To save battery power, note the following:
• Features that use Bluetooth technology, or allowing such features to run in the background while using other features, increase the demand < on battery power. To prolong the operating time of your device, turn the Bluetooth technology off when you do not need it.
• Features that use wireless LAN (WLAN), or allowing such features to run in the background while using other features, increase the demand < on battery power. WLAN on your Nokia device switches off when you are not trying to connect, not connected to another access point, or not C scanning for available networks. To further .2
reduce battery consumption, you can specify that ns your device does not scan, or scans less often, for £ available networks in the background. WLAN q switches off in between background scans. See ^ "Wireless LAN." p. 34. When Scan for networks is set to Never, the WLAN availability 3 icon is not shown in the standby mode. However, ^ you can still manually scan for available WLAN ^ networks and connect to WLAN networks as usual.
When available in connection settings, and there is no packet data coverage (GPRS), the device periodically tries to establish a packet data connection, which causes increased demand on battery power. To prolong the operating time of your device, select Packet data connection > When needed.
The Maps application downloads new map information when you scroll to new areas on the map, which increases the demand on battery power. You can prevent the device from automatically downloading new maps. See "Maps," p. 88.
If the signal strength of the cellular network varies much in your area, your device must scan ^
for the available network repeatedly. This increases the demand on battery power.
If the network mode is set to dual mode in the network settings, the device searches for the UMTS network. If it is not available, the device uses the available GSM network. To only use the GSM network, press i^, and select Tools > Settings > Phone > Network > Network mode > GSM.
The backlight of the display increases the demand on battery power. To change the timeout after which the backlight is switched off, press i^, and select Tools > Settings > General > Personalisation > Display > Light time-out. To adjust the light sensor that observes the lighting conditions and adjusts the brightness of the display, in the display settings, select Light sensor.
Leaving applications running in the background increases the demand on battery power. To close the applications you do not use, press and hold i}, scroll to an application in the list, and press C.
Pressing C does not close Music player. To close Music player, select it from the list and Options > Exit.
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You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.