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name="PsmSpace" |
Dolby DR-37P Standard Operating Procedures |
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Power up procedure |
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< | The display has shown a risk of overheating that could lead to automatic shutdown. These SOPs are designed to mitigate that risk. |
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> | The display has shown a risk of overheating that could lead to automatic shutdown. According to David Tan at Dolby, this might be due to partial separation of the heat sink, which is apparently not uncommon in these prototype DR-37P units. These SOPs are designed to mitigate that risk. |
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< | Ensure that there is enough FC-11 (FC-77?) liquid coolant in the reservoir of the display. Allan thinks enough means more than half full, but that's just a guess. |
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> | Ensure that there is enough FC-11 (FC-77?) liquid coolant in the reservoir of the display. Allan thinks enough means more than half full. You want enough so that you can visibly see coolant circulating through the hoses when the coolant pump is running. |
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When powering on the display, do not wait long before logging in and running "DR-37P GUI V48.5.exe". This control program allows you to monitor the temperatures in the display as well as control it. When you run it it should ask if you want to connect to display 1106 and you click OK. If it can't find the display, you will need to log out and back in. |
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- 4. Run DR-37P GUI V48.5.exe.
- 5. Click on 8-Bit+ Mode.
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< | The default mode for the display upon power-on is a high-brightness mode, which can cause significant heat. For most uses, check the 8-Bit+ Mode box in the HDR Control Panel. This enters a lower-brightness mode which substantially reduces the risk of overheating. This mode is also suitable for high-brightness use of the display, because HDR Viewer expects this mode for displaying full-brightness imagery. |
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> | The default mode for the display upon power-on is a full-brightness mode, which can cause significant heat. For most uses, check the 8-Bit+ Mode box in the HDR Control Panel. This enters a lower-brightness mode which substantially reduces the risk of overheating. This mode is also suitable for full-brightness use of the display, because HDR Viewer expects this mode for displaying full-brightness imagery. |
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Magnetic liquid cooling pump |
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When the temperatures hit the 60s or 70s, exercise caution and keep an eye on them. When they hit the 80s, you should take steps to reduce the temperatures by either restarting or increasing the speed of the pump, setting the 8-bit+ mode, ensuring there is coolant in the reservoir, or terminating the display of bright images. If 8-bit+ mode is on and the pump is running, then terminating the display of bright images should cause a dramatic decrease in temperature. The last option of course is to power down the display. |
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> | There is probably a hard cutoff somewhere that shuts off the display when the temperatures get too high. Wolfgang and Allan experienced this around Dec/06 - Jan/07 while looking at sequences of bright images for the SIGGRAPH paper. Allan doesn't recall seeing the temperatures get into the 90s, so the cutoffs are probably somewhere around 90. |
| | Power down procedure
If you power down the display, do not simply power it back up and leave it. You will need to exit and restart the HDR Control Panel ("DR-37P GUI V48.5.exe") so that you can monitor and control the temperatures. You will also need to plug out and back in the USB cable connecting it to the computer, to reestablish that connection. |
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Users of the display who also have active accounts at Dolby can access the Dolby SVN server (elmo.dolby.net) and do code development with the following process. |
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< | elmo.dolby.net is only visible when a VPN session with Dolby is started. To start it, set your browser to vpn.dolby.net and log in with your dolby username and password. Click "Allow" to (do what the popup window says...). Now you can find elmo.dolby.net. It is not necessary to click the Start button for Network Connect in the Client Application Sessions section of the Instant Virtual Extranet page that comes up, and in fact if you do click it you will lose internet connectivity to anywhere outside of Dolby (e.g. you will lose all UBC access). |
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> | Prior to the move of Dolby Canada from 1310 Kootenay to 2985 Virtual Way, elmo was accessible via brightsidetech.dyndns.org which was easily accessible under a variety of platforms (PC, Mac, Linux) from a variety of locations. But since the move, access has been much more restricted. elmo is now elmo.dolby.net and is only visible when a VPN session with Dolby is started, which is now only possible on the PC platform. To start it, set Internet Explorer to vpn.dolby.net and log in with your dolby username and password. Now you can find elmo.dolby.net. It is not necessary to click the Start button for Network Connect in the Client Application Sessions section of the Instant Virtual Extranet page that comes up, and in fact if you do click it you will lose internet connectivity to anywhere outside of Dolby (e.g. you will lose all UBC access).
Prior to late Dec/07, it was possible to use Firefox to access vpn.dolby.net. At that time, after logging in, you would need to click "Allow" in a popup window that would come up in order to have access to elmo. But as of the beginning of Dec/07 it seems now that only IE will run Dolby's VPN. |
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When you are finished, click the Sign Out button on the top right of the Instant Virtual Extranet page to log out of the Dolby VPN. Also, the Dolby VPN will time out after a while (at least several hours, but less than 24 hours). |
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