Checklist - Sony NV-U74 Información Importante

Checklist

The following checklist will help you remedy
problems you may encounter with your unit.
Before going through the checklist below, check
the connection and operating procedures.
General
The unit does not turn on.
t Charge the built-in battery.
t Check that the car battery adapter is securely
inserted into the cigarette lighter socket.
The built-in battery cannot be charged.
t Turn on the unit, then turn off the unit.
t If the car battery adapter is being used, disconnect
it from the cigarette lighter socket, then reconnect.
t Turn on the computer during USB charge.
Note that the CHG indicator may light up in green
in the computer standby mode, even though the
built-in battery is not fully charged.
• The built-in lithium-ion battery can be charged at
temperatures between 5 – 45 ºC (41 – 113 ºF). The
battery may not be charged if the temperature inside
the unit increases because of direct sunlight exposure,
etc. This is not a malfunction.
The LCD is not displayed normally.
In high temperatures, the LCD may darken and not
display clearly. In low temperatures, afterimage may
occur on the LCD. These are not malfunctions, and the
LCD will return to normal when the temperature
returns to within the specified operating range.
The cradle comes off the attachment surface.
Attachment strength weakens if the surface of the
suction cup or attachment surface becomes dirty.
t Clean the surface of the suction cup and the
attachment surface with a soft, wet lint-free cloth
(page 9).
Navigation
GPS signal cannot be received.
Firstly, read the GPS overview (page 7), then check the
GPS status by touching
"General" c "GPS Status."
• The system cannot receive GPS signals due to an
obstruction.
t Move your car to a place where signals can be
received clearly.
• There is an obstacle in front of the GPS antenna.
t Install the unit where the signal is not interrupted
by the body of the car, etc.
• GPS signal reception may be poor depending on the
material of the car's windshield.
t Use the optional External GPS Antenna VCA-42.
The car position on the map does not match
the current road.
The error margin of the signal from the GPS satellites
is too large. A maximum error margin of a few
hundred meters can exist.
Voice guidance cannot be heard.
The volume is set too low.
t Raise the volume.
The demonstration mode starts automatically
even if no operation is performed.
t Turn off the auto demonstration mode by touching
in the main menu c "General" c
"Demonstration Mode." Then, confirm that
"Automatic Demonstration" is set to off.
Photo playback
Photo playback is not possible.
• A "Memory Stick Duo" containing photo files is not
inserted in the unit.
• The unit supports only JPEG files.
• The unit supports only photos with a maximum pixel
number of 12 mega.
in the main menu c
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