Programming Site Data 1-63
March 2008
Activating Security In order to prevent unauthorized tampering with the flowmeter’s
programming, the Model DF868 is equipped with a security feature
that either locks all the keys except
[PROG] (which, when pressed,
requires the password)
or locks out the following menus:
• Program Menu [PROG]
• Calibration Menu [CAL]
• Log Menu [LOG]
• Clear Menu [CLR]
When the system is locked, access to the above menus will be denied
unless the correct password is entered. The Model DF868 is shipped
with a default password, which is given at the end of this chapter. 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
to the
SECUR submenu is restricted.
While following the programming instructions, refer to the menu map
in Figure A-5 on page A-5.
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. To enter the
GLOBAL menu, press [F3]=GLOBL.
2. To enter the SECUR submenu, press [→] and [F3].
3. At the Lock Out prompt, press
[F1] = UNlck to unlock the system
and return to the initial User Program screen, or press
[F2] = LOCK
to lock the system.
Note: If the system was unlocked at the above prompt, the following
steps do not appear.
4. Enter the current Password (2719 is the default password) and
press
[ENT].
5. At the Edit Password prompt, press
[F1] = NO to leave the
password unchanged and proceed to step 8 on the next page, or
press
[F2] = YES to enter a new password.
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