Changes

</ol>

</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> === Translation Stage Has Hung Up===

• <ul><li><p>Reset the Linear Translation Stages by switching it off and then turning it on,</p></li><li><p>• Disconnect the USB cable from the USB Hub port and then reconnect it again to the same port.</p></li>A-II.7 Optimization Utility Program Not Functioning </ul>

• <ul><li><p>The Lock-in Amplifier is off.</p></li><li><p>• Or the Lock-in Amplifier is not connected to the [[NeoScan]] system through the USB Hub.</p></li><li><p>• Or GPIB address for the Lock-in Amplifier Visa is not correct.</p></li></ul>

1. <ol><li><p>Check whether the Lock-in Amplifier is on.</p></li><li><p>Check if the GPIB-USB cable from the Lock-in Amplifier port is connected to the USB Hub (Figure AII-.8).</p></li><li><p>Disconnect the USB cable from the USB Hub port and then reconnect it again to the same port.</p></li></ol>

2<center>[[Image:neoscanfig_A_II_8. Check if the GPIB-USB cable from the Lock-in Amplifier port is connected to the USB Hub (png|thumb|center|400px|<i><b>Figure AIIA-II.8)</b>: Cor.</i>]]</center>

3. Disconnect the USB cable from the USB Hub port and then reconnect it again to the same port.  A-II.8 === Incorrect Working Folder (Directory)===

1<center>[[Image:neoscanfig_A_II_9. png|thumb|center|600px|<i><b>Figure A-II.9</b>: Correct working or project and folder path.</i>]]</center> <ol><li><p>In NoeScan Mapping Utility use the browse button to set “Working Folder” path to

</p></li><li><p>2. In NoeScan Plot Utility use the browse button to set “Project Folder” path to

   A-II.9 === Irregular Patterns in 2D Phase Plots===

1. <ol><li><p>Make sure all 10 MHz reference cables are connected appropriately (in the back of the corresponding instruments) and the connectors are not loose. </p></li><li><p>Check if the BNC cables are fine. </p></li><li><p>Make sure “Modulation Generator” key in 100 MHz signal generator for lock-in amplifier is off.</p></li></ol>

3If the FC/APC connector is not clean (Figure A-II. Make sure “Modulation Generator” key 11), despite probe optimization the return power and the optimization power graphs appears wiggling as shown in 100 MHz signal generator for lockFigure A-in amplifier is offII.12.

<center>[[Image:neoscanfig_A_II_11.png|thumb|center|600px|<i><b>Figure A-II.10 Wiggling Power Levels  If the 11</b>: FC/APC connector is not of a PM Fiber under microscope: A dirt seen as a black mark on the fiber end connector (left). A clean fiber (right).</i>]]<br>[[Image:neoscanfig_A_II_12.png|thumb|center|600px|<i><b>Figure A-II.11), despite probe optimization the 12</b>: Wiggling return power and the optimization power graphs appears wiggling as shown in Figure A-II.12for a PM fiber with a dirt on the fiber end connector. </i>]]</center>

1. <ol><li><p>Detach the fiber connector from fiber port of the [[NeoScan]] system.</p></li><li><p>Use a dry cleaning cloth (reel-based cassette cleaner) to remove dirt, dust, and oil from connector end faces (Figure A-II.13). </p></li><li><p>Attach the fiber connector to the fiber port of the [[NeoScan]] system.</p></li><li><p>Perform a probe optimization.</p></li></ol>

2<center>[[Image:neoscanfig_A_II_13. Use png|thumb|center|600px|<i><b>Figure A-II.13</b>: Cleaning a connector end face using a dry cleaning cloth (reel-based cassette cleaner) to remove dirt, dust, and oil from connector end faces (Figure A-II.13). </i>]]</center>

3. Attach the fiber connector to the fiber port of the === [[NeoScan]] system.Optical Bench Manager Program Not Responding ===

4. Perform When the A/D and D/A convertor drivers are not detected by the system, NoeScan Optical Bench Manager program prompts a probe optimizationwarning as shown in Figure AII-14. Or sometimes NoeScan Optical Bench Manager program does not respond.

When the A/D and D/A convertor drivers are not detected by the system, NoeScan Optical Bench Manager program prompts a warning as shown in <center>[[Image:neoscanfig_A_II_14.png|thumb|center|300px|<i><b>Figure AIIA-II.14</b>: Warning massage for missing AD and DA addresses. Or sometimes NoeScan Optical Bench Manager program does not respond.</i>]]</center>

1. <ol><li><p>Turn off the [[NeoScan]] system and turn it on again.</p></li><li><p>Reboot the control computer.</p></li><li><p>Go to Window Application (Program) or “Measurement Computing” folder and click on “Instacal” (Figure A-II.15).</p>

2<center>[[Image:neoscanfig_A_II_15. Reboot png|thumb|center|600px|<i><b>Figure A-II.15</b>: Start the control computerInstacal driver controller program.</i>]]</center></li><li><p>You may be prompted with a message box as shown in Figure A-II.16 saying that the previous board name has not been deleted. Press “OK” button.</p>

3<center>[[Image:neoscanfig_A_II_16. Go to Window Application (Program) or “Measurement Computing” folder and click on png|thumb|center|600px|<i><b>Figure A-II.16</b>: Configure the Instacal driver controller program.</i>]]</center></li><li><p>The “Instacal” driver interface will list A/D and D/A board names – e.g. USB-1608FS board and USB-3114 (Figure A-II.1517).</p>

4<center>[[Image:neoscanfig_A_II_17. You may be prompted with a message box as shown in png|thumb|center|400px|<i><b>Figure A-II.16 saying that the previous 17</b>: Instacal driver controller program list A/D and D/A board name has not been deletednames. Press “OK” button</i>]]</center></li><li><p>Select USB-3114 and double click on it.</p></li><li><p>In USB-3114 Board Configuration window use the dropdown list and set at the D/A Ranges to +/-10V (default is 0-10V)as shown in Figure A-II-18. </p>

5<center>[[Image:neoscanfig_A_II_18. The “Instacal” png|thumb|center|400px|<i><b>Figure A-II.18</b>: Instacal driver interface will controller program list A/D and D/A board names – e.g</i>]]</center></li><li><p>Close “Instacal” driver interface and open [[NeoScan]] Optical Bench Manager program. USB-1608FS board </p></li><li><p>If the “Instacal” driver interface does not list A/D and USB-3114 (D/A board names as indicated in Figure A-II-19.17).</p>

6<center>[[Image:neoscanfig_A_II_19. Select USBpng|thumb|center|400px|<i><b>Figure A-3114 II.19</b>: Instacal driver controller program cannot detect A/D and double click on itD/A converters.</i>]]</center>

7. In USB-3114 Board Configuration window use the dropdown list and set at the D/A Ranges to +/-10V (default is 0-10V)as shown in Figure A-II-18.<ol type="a"><li>8. Close “Instacal” driver interface and open [[NeoScan]] Optical Bench Manager program.<p> 9. If the “Instacal” driver interface does not list A/D and D/A board names as indicated in Figure A-II-19. a. Double click on program “MCCRegistryFix3.exe”. You can find it in C:\ProgramData folder.</p></li><li><p>b. Unplug the USB cable from the [[NeoScan]] Optical Mainframe.</p></li><li><p>c. Plug the USB cable from the [[NeoScan]] Optical Mainframe.</p></li><li><p>d. Run “Instacal” program again. </p></li><ol>