Canon 1064C001 Operation Manual page 51

[Focus]
Selects the focus.
[Auto]
Automatically adjusts the focus.
[Manual]
You can click and hold the [Near] and [Far] buttons in [Adjust Focus] to adjust the focus in the near and far directions.
When you click [Exec] in [One-shot AF], the camera will focus once using autofocus and then switch to manual mode.
[Fixed at infinity]
You can set the focus so that it is fixed near infinity.
Note
If you click [Apply] to apply changed camera angle settings, the zoom and focus settings are also reflected in [Initial Setting].
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