Appendix
-59
3.7 Master Erase Function and Emergency Override Passwords
This section covers the emergency override passwords and the procedure for performing a
master erase of all configuration data on the flowmeter. Since these two procedures allow
critical data to be accessed and changed, this page may be removed from the instruction
manual to prevent unauthorized use of these features.
3.7.1 EMERGENCY OVERRIDE PASSWORDS
In the event that a user-entered password is forgotten, the following emergency override
passwords may be used:
!
42 (system password)
!
43 (scale factor password)
The emergency override passwords cannot be changed or disabled.
3.7.2 MASTER ERASE FUNCTION
All user-entered data in the flowmeter can be erased with the master erase function.
To perform a master erase:
1. Turn the flowmeter off and back on again.
2. When the message INITIALIZING...is displayed, press
ERASE
immediately (within 3
to 5 seconds).
The Master Erase screen is displayed:
3. Press the
5
key to continue with the master erase
procedure (must be pressed within 3 to 5 seconds or the procedure is aborted).
The following is displayed:
4. Press the
#
(period) key to continue with the master
erase procedure (must be pressed within 3 to 5 seconds or the procedure is aborted).
If the master erase function is completed, the following is
displayed and the flowmeter initializes:
If the master erase function is aborted, the following is
displayed and the flowmeter initializes:
Master Erase.
Are you sure?(5=yes)
Master Erase.Are you
really sure? (.=yes)
Master Erase
Completed
Master Erase
Aborted
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