chara:night_time_pop_changes
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chara:night_time_pop_changes [2023/02/13 18:10] charaobs |
chara:night_time_pop_changes [2023/06/09 23:40] (current) charaobs |
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| __**Instructions for Changing PoPs During the Night**__ | __**Instructions for Changing PoPs During the Night**__ | ||
| - | This page has been updated JAN 2020 to reflect the use of the new obsgtks and POPPERIGTK for pop changes. Last update | + | This page has been updated JAN 2020 to reflect the use of the new obsgtks and POPPERIGTK for pop changes. Last update |
| (The old version can be found by logging into the wiki and selecting the old revisions icon on the right.) | (The old version can be found by logging into the wiki and selecting the old revisions icon on the right.) | ||
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| It is proper protocol for the PI's, remote or visiting scientists to announce any PoP changes 10 minutes before needed so the operator can bring up the required windows. Please give the PoP's for only the telescopes that need changing. Use this format: E1-1, E2-2, W1-3, etc. Give the desired PoP only. | It is proper protocol for the PI's, remote or visiting scientists to announce any PoP changes 10 minutes before needed so the operator can bring up the required windows. Please give the PoP's for only the telescopes that need changing. Use this format: E1-1, E2-2, W1-3, etc. Give the desired PoP only. | ||
| - | * Unlock Tiptilt on all beams on the obsgtk or Tiptilt Servo GUI if using lab tiptilt. Turn off all auto alignments with the STOP ALIGN button on CD or STOP A button on the obsgtk. Turn off the LABAO servo and set the DM to the default flat. | + | * Unlock Tiptilt on all beams on the obsgtk or Tiptilt Servo GUI if using lab tiptilt. Turn off all auto alignments with the STOP ALIGN button on CD or STOP A button on the obsgtk. Turn off the LABAO servo and set the DM to the default flat for all scopes being changed. |
| * If the telescopes are still pointing at a star, make sure to periodically check the AZ/EL status on the telescope servers during the POP change procedure. If the telescopes ever get too low or start drifting, click [DISABLE] to stop the telescopes until after the POP change finishes. | * If the telescopes are still pointing at a star, make sure to periodically check the AZ/EL status on the telescope servers during the POP change procedure. If the telescopes ever get too low or start drifting, click [DISABLE] to stop the telescopes until after the POP change finishes. | ||
| - | * The new PoPs can be sent to ople before the PoP change to get the carts in place sooner. | + | * The new PoPs can be sent to ople before the PoP change to get the carts in place sooner. Just go to Configuration Tab on Cosmic Debris and set the new PoPs and hit SEND to update ople. The carts should go to new positions. The ref cart may also need to be reset with the new PoPs. |
| - | * Make sure that the cart involved is further back than 2 meters. Do not do a PoP change with a cart on or near the front switch. Stop any cart nearing the front switch until the PoP is changed on that cart. | + | * Make sure that any cart involved is further back than 2 meters. Do not do a PoP change with a cart on or near the front switch. Stop any cart nearing the front switch until the PoP is changed on that cart. |
| * Turn on the camera with the ON button at the top of the obsgtk | * Turn on the camera with the ON button at the top of the obsgtk | ||
| - | * On the CONTROL tab, select the M10 camera with the M10AL button | + | * On the CONTROL tab, select the M10 camera with the [M5TARG] |
| * Close the M5 cover on each telescope that needs a POP change | * Close the M5 cover on each telescope that needs a POP change | ||
| * Open the POPPERI gtk from a terminal, (usually kept open), with popperigtk | * Open the POPPERI gtk from a terminal, (usually kept open), with popperigtk | ||
| * Send VisBeams to the correct pair of telescopes that you need to adjust. | * Send VisBeams to the correct pair of telescopes that you need to adjust. | ||
| - | * Open the " | + | * Open the " |
| - | * Turn the Laser Filter to "ND 0.0". | + | * Turn the Laser Filter to "OPEN or ND 0.3". |
| * Check to make sure the counts are not saturating (< | * Check to make sure the counts are not saturating (< | ||
| - | * You should now see the laser appear on the " | + | * You should now see the laser appear on the " |
| - | * If the spot is too dark or too bright, the ADJ tab on the obsgtk can adjust the brightness and contrast of the spots as needed. | + | * If the spot is too dark or too bright, the [ADJ] tab on the top of the obsgtk can adjust the brightness and contrast of the spots as needed. |
| * On the POPPERIGTK, turn on the power to the telescope you want to change the PoP on. | * On the POPPERIGTK, turn on the power to the telescope you want to change the PoP on. | ||
| * Click the PoP you want and both the PoP mirror and periscope will move to make the change. | * Click the PoP you want and both the PoP mirror and periscope will move to make the change. | ||
| - | * During the process above, the laser beam will have disappeared from the " | + | * During the process above, the laser beam will have disappeared from the screen. Once the PoP change is complete, a pop up window with the PICO 2 adjustment for the M10 mirror |
| * After each telescope is complete to this point, turn OFF the power on the popperi for the beam that is completed and move to the next beam that needs a pop change. Only one can be going at a time, but you can align an M10 as the next pop change is being automatically done by the popperi gtk. | * After each telescope is complete to this point, turn OFF the power on the popperi for the beam that is completed and move to the next beam that needs a pop change. Only one can be going at a time, but you can align an M10 as the next pop change is being automatically done by the popperi gtk. | ||
| - | * Finish the alignment by adjusting the M10 mirror. | + | * Finish the alignment by adjusting the M10 mirror |
| * Make sure the POPPERIGTK powers are off to each scope when finished as the spot can move slightly when it is turned off. | * Make sure the POPPERIGTK powers are off to each scope when finished as the spot can move slightly when it is turned off. | ||
| - | * Click UP/ | + | * Click UP/ |
| * Close the shutter for that telescope beam using the SHUTTERS GUI. | * Close the shutter for that telescope beam using the SHUTTERS GUI. | ||
| - | * Open the M5 cover. Turn off the camera with the OFF button at the top of obsgtk. Click ACQ to get back to the stars. | + | * Open the M5 cover. Turn off the camera with the [OFF] button at the top of obsgtk. Click [ACQ] to get back to the stars. |
| * Repeat the above procedure for each telescope that needs a POP change. | * Repeat the above procedure for each telescope that needs a POP change. | ||
| * After you finish, make sure you change the laser filter back to "ND 4.0". Close the " | * After you finish, make sure you change the laser filter back to "ND 4.0". Close the " | ||
| * Check the POP Overview to make sure all the POPs are correct. Go to Configuration Tab on Cosmic Debris and click " | * Check the POP Overview to make sure all the POPs are correct. Go to Configuration Tab on Cosmic Debris and click " | ||
| * Note that carts may go to extreme positions until you slew since they are likely not correct for the current star. Turn carts off if they are headed for positions beyond 0m or 44m. | * Note that carts may go to extreme positions until you slew since they are likely not correct for the current star. Turn carts off if they are headed for positions beyond 0m or 44m. | ||
| - | * Updated 2-13-23 by Norm \\ \\ __**Troubleshooting**__ | + | * |
| + | * __**Troubleshooting**__ | ||
| + | * \\ **1. A pop mirror does not move IN or OUT** \\ \\ When a pop mirror does not move IN or OUT when clicking on the gui, the most likely cause is a timeout which can be reset. Otherwise, the fix is to change a blown fuse at the pop mirror. Below is the procedure on how to fix a timeout and change a blown fuse. E1 PoP 1 often blows the fuse, sometimes | ||
| 1. Check the small “POP Mirror Control Box” next to the troubled pop underneath the delay line rails. {{: | 1. Check the small “POP Mirror Control Box” next to the troubled pop underneath the delay line rails. {{: | ||
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| 5. Use tweezers to take out the blown fuse from its holder, and insert a new one. Put the lid back; be mindful of the right orientation with respect to the connectors. (Look at the first picture.) Secure the lid with the screws, and attach the all the connectors. | 5. Use tweezers to take out the blown fuse from its holder, and insert a new one. Put the lid back; be mindful of the right orientation with respect to the connectors. (Look at the first picture.) Secure the lid with the screws, and attach the all the connectors. | ||
| - | 6. Test the box in “Local” mode. Slide the command switches to FWD: 0 1 0 or REV: 0 1 1 to get the mirror moving and hit the Enter button. Wait until the green limit switch led lights up. When the mirror goes against the hard stops, a clinking sound can be heard from the pop box. | + | 6. Test the box in “Local” mode. Slide the command switches to FWD: 0 1 0 (PoP mirror in) or REV: 0 1 1 (PoP mirror out) to get the mirror moving and hit the Enter button. Wait until the green limit switch led lights up. When the mirror goes against the hard stops, a clinking sound can be heard from the pop box. |
| - | 7. If the mirror still does not move as expected further investigation is needed, and probably | + | 7. If the mirror still does not move as expected further investigation is needed |
| 8. Slide the CONTROL switch to “Remote”. Make sure you did not leave anything on the rail. | 8. Slide the CONTROL switch to “Remote”. Make sure you did not leave anything on the rail. | ||
chara/night_time_pop_changes.txt · Last modified: 2023/06/09 23:40 by charaobs
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