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HP iPAQ Glisten Series - Configuring the GPS Port Settings and Troubleshooting

The Global Positioning System (GPS) is a navigation satellite system developed by the United States Department of Defense. GPS permits land, sea, and airborne users to determine their three-dimensional position, velocity, and time.
Use your HP iPAQ Glisten Series device to connect to GPS satellites and determine your exact location. You can also download maps from the Internet.
Follow these steps to:
  warning:
When using hardware and software navigation aids, in a vehicle or elsewhere, it is your sole responsibility to place, secure, and use these aids in a manner that will not cause accidents, personal injury, property damage, or obstruct your view. You are solely responsible for observing safe driving practices. Do not operate this product while driving. Park the vehicle first.
The iPAQ GPS navigation solution is intended for automotive use only. If you are going to use GPS navigation in your vehicle for an extended period of time, charge your iPAQ using an auto adapter. If you do not have an auto adapter, you can order one at http://www.hp.com. For information on other GPS-centric accessories or other iPAQ mounting solutions, visit http://www.hp.com.

Finding your initial position faster with GPS Data

Your GPS navigation software might take some time to get a fix on your initial position. Use the GPS Data application to reduce this time. GPS Data downloads information from the Internet and stores this information on your iPAQ. Your GPS software can use this information to quickly track your initial position.
To reduce the time to find your initial position, you can also make sure you have a clear view of the sky and you are stationary.
note:
GPS Data downloads new data if the last downloaded data is expired. The expiration time on the data is set to 24 hours.
Enabling the GPS Data application might involve additional data connection charges.
To enable GPS Data:
  1. Press Start, tap Settings > Connections > GPS Data.
  2. Select the Automatic Update check box.
  3. Tap Done.
After the GPS data file has been downloaded, you might see improvements in the GPS performance as the time to find your initial position is reduced.
note:
To disable the GPS Data application, clear the Automatic Update checkbox.

Identifying the COM port for my GPS receiver

Some GPS applications require you to specify the COM port for your GPS Receiver. You can find information on the COM port by pressing Start, tap Settings > System > External GPS, and then noting the GPS Program Port.

Troubleshoot frequent GPS signal loss and interference

The first time that you activate the GPS, the GPS signal will take a little time to find because this feature is being used for the first time. In addition, to improve the satellite signal to your phone, go outdoors and start the GPS navigation software. Place your phone 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 iPAQ and the GPS satellites to access information from the satellites.
note:
Running multiple programs while connecting may also hamper the connectivity. Use Task Manager to end some programs to free memory space. To check running programs tap Start > Tools > Task Manager.
Interference Type
How to Avoid
Vehicles with thermal glass windows and windshields.
Place the iPAQ where there is a clear view of the sky or on the dashboard of a vehicle that does not have thermal glass windows.
Equipment radiating Radio Frequency (RF) energy or emitting strong electromagnetic radiation. For example, microwave ovens, high-power cordless phones, CB radios, Walkie-talkies, HAM equipment, or X-ray and MRI machines.
Move away from interference source or switch off the interference source.
note:
HP does not guarantee that the third-party GPS applications will work adequately on the iPAQ devices. HP also cannot support issues with third-party GPS devices.

Additional Information

Why cannot I get a (traditional) GPS lock?
GPS requires access to clear skies. Overhead obstructions such as roofs, thick cloud cover, or high buildings can prevent the GPS signal from reaching the device. Similarly, the location of the device in a vehicle can have a profound effect on the ability to get a lock.
Placing the device lower in the vehicle or under the vehicle's roof can prevent GPS signals from reaching the device. It is recommended to have the device placed on the dashboard using the car mount accessory while using GPS in a car.
Alternatively, an external GPS antenna can be purchased. This can be placed on the car's roof and then can be attached to the device for better signal acquisition.
What can I do to reduce the time to get a GPS lock?
GPS locks will require more time if the device is mobile as it tries to acquire a lock. It is advised to wait in a stationary position free from overhead obstructions. This helps reducing the time to get a GPS lock.
Additionally, the user can get more up-to-date GPS data using GPS Data Application. Go to Start > Settings > Connections….Tap on GPS Data and check the Automatic Update box to enhance GPS performance.
Why does the GPS on the device not perform as well as my standalone GPS?
Standalone GPS systems use specialized chipsets that facilitate satellite acquisition and allow for more accurate location. The chipsets are intended only for GPS acquisition and thus can be designed to efficiently acquire a GPS lock. Additionally, the GPS antenna in standalone devices is typically more tuned for detecting GPS signals.

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