Operation
Service Menu
3-86 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Note The plumbing going to the pressure sensor should be disconnected so
the sensor is reading ambient pressure before performing the span
calibration. The operator should use an independent barometer to measure
the ambient pressure and enter the value on this screen before calibrating.
• In the Main Menu, choose Service > Pressure Calibration > Span.
• Use , , and to move and change the value.
• Press to save set to value as actual value.
Restore Default Pressure
Calibration
The Restore Default Pressure Calibration screen allows the user to reset the
pressure calibration configuration values to factory defaults.
• In the Main Menu, choose Service > Pressure Calibration > Set
Defaults.
• Press to warn user and enable restore with .
• Use to overwrite pressure sensor calibration parameters with
factory default values when pressed after .
CALIBRATE PRESSURE SPAN:
CURRENTLY: 151.6 mmHg
SET TO: 760.0 mmHg ?
§¨
MOVE CURSOR
©ª
CHANGE VALUE
SAVE
RANGE AVG DIAGS ALARM
RESTORE DEFAULT CAL: RESTORE DEFAULT CAL:
RESTORE RESTORE
ARE YOU SURE YOU WANT TO?x
PRESS ¨ TO CONFIRM RESTORE
RANGE AVG DIAGS ALARM
RANGE AVG DIAGS ALARM
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