OPERATION 3.4 ELECTRONIC MONITORING AND CONTROL SYSTEM ECS Menu Control with Key Switch (C) and Key Group (D). Display of INPUTS-OUTPUTS Example: Display of menu items in the group *ANALOG-INPUTS*, starting from menu level -2-, see Menu Control Chart III. The following menu items shall be displayed: Hydraulic oil temperature Boardnet voltage. Proceed as follows: 1. Starting from display level -2- Inputs-Outputs *ANALOG- INPUTS*; see chart III. 2. Press key (10), the starting menu item ”Coolant temperature M1” in level -3- is displayed. 3. Press key (12) two times, on the display appears the menu item ”Hydraulic oil temperature” with the input designation (EW2.1): e.g.
72°C (present oil temperature). The oil temper- ature sender unit with the designation ”B15 ” is also shown on the display. 4. For display of the boardnet voltage, press key (12) twelve times, on the display appears the item ”Boardnet voltage” with the input designation (EW3.4): e.g. 26V and the sender units R80/R81. 5. For returning to the basic display press ”RET” key (9) three times. Example: Display of menu items in the group *DIGITAL-INPUTS*, starting from menu level -2-, *ANALOG-INPUTS see Menu Con- trol Chart III. The following menu items shall be displayed: Condition of differential pressure switch ”B7.1” of High Pressure Filter # 3.
Condition of differential pressure switch ”B22” of the pump regulation oil filter Proceed as follows: 1. Starting from level-2- *ANALOG-INPUTS* press key (12) once, the display changes to *DIGITAL-INPUTS*: (continued) 127