8.5
Date Code 20170927 Instruction Manual SEL-751 Relay
Front-Panel Operations
Two-Line Display Front Panel
Front-Panel Menus and Screens
Navigating the Menus
The SEL-751 front panel gives you access to most of the information that the
relay measures and stores. You can also use front-panel controls to view or
modify relay settings.
All of the front-panel functions are accessible through use of the six-button
keypad and LCD display. Use the keypad (shown in Figure 8.5) to maneuver
within the front-panel menu structure, described in detail throughout the
remainder of this section. Table 8.2 describes the function of each front-panel
pushbutton.
Figure 8.5 Front-Panel Pushbuttons
The SEL-751 automatically scrolls information that requires more space than
provided by a 16-character LCD line. Use the Left Arrow and Right Arrow
pushbuttons to suspend automatic scrolling and enable manual scrolling of
this information.
MAIN Menu. Figure 8.6 shows the MAIN menu screen. Using the Up Arrow or
Down Arrow and ENT pushbuttons, you can navigate to specific menu item in the
MAIN menu. Each menu item is explained in detail in the following paragraphs.
Table 8.2 Front-Panel Pushbutton Functions
Pushbutton Function
Up Arrow Move up within a menu or data list.
While editing a setting value, increase the value of the
underlined digit.
Down Arrow Move down within a menu or data list.
While editing a setting value, decrease the value of the
underlined digit.
Left Arrow Move the cursor to the left.
Right Arrow Move the cursor to the right.
ESC Escape from the present menu or display.
Displays additional information if lockout condition exists.
Hold for two seconds to display contrast adjustment screen.
ENT Move from the rotating display to the
MAIN menu.
Select the menu item at the cursor.
Select the displayed setting to edit that setting.
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