OPERATING INSTRUCTIONSMCUK990801C8 Section 3 Issue 1Service Manual – 5 – Revision 03 OPERATING INSTRUCTIONS3.1 GeneralThis section provides a brief guide to the operation and facilities available on the GD90 handportable unit. Refer to theOperating Instructions for full operational information.3.2 LCD DisplayThe GD90 handportable unit has a graphical chip on glass liquid crystal display in conjunction with the following icons:Figure 3.1: LCD displayFollowing some operations the display will automatically clear after three seconds or after pressing any key except E.T Indicates received signal strength: T strong signal area;\ weak signal area.S Indicates that it is possible to make an emergency call.MenuNumberThe number of the feature pointed to by the pointer. To access a feature enter the menu number on the keypad.H Displays the battery charge level: H Battery is at full charge; K Battery requires recharging;G The battery icon flashes during charging. During car mount use, when the battery is fully charged, the battery icon willnot light.Menu Icon Displays a small icon related to the current status of the telephone:Y telephone is roaming on a non-home network;t using the “Call Divert” feature or the telephone has Call Divert set;] shows that the vibrate alert is switched on;[ shows that telephone is in silent mode - no tones:N indicates there are unread Short Text Messages (SMS.). Lit when SMS area is full;O the telephone is locked;U shows that normal character have been entered in Alpha Entry;V shows that Greek character have been entered in Alpha Entry;W shows that extended character have been entered in Alpha Entry;X shows that numbers have been entered in Alpha Entry.p Indicates that the navigation key (g) can be pressed. Each arrow will light individually to indicate which direction is valid.Option Area Pressing the select key (B) will select the option displayed in the option area of the display.Option AreaMenu Number