Servicing
Analog Output Adjustment
7-32 Model 42i Low Source Instruction Manual Thermo Electron Corporation
The Set Analog Outputs screen appears.
4. Press to set the output to full scale.
The Output Set To: field displays Full Scale.
5. Check that the meter is displaying the full scale value. If the meter
reading differs by more than one percent, the analog outputs should be
adjusted. Refer to the “Analog Output Adjustment” procedure that
follows.
6. Press to set the output to zero.
The Output Set To: field displays Zero.
7. Check that the meter is displaying a zero value. If the meter reading
differs by more than one percent, the analog outputs should be adjusted.
Refer to the “Analog Output Adjustment” procedure that follows.
Analog Output
Adjustment
Use the following procedure to adjust the analog voltage outputs if a meter
reading in the “Analog Output Testing” procedure differed by more than
one percent.
1. Connect a meter to the channel to be adjusted. Figure 7-17 shows the
analog output pins and Table 7-3 identifies the associated channels.
2. From the Main Menu, press to scroll to Service > press >
to scroll to Analog Output Calibration > and press .
The Analog Output Cal screen appears
If the Service Mode is not displayed on the Main Menu, use the
following procedure to display it.
a. At the Main Menu, press to scroll to Instrument Controls >
press > to scroll to Service Mode > and press .
The Service Mode screen appears.
b. Press to toggle the Service Mode to ON.
To Next Page
Loading...
