Nokia 002Q944 5230 User Guide - Page 16
Free memory, Settings, Connectivity, Network, Network mode, Phone, Display, Brightness, Light time-out
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If the network mode is set to dual mode in the network settings, the device searches for the UMTS network. To set the device to use only the GSM network, select Menu > Settings and Connectivity > Network > Network mode > GSM. ● The backlight of the display increases the demand on battery power. In the display settings, you can adjust the display brightness and change the time-out period after which the backlight is switched off. Select Menu > Settings and Phone > Display > Brightness or Light time-out. ● Leaving applications running in the background increases the demand on battery power. To close the applications you do not use, press and hold the menu key, select Options > Show open apps., and navigate to the application with the menu key. Press and hold the menu key, and select Exit. Free memory To view how much space is available for different data types, select Menu > Applications > Office > File mgr.. Many features of the device use memory to store data. The device notifies you if the memory in different memory locations is low. To free memory, transfer data to a compatible memory card (if available) or to a compatible computer. To remove data you no longer need, use File manager or open the respective application. You can remove the following: ● Messages in the folders in Messaging and retrieved e-mail messages in the mailbox ● Saved web pages ● Contact information ● Calendar notes ● Applications shown in Application manager that you do not need ● Installation files (.sis or .sisx) of applications you have installed. Transfer the installation files to a compatible computer. ● Images and video clips in Gallery. Back up the files to a compatible computer. 14 © 2009 Nokia. All rights reserved.