Pressing ENTER causes the word HIGH or LOW to start flashing. Then pressing UP or DOWN toggles between the 2 words. When HIGH, the alarm will trip if O2 concentration is above the setpoint as discussed below.
4.6.3Alarm Failsafe
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->AL-1 FAILSAFE
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Pressing ENTER causes the word FAILSAFE or NON-FAILSAFEto start flashing. Then pressing UP or DOWN toggles between the 2 words. When FAILSAFE, the alarm relay will be energized in a non- tripped state, and de-energized when tripped.
4.6.4Alarm Latching
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->AL-1 LATCHING
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Pressing ENTER causes the word LATCHING or NON-LATCHINGto start flashing. Then pressing UP or DOWN toggles between the 2 words. When LATCHING, an alarm will remain tripped until defeated; even if the O2 concentration returns to a level that does not trip the alarm. When NON-LATCHING, a tripped alarm will become un-tripped if the O2 concentration returns to a non-tripping level.
4.6.5Alarm Setpoint
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->AL-1 80.00 ppm
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Pressing ENTER causes the setpoint concentration to start flashing. Then pressing UP or DOWN adjusts the setpoint up or down respectively. Setpoints may range from 0.00 ppm to 100.00 %.
Teledyne Analytical Instruments | 42 |
