Liquid Controls SP3000 User Manual

Page 45

8.8

LOCK/UNLOCK

Lock is used in the “Running” mode to prevent unwanted changes in the programming. Lock prevents
crossover to the “Setup” mode and the totalizer can not be reset to zero. All other functions in “Running”
mode remain operable.

NOTE: Any 5 digit security code (except 00000) may be used to lock the unit. The same 5 digit code must be entered to unlock the
unit. Place the 5 digit security code used to lock the unit in a safe location for future reference.

Advance or Backup the menu until the display indicates:

To Lock:

Running...
Lock/Unlock?

Press

Machine is unlocked
Enter code:

Enter a 5 digit code number (NOTE: Code may
NOT be 00000). As each digit is pressed an “*”
will appear on the display to verify that the digit
has been entered.

Machine is unlocked
Enter code: *****

As soon as the fifth digit is entered, 5 “*”s will be
displayed momentarily. The unit will then
advance to “Now confirm:”

Machine is unlocked
Now confirm:

Enter the 5 digit code again

Machine is unlocked
Now confirm: *****

As soon as the fifth digit is entered, 5 “8”s will be
displayed momentarily. The unit will lock and
then advance to the next menu item.

Running...
Show Data?

After the unit is locked, any attempt to “Go to Standby?” (crossover to the “Setup” menu) or to
“Clear Totalizer” will result in the following display:

****Locked!!****
Push to continue

All other functions of the “Running” mode remain accessible.

Advance or Backup the menu until the display indicates:

To Unlock:

Running...
Lock/Unlock?

Press

Machine is locked
Enter code:

Enter the 5 digit code number. No confirming
step is required to unlock the unit.

Machine is locked
Enter code: *****

The unit will unlock and then advance to the next
menu item as soon as the correct code is
entered.

Running...
Show Data?

Note:
Bad lock code
Push to continue

This error message may display after the entry of the 5 digit code
in the lock/unlock procedure. Pressing enter will exit the
Lock/Unlock menu option and advance to the next menu item.

ENT