17
Touch and Hold
Touch and hold the target on the screen with
one fingertip for a while to display a context
menu or options page for an item.
Avoid
• Avoid scratching with sharp object on
the screen. Only use your fingertips to
perform touch operation.
• Do not expose the screen to intensive
light, spotlight, or wide-spread light.
• Do not install the product to a location
where is close to the windows or glass-
doors as the direct sunlight may affect the
touch-control performance.
• To avoid screen interference with each
other, do not place 2 touch screens side
by side as shown below.
Fig. Touch screens interference