Touch screen operation

This system is operated mainly by the buttons on the screen. (Referred to as screen buttons in this manual.)

When a screen button is touched, a beep sounds.


● To prevent damaging the screen, lightly touch the screen buttons with your finger pad.
● Do not operate or rub the screen with a ballpoint pen, a mechanical pencil, finger nail, a pointy and/or hard object because this will damage the screen.
● Do not use objects other than your finger to touch the screen.
●When wiping the touch screen, it is advis- able to wipe with a soft and dry cloth wrapped around the finger. Do not use chemical cleaners to clean the touch screen. Also, be careful not to apply excessive force on the screen.


●If the system does not respond to touching a screen button, move your finger away from the screen and then touch it again.
●Dimmed screen buttons cannot be operated.
●To operate the touch screen, press touch screen buttons properly with finger pad.
●When dew condensation occurs inside the touch screen, it is sometimes difficult to operate the display properly. In such case, please leave the screen untouched and do not operate the touch screen until dew condensation disappears.
●The displayed image may become darker and moving images may be slightly distorted when the screen is cold.
●In extremely cold conditions, the map may not be displayed and the data input by a user may be deleted. Also, the screen buttons may be harder than usual to depress.
●When the screen is viewed through polarized sunglasses, a rainbow pattern may appear on the screen due to optical characteristics of the screen. If this is disturbing, please operate the screen with- out polarized sunglasses.

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