Please turn off power supplies of all equipment when connecting or installing the product. Please keep it dry. Be sure not to use wet hand to touch the product. It is also not allowed to immerse the product into water or make it be exposed in the rain. Otherwise it may not work normally or even be damaged. Do not use it in explosive situations. Violating this warning may cause an explosion or fire. This product involves battery, please be in strict accordance with the relevant provisions on the use of the battery. Otherwise it would cause property damage or personal injury. Contents/CautionsGeneral Description. . . . . . . . . . . . . . . . . 1Conventions Used in the Manual..........2Supported Functions List. . . . . . . . . . . . . . . 3Name of Parts/Quick Start Guide. . . . . . . . . . . 4-5Preparation Before Use..............6Settings. . . . . . . . . . . . . . . . . . . . . 7-11Flash Awaking and Triggering ...........12Control from Camera’s Menu Screen .........13C.FN: Custom Function Settings ..........14Other Trigger Modes ..............15Shutter Release Function............16Reference. . . . . . . . . . . . . . . . . . . 17-19Troubleshooting. . . . . . . . . . . . . . . . . . 20Specifications. . . . . . . . . . . . . . . . . . . 21