Changing Your Settings 194Horizontal CalibrationCalibrate your phone by using the built-in accelerometer.1. Press ➔ and then tap (Settings) ➔ Display➔ Horizontal calibration.2. Place the phone on a level surface and tap Calibrate. Thephone adjusts the level of the accelerometer. During thecalibration process a green circle appears on-screen andthe center circle adjusts to the center position.Location and SecurityThe Location and Security settings allow you to configure phonelocation and security settings.Using Wireless NetworksBefore you use applications such as Google Maps and find yourlocation or search for places of interest, you must enable the Usewireless networks option or enable the GPS satellites.1. Press ➔ and then tap (Settings) ➔Location and security.2. Tap Use wireless networks to enable location informationusing the wireless network.Enabling the GPS Satellites1. Press ➔ and then tap (Settings) ➔Location and security.2. Tap Use GPS satellites enable the GPS satellite.Enabling the sensor aiding1. Press ➔ and then tap (Settings) ➔Location and security. For more information, refer to“Enabling a Location source” on page 141.2. Tap Use sensor aiding enhances positioning and savepower while using the sensors.
