1 2 3 4 Display Function when pressed Open redial list � page 8. menu tree � page 17). Go back one menu level. Scroll up/down or adjust volume with q. Move cursor to left/right with r. Backspace deletes one character at a time from right to left. Confirm menu function or save entry. INT 1 11. 11:56 � Menu б V � " U T ~ OK Menu Open main/submenu (see 5 6 7 8 Other icons in the top display line: 9 10 11 12 13 � Keypad locked � Eco Mode+ activated (� page 2) � Ringer melody off Please note To change the display language, proceed as described on page 12. The base at a glance Base A400A 2 7 6 5 4 1 3 Base A400 1 1 Registration/paging key: Search for handsets (press briefly, paging � page 11). Register handsets (press and hold � page 11). 2 On/Off key: switch answering machine on and off. Lights up: answering machine is activated. Flashes: message is being recorded. 3 Volume keys: (� = quieter; + = louder) During message playback: adjust the speaker volume. While phone is ringing: adjust ringer melody volume...