OPERATION 3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS 2.0 Service Functions and Menu Control Menu Control operated with Key Switch (C) and Key Group (D), illust. Z 22466 The menu controls are structured hierarchically. The highest-level menu is designated ”LEVEL 0” and is accessed by depressing the ”RET” key (9). All lower-level menus have consecutively higher numbers up to ”LEVEL 5”, see Menu Control Charts I - V on the following pages and are accessed by depressing the ”QUI” key (10). In menu levels (1 and 2), the menu options (main groups) can be selected horizontally, without having to return to the higher menu level.
In menu levels (3 and 4), the menu options (sub groups) are horizontally only accessible within their main groups. When entering a menu level, always the L.H. main- or sub group will be displayed first. By pressing key (12), all other main groups in the selected level in the R.H. direction can be called up. For returning to the starting group (main or sub group) press key (11). The Menu Control Charts on the following pages show the struc- ture and contents of each system level. The interconnection of the main groups through all system levels is also shown. Menu Control with Key Switch (C) and Key Group (D) Legend for illust.
Z 22466 (C) Key operated switch for enabling setting of opera- tional Data in main group SERVICE and for access to the INPUT-OUTPUT levels. (D) Key group with 4 keys for menu control of Service Functions and INPUTS-OUTPUTS. (9) Return Key - function: Return to previous level of INPUTS-OUTPUTS or Service function. (10) QUI Key - functions: Used for access to the lower level. Acknowledgement of carried out Maintenance Calling up of current Truck counter reading and lubri- cation system cycle counter readings Acknowledgement of inputs and setting of new oil viscosity (11) ”0” Key - functions: Selection of horizontal menu items within the respective service or INPUT-OUTPUT level in the L.H.
direction Selection of the oil viscosity for hydraulic system or PTO gear Change of condition of outputs (0-1). (12) ”1” Key - function: Same function as key (11), but in the R.H. selection direc- tion. 117