Ultra Trace Oxygen Analyzer Operation 4
4-9
Teledyne Analytical Instruments
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:
0.0 ppm Anlz
Range: 0 — 100
If an alarm is tripped, the second line will change to show which alarm
it is:
0.0 ppm 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
function, and press
Enter
to Log out. The screen will display the message:
Protected Until
Password Reentered
4.3.5 System Self-Diagnostic Test
The Model 3000 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