The AF point does not illuminate in red when the camera is focused (EOS 70D)
Solution
When focus is achieved, the AF point will be displayed in black. Under low-light conditions, the viewfinder will flash in red to illuminate the AF point.
NOTE
Icons used on this page:
<
>: Program AE / <
>: Shutter-priority AE / <
>: Aperture-priority AE / <
>: Manual exposure / <
>: Bulb / [ 
]: Custom Functions
>: Program AE / <>: Shutter-priority AE / <>: Aperture-priority AE / <>: Manual exposure / <>: Bulb / [ ]: Custom FunctionsIn the / / / / shooting modes, you can use [C.Fn II -12 VF display illumination] to make illumination settings for the AF points and grid in the viewfinder.
/ / / / shooting modes, you can use [C.Fn II -12 VF display illumination] to make illumination settings for the AF points and grid in the viewfinder.1. Set the camera`s power switch to <ON>.
2. Press the <MENU> button.
3. Select [C.Fn II: AF] under the [ ] tab, and then press <
>.
] tab, and then press <>. 
4. Select [12 VF display illumination].
5. Select the setting (number), then press <>.
>.
| Item | Setting |
|---|---|
| 0: Auto | The viewfinder illumination turns on automatically under low light. |
| 1: Enable | The viewfinder illumination turns on regardless of the ambient light level. |
| 2: Disable | The viewfinder illumination does not turn on regardless of the ambient light |
Press the <MENU> button to exit the setting.