IOGear GUD300 - Manual (Page 5)

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External Monitor Settings: Windows
Option 1: Extend Mode
1. Click the DisplayLink icon in the bottom right corner to
open the DisplayLink Manager Menu.
2. Roll the mouse cursor over IOGEAR USB 3.0 Dock to
bring up the Manager Menu.
3. Select Extend.
4. The monitor is now extended in the direction it was the last time the
display was in this mode. For more control, select Extend To and
choose one of the options. This puts the device into Extend Mode, and
places it to the Left/Right/Above/Below the main monitor
Option 2: Mirror Mode
1. Click the DisplayLink icon in the bottom right
corner to open the DisplayLink Manager Menu.
2. Roll the mouse cursor over IOGEAR USB 3.0
Dock to bring up the Manager Menu.
3. Select Mirror.
4. The resolution, color depth, and refresh rate of
the primary screen are copied on to the monitor
connected to the docking station.