with your camera, digital back and sync cable.