4.7 How to navigate4.7.1 ReadTo read values and access information about the objects being monitored the operatormust navigate the menu tree using the arrow keys. The active submenu or value ishighlighted.Navigation is as follows:• Press the right arrow key to move to the main menu.• Press the down arrow key to move from the Single line diagram to the desiredsubmenu.• Use the right arrow key to move downwards in the HMI tree until the desiredparameter is displayed.• Press C and the down arrow key simultaneously to see the next page in theparameter screen.• Press C and the up arrow key simultaneously to return to the previous parameterscreen.• Use the left arrow key to navigate back up the menu tree.4.7.2 ChangeTo change a parameter setting the following steps should be followed:1. Navigate to the desired parameter or quantity using the arrow keys.2. Press the E key when the parameter to be changed is highlighted.3. Move between digits or letters using the left and right arrow keys.4. Use the up and down arrow keys to change the digit or letter concerned.5. Press the E key once the desired changes have been made.6. Press the left arrow key to move up a level in the HMI tree.7. You will be prompted to confirm the changes, use the left and right arrow keys totoggle between yes and no in the pop up window and press the E key to confirmyour choice.8. Press the left arrow key to move up to the next level in the HMI tree.4.7.3 ControlThe HMI offers the operator the opportunity to exercise direct local control overbreakers and other apparatuses in the bay using the graphic display and designatedkeys on the front panel of the IED.Section 4 1MRK506276-UUS BUnderstand the local human-machine interface24Operator's manual