Model 3110 - Teledyne Analytical Instruments

Portable Trace Oxygen AnalyzerOperationalarm. A HI alarm activates when the oxygen concentration rises abovethe setpoint. The LO alarm activates when the oxygen concentrationfalls below the setpoint.To set the alarm as either a HI or LO alarm:1. Use the UP/DOWN keys to navigate to the HI-LO ALARMscreen. Then press ENTER to enter the setup screen.2. Use the UP/DOWN keys to toggle between HI and LOoption. Then press ENTER to accept the displayed status.3. Press ENTER again to save the alarm status and return to theHI-LO ALARM screen.3.2.9 LTCH ALARM ScreenThe alarm on the Model 3110 can be set up as latching or nonlatching.A latching alarm, once triggered, will remain in alarm statusuntil recognized and reset. Even if the concentration changes back to anon-alarm concentration, a latched alarm will remain in alarm status. Anon-latching alarm will cease to alarm when the concentration falls orrises to a non-alarm value.To set the alarm to either latching or non-latching:1. Use the UP/DOWN keys to navigate to the LTCH ALARMscreen. Then press ENTER to enter the setup screen.2. Use the UP/DOWN keys to toggle between LTCH and NON-LTCH options. Then press ENTER to accept the displayedstatus.3. Press ENTER again to save the alarm status and return to theLTCH ALARM screen.Teledyne Analytical Instruments 31