FAQs38FAQsThis section lists down frequently asked questions that may arise during the use ofyour Acer p600 Series Portable Navigator, and gives easy answers and solutions tothese questions.Aspect Question AnswerAudio Why is there nosound comingfrom the device?• If the earphones are plugged intothe device, the speaker isautomatically shut off. Disconnectthe earphones.• Check that the device’s volumesettings is not muted. In the Systempanel, tap Volume.• Check that the volume control is notat its lowest setting.Touch screen Why is the touchscreen notresponding tomy finger taps?The screen may have lost its calibration.Recalibrate the screen. Go to "MiscellaneousSettings" on page 31 for instructions.MultimediamodeWhy can’t I viewmy picture files?You may be trying to view an image that isnot supported by Photo. Go to "PhotoViewer" on page 13 for a list of supportedimage formats.Why can’t I playmy music files?You may be trying to play a file that is notsupported by the MP3 Player. Go to "MP3Player" on page 10 for a list of supported fileformats.NavigationmodeWhy is it thatsometimes mydevice takeslonger than 5minutes to get aGPS fix?If the previous GPS fix position was more than500 km or 12 hours apart from your currentposition and time, it will take significantlylonger than the standard TTFF time to get aGPS fix. This is due to the nature of the GPSalgorithm and rotational velocity betweenthe satellites and planet Earth, and deemednormal and is not the fault of your Acer p600Series Portable Navigator device.