Datavideo HS-4000 Instruction Manual page 39

Tap the Setting button to change the button icons or swap the settings between the
selected user memory slots.
Icon: Tap to select an icon for the selected user memory slot.
Swap: Follow the steps outlined below to swap the contents of two user memory slots.
1. First tap a user memory slot.
2. Tap the Swap button.
3. Tap another user memory slot.
4. Lastly confirm the swap.
Load: Tap to load the settings in the selected user memory slot.
Save: Tap to save the current device settings in the selected user memory slot.
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