Mio DIGIWALKER C230 - Manual (Page 17)

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Make sure that the cable is securely plugged into the USB port on your
computer and on the device. Connect the USB cable directly to your
computer—do not run the cable through a USB hub.
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Reset your device before connecting the cable. Always disconnect your
device before you restart your computer.
GPS Problems
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When there are no valid signals available, consider the following:
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Make sure that the GPS antenna has a clear view of the sky.
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Note that the GPS reception can be affected by:
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Bad weather
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Dense overhead obstacles (e.g. trees and tall buildings)
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Other wireless device in the car
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Reflective car window tint
2.3 Maintaining Your Device
Taking good care of your device will ensure trouble-free operation and reduce the
risk of damage to your device.
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Keep your device away from excessive moisture and extreme temperatures.
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Avoid exposing your device to direct sunlight or strong ultraviolet light for
extended periods of time.
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Do not place anything on top of your device or drop objects on your device.
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Do not drop your device or subject it to severe shock.
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Do not subject your device to sudden and severe temperature changes. This
could cause moisture condensation inside the unit, which could damage your
device. In the event of moisture condensation, allow the device to dry out
completely before use.
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Take care not to sit on the device. We advise not to carry the device in one’s
back pocket for that reason.
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