Teledyne 3000TA-XL-EU, Trace Oxygen Analyzer Logout, System Self-Diagnostic Test

Trace Oxygen Analyzer Operation 4

Wait a moment for the entry screen. You will be given clearance to proceed.

A A A A A <ENT> TO Proceed

Use the arrow keys to retype your password and press Enter when finished. Your password will be stored in the microprocessor and the system will immediately switch to the Analyze screen, and you now have access to all instrument functions.

If all alarms are defeated, the Analyze screen appears as:

0.0ppm Anlz Range: 0 — 100

If an alarm is tripped, the second line will change to show which alarm

it is:

0.0ppm Anlz

AL — 1

NOTE: If you log off the system using the logout function in the system menu, you will now be required to re-enter the password to gain access to Span, Zero, Alarm, and Range functions.

4.3.4 Logout

The Logout function provides a convenient means of leaving the analyzer in a password protected mode without having to shut the instrument off. By entering Logout, you effectively log off the instrument leaving the system protected against use until the password is reentered. To log out, press the System button to enter the System function.

TRAK/HLD Auto—Cal

PSWD Logout More

Use the < > arrow keys to position the blinking over the Logout func- tion, and press Enter to Log out. The screen will display the message:

ProtectedUntil

Password Reentered

4.3.5 System Self-Diagnostic Test

The Model 3000TA-XL has a built-in self-diagnostic testing routine. Pre-programmed signals are sent through the power supply, output board and sensor circuit. The return signal is analyzed, and at the end of the test the

Teledyne Analytical Instruments 4-9