=== Lock-in Amplifier Not Found ===
[[Image:neoscanfig_A_II_3.png|thumb|right|300px350px|<i><b>Figure A-II.3</b>: Warning message when lock-in amplifier is not responding.</i>]] If [[NeoScan]] Mapping Utility cannot communicate with lock-in amplifier or lock-in amplifier is not responding, then
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Consequently, the user is prompted with a warning message as shown in Figure A-II.3.
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<center>[[Image:neoscanfig_A_II_4.png|thumb|center|600px500px|<i><b>Figure A-II.4</b>: Rear Panel of Stanford Research Systems SR844 RF Lock-In Amplifier.</i>]]</center>
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