Canon EOS 70DN Basic Instruction Manual page 538

3 Custom Function SettingsN
C.Fn II -11
You can set whether or not to display the AF point(s) in the following cases: 1.
When selecting the AF point(s), 2. When the camera is ready to shoot (before AF
operation), 3. During AF operation, and 4. When focus is achieved.
0: Selected (constant)
The selected AF point(s) is always displayed.
1: All (constant)
All 19 AF points are always displayed.
2: Selected (pre-AF, focused)
The selected AF point(s) is displayed for 1, 2, and 4.
3: Selected (focused)
The selected AF point(s) is displayed for 1 and 4.
4: Disable display
For 2, 3, and 4, he selected AF point(s) will not be displayed.
If [2: Selected (pre-AF, focused)] or [3: Selected (focused)] is set, the AF
point will not be displayed even when focus is achieved with AI Servo AF.
C.Fn II -12
The AF points and grid in the viewfinder can be illuminated in red when focus is
achieved.
0: Auto
The AF points and grid are automatically illuminated in red under low light.
1: Enable
The AF points and grid are illuminated in red regardless of the ambient light
level.
2: Disable
The AF points and grid are not illuminated in red.
When AI Servo AF is set, there is no illumination in red even when focus
is achieved.
The setting here is not applied to the electronic level display (before
shooting) (p.67) in the viewfinder.
When you press the <S> or <B> button, the AF points and grid will be
illuminated in red regardless of this setting.
374
AF point display during focus
VF display illumination