Toshiba GRL150-100 Series Instruction Manual page 94

Line differential relay
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To complete the setting
Enter after making entries on each setting screen by pressing the ENTER key, the new settings
are not yet used for operation, though stored in the memory. To validate the new settings, take the
following steps.
• Press the END key to return to the upper screen. Repeat this until the confirmation screen
shown below is displayed. The confirmation screen is displayed just before returning to the
"Set.(change)" sub-menu.
C h a n g e
E N T E R = Y
• When the screen is displayed, press the ENTER key to start operation using the new settings,
or press the CANCEL key to correct or cancel entries. In the latter case, the screen turns back
to the setting screen to enable re-entries. Press the CANCEL key to cancel entries made so far
and to turn to the "Set.(change)" sub-menu.
4.2.6.2
Password
For the sake of security of setting changes, password protection can be set as follows:
• Select "Set.(change)" on the main "MENU" screen to display the "Setting change" screen.
• Select "Password" to display the "Password" screen.
• Enter a 4-digit number within the brackets after "Input" and press the ENTER key.
I n p u t
1 2 3 4 5 6 7 8 9 0 ←
• For confirmation, enter the same 4-digit number in the brackets after "Retype".
R e t y p e
1 2 3 4 5 6 7 8 9 0 ←
• Press the END key to display the confirmation screen. If the retyped number is different from
that first entered, the following message is displayed on the bottom of the "Password" screen
before returning to the upper screen.
"Unmatch passwd!"
Re-entry is then requested.
Password trap
After the password has been set, the password must be entered in order to enter the setting change
screens.
If "Set.(change)" is entered on the top "MENU" screen, the password trap screen "Password" is
displayed. If the password is not entered correctly, it is not possible to move to the "Set.(change)"
sub-menu screens.
P a s s w o r d
1 2 3 4 5 6 7 8 9 0 ←
Canceling or changing the password
To cancel the password protection, enter "0000" in the two brackets on the "Password" screen. The
s e t t i n g s ?
C A N C E L = N
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