... 3 seconds power indicator will flash, the flash will enter standby, click the ON / OFF button to start the flash, LCD bright power indicator ... activated, you can tell the chain lightning 15 times test flash button, press the remote control, you can the demo chain lightning ... the camera's X-sync cord jack, pressthe shutter button cited flash flash, Note: flash CELL + FM, CELL +1, or CELL +2 state must ...