ENGeneral descriptionThank you for purchasing YongNuo products in advance. Please read this user manual carefully and learn how to use camera and flash before.●RF-603 using a global free FSK 2.4GHz wireless channel which can be suitable in many country. RF-603 with FSK, can guarantee speed, distance and stability. Within capacious areas, the remote control distance may reach to 100m.●RF-603 wireless flash trigger system consist two or more similar transceivers, automatically change transmit and receive state, namely two or more transceivers can be used at the same time to control cameras or flash lights.●In support of flash waking up and triggering synchronically , with PC sync cable (optional) can be triggering studio lights sync, with specially camera shutter connecting cable (optional) can be used as wired / wireless shutter release remote control. Even installed on the flash can also be used as a shutter release remote and flash trigger sync.●When special transceiver for Canon or Nikon were used, the flash sync speed reach to 1/320s(some of models may reach to 1/250s only or less, difference models of flash and camera using may achieved difference flash sync speed).1
