Teledyne 3000ZA2G - Zirconium oxide analyzer User Manual

Page 59

Trace Oxygen Analyzer

Operation

Teledyne

Analytical

Instruments

so that maintenance can be performed under conditions
which would normally activate the alarms.
The defeat function can also be used to reset a latched alarm.
(See procedures, below.)

If you are using password protection, you will need to enter your

password to access the alarm functions. Follow the instructions in
section 4.3.3 to enter your password. Once you have clearance to
proceed, enter the Alarm function.

Press the Alarm button on the front panel to enter the Alarm

function. Make sure that AL–1 is blinking.

AL—1 AL—2

Choose Alarm

Set up alarm 1 by moving the blinking over to AL–1 using the

◄►arrow keys. Then press Enter to move to the next screen.

AL—1 1000

ppm HI

Dft—N Fs—N Ltch—N

Five parameters can be changed on this screen:

Value of the alarm setpoint, AL–1 #### ppm (oxygen)
Out-of-range direction, HI or LO
Defeated? Dft–Y/N (Yes/No)
Failsafe? Fs–Y/N (Yes/No)
Latching? Ltch–Y/N (Yes/No).

To define the setpoint, use the ◄►arrow keys to move the

blinking over to AL–1 ####. Then use the ▲/▼ arrow keys to change the
number. Holding down the key speeds up the incrementing or
decrementing. (Remember, the setpoint units are ppm O

To set the other parameters use the ◄►arrow keys to move the

blinking over to the desired parameter. Then use the ▲/▼ arrow keys to
change the parameter.