Understand your phone 15Navigation keyUse the directional keys on the navigation key to browsemenus, sub menus, and lists. Each key also acts as ashortcut to launch applications. The up navigation key isuser-definable. Press when replying to prompts, andjumping to highlighted links on the web.External (Sub) LCDThe external (Sub) LCD is a full-color display that displayscaller information, signal and battery strength, as well asother indicators of status.• To turn on the backlight for the external LCD, just pressand hold either the volume keys or the camera key untilthe light comes on.Your phone’s displayThe top line of the display is reserved for icons that indicatenetwork status, battery power, signal strength, and more. Thefollowing table lists some display icons and their descriptions.Display iconsSignal strength: Always appears when your phone is onand indicates the current signal strength. More lines indicatea stronger signal.Auto Answer: Automatic answer is enabled. With the earmicplugged in, your phone automatically picks up any calls afterthe designated time.No service indicator: Your phone cannot find a signalbecause you’re outside a service area. You cannot make orreceive calls. Wait for a signal or move to an open area tofind a signal. This indicator always appears when you firstturn on your phone and disappears once service is located.