Quickstart Guide Trace Oxygen Analyzer
Teledyne Analytical Instruments 14
• 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
• Using the ◄► arrow keys to move the blinking over to AL–1. Then press Enter.
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); value can be set from 0.00
to 10,000.00 ppm
• 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 change any of the alarm parameters, use the ◄► arrow keys to move the blinking
over to the specific parameter.
• Use the ▲▼ arrow keys to change the value of the parameter. Holding down the key
speeds up the incrementing or decrementing.
• Once the parameters for alarm 1 have been set, press Alarms again, and repeat this
procedure for alarm 2 (AL–2).
• To reset a latched alarm, go to Dft– and then press either ▲ two times or ▼ two
times. (Toggle it to Y and then back to N.)
—or—
Go to Ltch– and then press either ▲ two times or ▼ two times. (Toggle it to N and
back to Y.)
Set The Range Function To set the 3 programmable ranges:
• Enter the range function mode by pressing the Range button on the front panel.
L—1 M—10
H—100 Mode—AUTO