At present, almost all projector manufacturers have adopted digital keystone correction technology, and most projectors using digital keystone correction support the vertical keystone correction function, that is, the projector can adjust its height in the vertical direction, and the resulting trapezoid , through the vertical keystone correction of the projector, the screen can be made into a rectangle, which is convenient for users to use. Acer HE-4K15 projector is no exception. Let’s take a look on the using guide of Acer HE-4K15 Projector keystone correction.
Auto V. Keystone:
Automatically adjusts vertical image distortion caused by tilting projection (±40 degrees).
V. Keystone:
Manually adjusts image distortion caused by tilting projection (±30 degrees).
H. Keystone:
Manually adjusts image distortion caused by tilting projection (±30 degrees).
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