EverFocus EN-7519C Instruction Manual page 27

1) Press the up(▲) or down(▼) button to select the Swap.
2) Press the right(▶) or SOURCE/SELECT button to swap the main image for the sub one.
INSTRUCTION MANUAL ............................................................................... 19
5. Sound Select
1) Press the up(▲) or down(▼) button to select the Sound Select.
2) Press the right(▶) or SOURCE/SELECT button.
3) Press the up(▲) or down(▼) button to select the Sound Select option.
4) Press the MENU button to save.