Date Code 20080110 Front-Panel Operation 8-7
SEL-387E Instruction Manual
Note: After setting the date, allow at least 60 seconds before powering down the relay or the
new setting may be lost.
LCD
The rotating default display can be locked on a single screen. Access the scroll lock control with
the OTHER pushbutton.
DATE TIME TAR
BKR RESET51 LCD
Select LCD for Scroll Lock Control mode. The rotating display will then appear, and the scroll
mode reminder screen will appear every eight seconds for one second as a reminder that the
display is in Scroll Lock Control mode.
Scroll lock OFF
SELECT to Lock
Stop Scrolling (Lock)
When in the Scroll Lock Control mode, press the SELECT key to stop display rotation.
Scrolling can be stopped on any of the display point screens. While rotation is stopped, the
active display is updated continuously so that the display point changes can be seen. If no button
is pressed for eight seconds, the reminder message will appear for one second, followed by the
active screen.
Scroll lock ON
SELECT to Unlock
Restart Scrolling (Unlock)
The SELECT key unlocks the modified rotating display.
RESET51
This command equates exactly to the RES serial port command. RESET51 clears all time
accumulators of all the inverse-time overcurrent elements, both for separate windings and for the
combined overcurrent elements. RESET51 may be useful for saving time in testing the relay
overcurrent elements, but is not likely to be used while the relay actually is in service.
If RESET51 is selected, a password screen will appear if password protection is in force. Next, a
Reset 51? Yes No screen appears. Use the right/left arrows to underscore Yes or No, then push
<SELECT>. Yes will reset the accumulators and exit the command. No will abort the
command and return to the OTHER main menu; or, simply push <CANCEL> to return to the
OTHER main menu. Push <EXIT> to return to the default display.
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