Epson 1710c - Manual (Page 19)

Displaying and Adjusting the Image 19
■ If the function key doesn’t permit you to display simultaneously
on both screens, you should check your monitor settings to make
sure both the LCD screen and the external monitor port are
enabled.
From the Control Panel, open the Display utility. In the Display
Properties dialog box, click the Settings tab, then click
Advanced . The method for adjusting the settings varies by
brand; you may need to click a Monitor tab, then make sure the
external Monitor port is set as your primary display and/or
enabled. See your computer’s documentation or online help for
details.
If you’re using Mac OS X:
You may need to set up your system to display on the projector screen
as well as the LCD screen. Follow these steps:
1. From the Apple ® menu, select System Preferences , then select
Displays .
2. Make sure the VGA Display or Color LCD dialog box is selected.
3. Click the Arrangement (or Arrange ) tab.
4. Make sure the Mirror Displays checkbox is selected.
Make sure
Mirror Displays
is checked