Thermo 48i - Page 141

Operation
Service Menu
Thermo Electron Corporation Model 48i Instruction Manual 3-119
Analog Input Calibration Zero The Analog Input Calibrate Zero screen allows the user to calibrate the zero
state of the selected analog input.
In the Main Menu, choose Service > Analog Input Calibration > Select
Channel > Calibrate Zero. (Hook up a voltage source of 0 V to the analog
input channel.)
• Press to save the value.
• Press to return to the Analog Input Calibration screen or
to return to the Run screen.
Analog Input Calibrate Full-Scale The Analog Input Calibration Full-Scale screen allows the user to calibrate
the full-scale state of the selected analog input.
• In the Main Menu, choose Service > Analog Input Calibration > Select
Channel > Calibrate Full Scale. (Hook up a voltage source of 10 V to
the analog input channel.)
• Use the and to increment or decrement the numeric
value.
• Press to save the value.
• Press to return to the Analog Input Calibration screen or
to return to the Run screen.
XXLO WCONCENTRATIONXXLO W
CO 15.80 PPM
SAMPLE 12:34 ALARMX
ANALOG INPUT CAL: ZERO
DISCONNECT SELECTED INPUT!
SELECTED INPUT: INPUT 1
CURRENTLY: 0.00 V ?


 CALIBRATE INPUT TO ZERO
RANGE AVG DIAGS ALARM