Operation
Service Menu
3-114 Model 48i Instruction Manual Thermo Electron Corporation
Temperature Calibration The Termperature calibration screen allows the user to view and set the
ambient temperature sensor calibration.The temperature calibration is
visible only when the instrument is in service mode. For more information
on the service mode, see “Service Mode” earlier in the chapter.
• In the Main Menu, choose Service > Temperature Calibration.
• Use , , and to move and change the value.
• Press to save set to value as actual value.
• Press to return to the Service menu or to return to the
Run screen.
Analog Output Calibration The Analog Output Calibation menu is a selection of analog output to
calibrate, and allows the user to select the calibration action zero or span.
The analog output calibration is visible only when the instrument is in
service mode. For more information on the service mode, see “Service
Mode” earlier in the chapter.
WARNING This adjustment should only be performed by an instrument
service technician.
XXLO WCONCENTRATIONXXLO W
CO 15.80 PPM
SAMPLE 12:34 ALARMX
CALIBRATE AMBIENT TEMP:
ENTER TEMP TO CAL TO
SET TO: 25.0
o
C
§¨
MOVE CURSOR
©ª
CHANGE VALUE
SAVE
RANGE AVG DIAGS ALARM
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