ZEISS 5 First Operating Steps | 5.6 Finding Appropriate Detector Settings
12. Activate BSD Auto Range. Optimize the image by adjusting brightness and contrast.
INFO: The BSD detector has four amplification ranges (BSD Gain: Low, Medium, High, Very
High). Activating BSD Auto Range automatically switches the ranges, depending on the
contrast setting of the detector. Alternatively, the BSD Gain can be manually selected from
the drop-down list when BSD Auto Range is not activated. The suitable BSD Gain depends
on the signal strength (acceleration voltage, probe current, WD and sample material com-
position).
INFO: Risk of malfunction: the diode segments are sensitive to the light used for illumina-
tion in TV mode (infrared and white). When using a diode detector, always ensure that the
TV illumination is switched off. If the CCD Mode is set to Auto Detect, the TV illumination
is automatically switched off when a diode detector is used.
5.6.6 Setting up the YAG BSD Detector
NOTICE
Inserting the YAG BSD detector
When you manually insert the detector, there is a risk to damage the YAG BSD detector.
4 Use the chamberscope image to observe if there is enough space between the objective
lens and the specimen.
4 If there is not enough space between the objective lens and the specimen, then lower the
stage position before you insert the detector.
4 Insert the YAG BSD detector carefully and observe the moving YAG BSD detector via the
chamberscope.
Procedure
1. Insert the detector.
If there is any resistance, make sure the silver
knob is untightened.
2. In the SEM Controls panel, select the Detectors tab.
3. From the Signal A drop-down list, select YAG BSD.
4. To optimize the image, adjust brightness and contrast. There are no further parameters to
change.
5. After use, retract the detector.
INFO: Because of the detector’s weight, there is only little risk for it to accidentally slide in.
Therefore, you do not have to fix the silver knob.
Instruction Manual ZEISS EVO | en-US | Rev. 10 | 354706-0780-006 87
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