Agilent 1260 Infinity DAD and MWD User Manual 189
Test Functions
9
D/A Converter (DAC) Test
Figure 75 D/A Converter (DAC) Test – Example of Integrator Plot
Running the Test with Instant Pilot
The test can be started via the command line.
1 To start the test
TEST: DAC 1
Reply: RA 00000 TEST:DAC 1
2 To stop the test
TEST:DAC 0
Reply: RA 00000 TEST:DAC 0
Test Failed
D/A Converter (DAC) Test Evaluation
The noise on the step should be less than 3 µV.
Probable cause Suggested actions
1 Bad cable or grounding problem between
detector and external device.
Check or replace the cable.
2 Defective detector main board.
Exchange the detector main board.
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