The SDM-S75F is an update of the above-described SDM-S75A. Both models are available today, the S75F being somewhat more expensive.
As for external differences, the monitor’s base has changed: it has become heavier, but allows to adjust the height of the screen which is a useful option indeed.
Another important change is that a digital input has been implemented. Besides it, there are two audio inputs, each of which corresponds to a particular video input. When you switch over from one video input to another, the appropriate audio input is turned on automatically.
There are no other differences externally. The monitor is controlled exactly like the S75A. Let’s see if the update’s parameters differ from the original’s.
To achieve our reference white brightness of 100cd/sq.m on analog connection I chose 25% matrix brightness, 85% contrast and 0% backlight brightness. On digital connection (that’s how the monitor was tested) the backlight brightness remained at zero and the matrix brightness and the contrast settings are reduced by 5% each.
The monitor offers you an ECO button to switch between four brightness/contrast presets: User (100% backlight, 100% contrast, 50% matrix brightness), High (100%, 90%, 50%, respectively), Middle (100%, 90%, 50%), and Low (15%, 70%, 50%). These are the default numbers – you can change any setting in any preset and the monitor will remember them, so the name of the first mode (“User”) is a kind of historical one.