</p>
</li>
</ol>Â <center>[[Image:neoscanfig_A_II_1.png|thumb|center|600px|<i><b>Figure A-II.1</b>: NeoScan Optical Bench Manager indicating that the total return power is too low.</i>]]</center>
=== Low EO Signal / No Signal ===
</li>
<ol>
Â
<center>[[Image:neoscanfig_A_II_2.png|thumb|center|600px|<i><b>Figure A-II.2</b>: Spectrum Analyzer cannot detect any EO signal.</i>]]</center>
=== Missing [[NeoScan]] Program Icons ===
[[Image:icon_all.png]] [[NeoScan]] Program icons on desktop are missing.
[[NeoScan]] system control and monitoring programs including: [[NeoScan]] Optical Bench Manager (NeoScanOBM.exe), [[NeoScan]] Mapping Utility (NeoScanMAP.exe), and [[NeoScan]] Visualization Utility (NeoScanPlot.exe) are located in C:\Program Files (x86)\[[NeoScan]]. You can create a shortcut.
=== Lock-in Amplifier Not Found ===
[[Image:neoscanfig_A_II_3.png|thumb|right|300px|<i><b>Figure A-II.4 Lock3</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 Not Foundamplifier is not responding, then
If [[NeoScan]] Mapping Utility cannot communicate with lock-in amplifier or lock-in amplifier is not responding, then <ul><li><p>⢠Lock-in amplifier is off.</p></li><li><p>⢠Or lock-in amplifier is not connected to the [[NeoScan]] system through the USB Hub.</p></li><li><p>⢠Or GPIB address for lock-in amplifier Visa is not correct.</p></li><ul>
Consequently, the user is prompted with a warning message as shown in Figure A-II.3.
Therefore,
1. <ol><li><p>Check whether lock-in amplifier is on.</p></li><li><p>Or check if GPIB-USB cable from the (rear panel of) lock-in amplifier is connected to the USB Hub (Figure A-II.4).</p>
2<center>[[Image:neoscanfig_A_II_4. Or check if GPIBpng|thumb|center|600px|<i><b>Figure A-USB cable from the (rear panel II.4</b>: Rear Panel of) Stanford Research Systems SR844 RF Lock-In Amplifier.</i>]]</center></li><li><p>Press âHardware Settingsâ tab in [[NeoScan]] Mapping Utility program. Put down the Visa menu and select the appropriate GPIB address for lock-in amplifier Visa The default is connected to the USB Hub GPIB0::8::INST (See Figure A-II.45).</p>
3. Press âHardware Settingsâ tab in <center>[[NeoScan]] Mapping Utility programImage:neoscanfig_A_II_5. Put down the Visa menu and select the appropriate GPIB address for lock-in amplifier Visa The default is GPIB0::8::INST (See png|thumb|center|600px|<i><b>Figure A-II.5)</b>: Setting lock-in amplifier parameters in NeoScan Mapping Utility.</i>]]</center></li><li><p>4. Disconnect the GPIB-USB cable from the USB Hub port and then reconnect it again to the same port.</p></li><ol>
If the problem persists, turn off lock-in amplifier and then turn it on. Then Disconnect the GPIB-USB cable from the USB Hub port and then reconnect it again to the same port.
⢠</ul><li>It is important to note that failed to respond properly to this issue, it may cause the system hung up, in which you may restart the whole [[NeoScan]] system and control computer.</li></ul>
A-II.5 === Translation Stage Not Responding===
If [[NeoScan]] Mapping Utility cannot communicate with the translation stage system, then
If [[NeoScan]] Mapping Utility cannot communicate with the translation stage system, then</ul><li>⢠The power is off.</p></li><li><p>⢠Or the X Linear Translation Stage is not connected to the [[NeoScan]] system (USB Hub).</p></li></ul>
Consequently, the user is prompted with warning message as shown in Figure A-II.6.
Â
Â
Â
Therefore,
1. </ol><li><p>Check whether the Linear Translation Stage power is on.</p></li><li><p>2. Check if the translation stage cablings are correct.</p></li><li><p>3. Check if the USB cable from X the Linear Translation Stage port is connected to the USB Hub.</p></li><li><p>4. Disconnect the USB cable from the USB Hub port and then reconnect it again to the same port.</p></li></ol>
If the problem persists, turn off the programmable motion controller and then turn it on. Then Disconnect the USB cable from the USB Hub port and then reconnect it again to the same port.
⢠</ul><li>It is important to note that failed to respond properly to this issue, it may cause the system to hung, in which you may restart the whole [[NeoScan]] system and control computer.</li></ul>
<center>[[Image:neoscanfig_A_II_6.png|thumb|center|600px|<i><b>Figure A-II.6</b>: Setting lock-in amplifier parameters in NeoScan Mapping Utility.</i>]]</center>
A-II.6 === Translation Stage Has Hung Up
When the XY Linear Translation Stage hits the edge sensors of the base, it will hang up and stops functioning (see section A.4). In this situation,