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1MRS 752179-MUM
Earth-Fault Relay
Operator’s Manual
REJ 521
3.1.5. Main menu
The main menu contains five main groups:
• MEASUREMENTS
• RECORDED DATA
• SETTINGS
• CONFIGURATION
•INFO
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• To navigate between the main menu groups, use the [
↑] and [↓] buttons.
• To return the display to the idle mode, press the [C] button.
The display will be returned to the idle mode on expiration of the timeout.
3.1.6. Submenu
The menu structure contains several subgroups. The name of the main menu group
is always shown on the first line. On the second line either the name of the group
menu, the name of the parameter and the parameter value, or just the parameter
value, in which case it is also the name of the parameter, is shown.
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• To enter a submenu, press the [
→] button; to exit, press the [←] button.
• Press the [C] button to return the display to the idle mode.
• To navigate between the main levels in the submenus, use the [
↑] or [↓] button.
3.1.7. How to switch between the front and the rear connector
The relay is provided with two serial connectors: rear connector RS-485 and the
front optical PC-connector, of which the former is the default connector. To switch
between the front and the rear connector, use the Front/Rear selector of the HMI:
Meas
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MEASUREMENTS
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MEASUREMENTS
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Subm_521
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