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chara:coude_alignment_procedure [2024/05/07 19:14] charaobs [Updated 2021Jun01 by Judit:] |
chara:coude_alignment_procedure [2024/05/07 19:53] (current) charaobs [Udated 2024 May 6] |
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===== Coude Alignment Procedure ===== | ===== Coude Alignment Procedure ===== | ||
- | ==== Udated | + | ==== Updated |
<font 12pt/ | <font 12pt/ | ||
- | - Start with an M10 alignment before beginning the coude process. Usually | + | - Start with an M10 alignment before beginning the coude process |
- Send M7's to default | - Send M7's to default | ||
- | - Do regular beginning of the night alignment procedure. | + | - Do regular beginning of the night alignment procedure |
- | - align beacon, dichroic, focus labao, focus wfs. | + | - align beacon, dichroic, focus labao, focus wfs |
- | - Open an engineering hut GUI: hutgtk -E S1 & | + | - Open an engineering hut GUI: >> |
- AOB ENG tab | - AOB ENG tab | ||
- | - note M7_1 and M7_2 positions and enter on excel page. | + | - note the M7_1 and M7_2 actuator |
- Select and hit **[GET].** | - Select and hit **[GET].** | ||
- | - Value reads below get and should match last entry on excel. | + | - Value reads below get and should match last entry on excel |
- | - Turn powers on and enable scope(s). | + | - Turn powers on and enable scope(s) |
- Dome GUI, Auto tab: | - Dome GUI, Auto tab: | ||
- On 'Az Pos', enter the stow position + 180 | - On 'Az Pos', enter the stow position + 180 | ||
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- spreadsheet will calculate the average value | - spreadsheet will calculate the average value | ||
- enter the average value + 3 zeros for each actuator (M7_1 and M7_2). | - enter the average value + 3 zeros for each actuator (M7_1 and M7_2). | ||
- | - If its a large move, watch the beacon spots as they move away because you will need to recenter them. | + | - If its a large move, watch the beacon spots as they move away because you will need to recenter them |
- | - Use the dichroic to realign the beacon to labao. | + | - Use the dichroic to realign the beacon to labao |
- | - Hit **[STOW]** | + | - Hit **[STOW]** |
- | - The beacon movement should be much smaller returning to stow than it was going away from stow. | + | - The beacon movement should be much smaller returning to stow than it was going away from stow |
- Align M7 | - Align M7 | ||
- Enter new actuator positions into excel | - Enter new actuator positions into excel | ||
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- Align dichroic | - Align dichroic | ||
- if the beacon movements were small on the way back to stow, then the coude alignment is finished. If it wasn' | - if the beacon movements were small on the way back to stow, then the coude alignment is finished. If it wasn' | ||
- | - Hut GUI, save the new M7 dichroic positions by hitting [DICHR POS] then [WRITE CFG]. | + | - Hut GUI, save the new M7 dichroic positions by hitting |
- it will save them to / | - it will save them to / | ||
- Can enter any notes on why coude alignment was needed on excel sheet. | - Can enter any notes on why coude alignment was needed on excel sheet. | ||
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==== Updated 2021Jun01 by Judit: ==== | ==== Updated 2021Jun01 by Judit: ==== | ||
- | === | + | === Preparation === |
Make sure the vacuum is below 5 torr in the pipe. | Make sure the vacuum is below 5 torr in the pipe. | ||
- | * | + | * Proceed with the usual steps up to LAB DICH alignment with labao. |
- | + | ||
- | Proceed with the usual steps up to LAB DICH alignment with labao. | + | |
* Adjust by hand DM tilt to front side of front rail target | * Adjust by hand DM tilt to front side of front rail target | ||
* Cart at the back. Adjust BRT using brtgtk to back side of front rail target. | * Cart at the back. Adjust BRT using brtgtk to back side of front rail target. |