Thermo 48i - Service Menu

Operation
Service Menu
Thermo Electron Corporation Model 48i Instruction Manual 3-101
Min Trigger Concentration The Minimum Trigger screen allows the user to view and set the
concentration alarm trigger type to either floor or ceiling. The minimum
alarm may be programmed as a floor trigger (alarm is triggered when the
concentration falls below the minimum value) or a ceiling trigger (alarm is
triggered when the concentration goes above the minimum value).
• In the Main Menu, choose Alarms > Select Concentration >
MinTrigger.
•Press to toggle and set to floor or ceiling.
• Press to return to the Concentration menu or to return
to the Run screen.
Service Menu The Service menu appears only when the instrument is in the service mode.
To put the instrument into the service mode:
• In the Main Menu, choose Instrument Controls > Service Mode.
Advanced diagnostic functions are included in the service mode.
Meaningful data should not be collected when the instrument is in the
service mode.
• In the Main Menu, choose Service.
• Use and to move the cursor up and down.
• Press to select a choice.
• Press to return to the Main Menu or to return to the Run
screen.
XXLO WCONCENTRATIONXXLO W
CO 15.80 PPM
SAMPLE 12:34 ALARMx
MIN TRIG(CEILING/FLOOR):
ACTUAL TRIGGER: CEILING
SET TRIGGER TO: FLOOR ?


 TOGGLE AND SAVE VALUE
RANGE AVG DIAGS ALARM