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Teledyne 3020M - Explosion proof paramagnetic oxygen analyzer User Manual

Page 42

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4 Operation

Model 3020M

4-6

Teledyne Analytical Instruments

analyze sample gas and report on alarm conditions without entering the
password.

Only one password can be defined.

After a password is assigned, the operator must log out to
activate it. Until then, anyone can continue to operate the
instrument without entering the new password.

To defeat the security after a unique password is activated, the
password must be changed back to

TETAI

.

NOTE: If you use password security, it is advisable to keep a copy of

the password in a separate, safe location.

4.4.1 Entering the Password

To install a new password or change a previously installed password,

you must key in and enter the old password first. If the default password is in
effect, issuing the ENTER command will enter the default

TETAI

password

for you.

Scroll to

PWD

, and ENTER to select the password function. Either the

TETAI

default password or

AAAAA

place-holder password for an existing

password will appear on screen depending on whether or not a password has
been previously installed.

T E T A I
Enter PWD

or

A A A A A
Enter PWD

The screen prompts you to enter the current password. If you are not

using password protection, ENTER to accept

TETAI

as the default password.

If a password has been previously installed, enter the password using EN-
TER to scroll through the letters, and the DOWN/UP keys to change the
letters to the proper password. The last ENTER enters the password.

If the password is accepted, the screen will indicate that the password

restrictions have been removed and you have clearance to proceed.

PWD Restrictions
Removed

In a few seconds, if you do not ESCAPE, you will be given the oppor-

tunity to change this password or keep it and go on.