EverFocus EN-7515C Instruction Manual page 16

5. PC (Only PC mode)
Press the up(▲) / down(▼) button to select the PC
Press the ▶ or ENTER button
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INSTRUCTION MANUAL
Press the up(▲) / down(▼) button to select PC sub menu
Press the right(▶) or ENTER button and then left (◀) /right(▶) button to adjust PC setting.
Press the MENU button to save.
Auto Adjust: Auto geometry adjustment
Phase: Adjust the number of horizontal picture elements.
H. position: Move image horizontally on screen right or left.
V. position: Move image vertically on screen up or down.
Frequency: Adjust the vertical noise of screen image.