Activating Security - GE DigitalFlow GC868 Programming Manual

April 2008

Activating Security

1-50
In order to prevent unauthorized tampering with the flowmeter's
programming, the Model GC868 is equipped with a security feature
that locks out the following menus:
• [PROG]
Program Menu
•
[CAL]
Calibration Menu
• [LOG]
Log Menu
•
[CLR]
Clear Menu
When the system is locked, access to the above menus will be denied
unless the correct password is entered. The Model GC868 is shipped
with a default password, which is given later in this section. For
increased security, the default password should be changed.
IMPORTANT:
Once the system has been locked, it can only be
unlocked by entering the password, because access
SECUR
to the
SECUR
To program the submenu, press [→] twice and
User Program screen. Refer to Figure A-3 on page A-3.
IMPORTANT:
It is recommended that all program parameters be
recorded before changing the password. (This
information should be recorded in Appendix B, Data
Records, as a matter of routine.) If the password is
lost, the site data is not retrievable and will have to
be re-entered.
1. At the Lock Out prompt, press
Global PROGRAM
and return to the
lock the system.
Note: If the system was unlocked at the above prompt, the following
three prompts do not appear.
2. Enter the current Password (2719 is the default password) and
[ENT]
press .
3. At the ?Edit Password prompt, press
password unchanged and proceed to Procedure Options on the
[F2] = YES
next page, or press
IMPORTANT:
Since the default password is printed in this manual,
a new password should be entered. If the password is
ever lost, contact the factory for assistance.
submenu is restricted.
[F2]
[F1] = UNlck
to unlock the system
prompt, or press
[F1] = NO
to leave the
to enter a new password.
Programming Site Data
at the initial
[F2] = LOCK
to