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IFS 125M User Manual Bruker Optik GmbH
Troubleshooting 7
i
Data acquisition can be tested independent of any detector signal by sending the direct
command: TRW=1. In that case a triangular wave signal is recorded instead of the digi
-
tized detector signal. To return to normal operation, send the direct command: TRW=0.
Detector oversaturation or
ADC overflow
• Reduce the light source intensity by using a
smaller aperture.
• Reduce the gain settings. On the OPUS
Measure menu, select the Advanced Measure
-
ment command. Click the Optics tab.
Scanner not scanning Check the FWD and TKD LEDs on the mobile
electronics unit. If they do not light repeatedly,
proceed as follows:
• On the OPUS Measure menu, select the Optic
Setup and Service command.
• Click the Control Panel tab on the dialog that
opens.
• Scroll to the Scanner control item.
• Click once on Reinit Scanner. After a while the
FWD and TKD LEDs on the mobile electronics
unit flash, indicating that the scanner is in short
scan mode.
Interferometer out of align-
ment
Contact Bruker service.
Possible causes Solutions
Table 7.4: No interferogram observable