or to select the self-timer delay. 4. Focus the subject, then press the shutter button completely. You can check the self-timer operation with the self-timer/AF-assist beam, beeper, and countdown display (in seconds) on the LCD monitor. These are also red, just like the CAMERA icons, but look like camera backs, not fronts. There are two camera-back icon menus: LIVE VIEW • and LIVE VIEW ••. These settings apply only to Live View shooting. To get to the MOVIE menu, you do the same thing, but instead move the Live View lever down to the MOVIE icon, which then replaces these Re: 5D Mark IV won't turn on - help! The only thing that comes to mind is trying a hard reset. I'm not sure if the 5DIV works the same way, but earlier models had a reset procedure that involved removing the main battery AND the lithium backup battery, waiting a few minutes, then replacing them. Sorry to hear that you are having problems with your 6D Mark II. What are the symptoms that you see on the camera? What have you tried so far to solve the problem? The 430ex II, is not set as a slave. The 430ex II is in Manual mode. The recievers and transmitter are set to channel 1. The model is: Neewer 16 Channel Wireless Remote FM Flash Speedlite Radio Trigger with 2.5mm PC Receiver for Canon 580EX II 580EX 550EX 540EZ 520EZ 430EX, Universal Hot Shoe (1 Trigger & 2 Receivers Set) The flashes are 5. When you're in manual mode, you can shoot yourself in the foot all you want. This includes underexposing to the point of having a black frame. Check your meter. Unlike all the other automated modes, in M mode, the camera doesn't automatically adjust your settings to shove your meter's "needle" to 0. Qrsa.