Jensen NVX225 User Manual - Page 49
Route tab - gps updates
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o Update interval is how often track points will be saved. Position information is normally received once a second from the GPS. If you do not need such a detailed log, you can increase this number to save track log space. o Current auto save track size: this figure shows how much memory the automatically saved track logs use. o Enable auto-saving: when auto-saving is enabled, you do not need to turn track log saving on and off manually. The NVX225 Navigator will automatically start recording the track log as soon as GPS position is available. o Limit track DB size: here you can set whether or not to maximize the size of the database where the automatically saved track logs are kept. o Maximum track database size: here you can set the maximum database size if the track database size limit is enabled using the previous switch. o Create NMEA/SIRF log: independently of the normal track log, you can instruct The NVX225 Navigator to record the native GPS data received from the GPS device. The NVX225 Navigator is capable of working with GPS devices using either the NMEA or the Sirf protocol, so the saved data will be in one of these formats. These logs are saved as separate text files on the SD card, and they cannot be shown or replayed in The NVX225 Navigator. They are for post-processing needs, should you have any. Be careful when saving native GPS data, as it can soon eat up available memory. 4.7.3 Route tab This menu contains options to manage different settings in the program. 49