HP 910c User's Guide download pdf (Page 104)

NOTE: It is recommended that you download all GPS maps to a memory card that is compatible

with your HP iPAQ model or to an iPAQ File Store folder (if your model provides one). This prevents

you from losing your map data due to a possible power loss or a need to perform a clean reset on

the HP iPAQ.

Configure and Manage My GPS Software to Connect to

My HP iPAQ's GPS Receiver Automatically

Your GPS enabled HP iPAQ uses Microsoft Windows Mobile 6.1, so the operating system

automatically manages access to the HP iPAQ GPS receiver to allow multiple programs to

simultaneously access GPS data.

All GPS software applications need to know which communications port to use to access GPS data.

Your HP iPAQ already has the GPS port specified by default for the GPS software applications that

come with the device. However, sometimes if you install additional GPS applications onto your

HP iPAQ GPS enabled device, you may need to manually specify the GPS port in your GPS

application's configuration settings. For manual settings, please refer to the documentation that came

with your additional GPS software application.

Identify the COM Port for My GPS Receiver

The GPS receiver on your GPS enabled HP iPAQ is set to default configurations. To verify, tap

Start > Settings > System> External GPS.

Improve a Slow GPS Connection

To improve GPS connection performance on HP iPAQ GPS enabled device, you need to download

the latest HP iPAQ GPS QK Position data file.

Even though GPS on your HP iPAQ is able to connect to the GPS satellites without enabling the

HP iPAQ GPS QK Position utility, it may take a few minutes longer and even up to five minutes to

locate the satellites if you do not use this utility.

Since the GPS satellite data update files are small, you should be able to download them with a little

or no impact to device performance. However, you need to buy a wireless data plan (GPRS, EDGE,

UMTS, HSDPA, or Wi-Fi) from your service provider before you can use this feature and GPRS

connection charges may apply. Check with your service provider to see if additional charges apply.

Troubleshoot Frequent GPS Signal Loss

To improve the satellite signal to the GPS enabled HP iPAQ, go outdoors and start the GPS

navigation software. Place the HP iPAQ where there is a clear view of the sky or on the dashboard

of a vehicle that does not have thermal glass windshields or windows. A direct line of sight is required

between the HP iPAQ and the GPS satellites to access information from the satellites.

NOTE: Interference might take place close to tall buildings, large trees, and under very cloudy or

overcast skies, all of which can block the satellite signal from reaching the HP iPAQ. Try to avoid

these obstructions before using GPS.

92 Chapter 16 Configure Global Positioning System (GPS) on Your HP iPAQ

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HP 910c User's Guide Page 104