When you see options being grayed out, that means they are not to be used in current mode. For example, when HDR is turned on, ISO, White Balance and Burst Shooting are not allowed to be used, therefore are grayed out.
When you see options being grayed out, that means they are not to be used in current mode. For example, when HDR is turned on, ISO, White Balance and Burst Shooting are not allowed to be used, therefore are grayed out.