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    Chapter 11. Off-Camera Flash > Off-Camera Method 2–Wired sync-only: PC cords

    11.4. Off-Camera Method 2–Wired sync-only: PC cords

    If all that's needed is a way to fire a flash, and automatic metering or any other advanced functions are not required, traditional PC cords may fit the bill. These are simple electric cords that can carry a synchronized trigger signal but don't carry metering data or any other information. They can't be used to adjust or specify the flash unit's power output.

    • KEY POINT

    Sync-only means a camera can send a simple "fire now!" command to a flash unit but can't specify any other information, such as output levels.



      

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