Icy Box IB-DK4043-2C Handbuch Seite 11

Manual IB-DK4043-2C
To set up scaled resolutions of the monitor displays, click the Display tab and
then, in the opened window of the respective display, set your desired views
separately. Select the Scaled option and then select the appropriate size in
the field below.
Advanced display settings
Hold down the option key, click again on Scaled and an advanced menu
for resolution settings and repeat frequency settings opens.
Please select your preferred settings here.
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Repeat for each attached monitor if necessary.