SL no Label Function
- USB Port USB Communication Port.
(access to the USB communication port underneath the cover)
- Battery Capacity 4.5Volt (1.5 x 3) AA non-rechargeable battery.
(access to the Battery underneath the cover)
2.1 User Interface
2.1.1 LCD Display
A backlit LCD display of 16 x 2 characters is provided for parameter and setting display, and for easy
viewing of measurement, setting, fault records, date & time and error messages. The backlit display
will switch off automatically after 60 seconds if no key is pressed. The backlit display can be switched
ON by pressing the appropriate key on the front panel. The backlit display will turn ON automatically if
any tripping occurs.
2.1.2 Touch Keys
The function of the relay is controlled by the following keys on the front panel.
(+) is used to increase the setting value in the display. The (
) is used to scroll through the
menu.
Used to turn the backlit LCD ON
(
): left arrow key () is pressed then, you are able to enter the setting mode for modifying
settings.
SET key is used to save setting changes.
(-) is used to decrease the setting value in the display.
(
) is used to scroll through the menu.
BAT ON key used for switching ON the relay on Battery and to view /edit settings and view
records.
RESET key is used to reset the Flag and the annunciation / Tele signalling element.
EDIT key is used to edit the setting
TRIP TEST key is used for performing online testing.
BYPASS used for bypassing the Trip command
PROT. RESET key is used for Hardware reset. This key is interlocked with RESET/EDIT key.
This key is not required to be pressed in normal operation, but is used to reset the hardware of
relay during a relay firmware update.
Note: If changes are not made within 100 s while editing the settings then the display will reset itself and
return to the Main Menu.
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