IntroductionPage 7Programming keys("2" on Figure 2.) Confirms an action, such as selection of an option oracknowledgement of an alarm. Exits an option or cancels a change.Displays the user menu or provides further information.Navigation keys("3" on Figure 2.)The navigation keys have the following functions: In menus: scrolls up.In text entry: moves the cursor left In menus: scrolls down.In text entry: moves the cursor right. In menus: changes the value or displays further information.In text entry: moves the cursor to the right. In menus: changes the value.In text entry: deletes characters when editing names.The navigation keys also glow red to draw your attention to special events.Setting and unsetting keys("4" on Figure 2.)An installer can use the Installer menu to edit the details of the keypad andspecify the action of the A, B, C and D keys. In a part-setting system, eachkey can either full set the system, set part set B, C or D, or operate anoutput. In a partitioned system, each key can either full set a partition, partset a partition, or operate an output.For a KEY-K01, KEY-KP01, KEY-KPZ01 or KEY-RKPZ, A, B, C and Dglow to show the set status. In a part-setting system, A glows if the systemis full set, B glows if part set B is set, C glows if part set C is set, and Dglows if part set D is set. In a partitioned system, A, B and C glow to showthe set status of the partition controlled by the corresponding key. Forexample, if key A is used to part set partition 2, the key glows whenpartition 2 is part set.