FMCG/Shutdown and Takedown

Daily

Generally at the end of the day, we turn off the heaters on the cells and turn off the lasers.

1. To turn off the heaters, hit the illuminated ON/OFF buttons on the Tektronix +/- 72 V supplies.
2. Turn off the probe by first turning off the current to the tapered amplifer on the back of the rack, then turning off the diode by hitting the LASER On/Off button on the Probe LDC501 on the front. Both the tapered amplifier temperature controller and the diode TEC controller can be left enabled without concern
3. Turn off the pump by clicking the Amplifier On/Off button on the TA-7600 program on the desktop. Then hit the LASER On/Off button on the pump LDC501 on the rack. A warning will appear in the TA-7600 program that the input power has dropped below threshold. That's fine, but make sure to close the TA-7600 program. If you don't, after some time, the software seems to create an endless stream of error messages to greet you when you arrive the next day. The TEC on the pump laser diode can be left active.

Complete takedown

Whenever Ron's group has a patient, it's necessary for us to clean up our crap from the room. You can follow the setup steps in reverse if you want, but it's pretty self explanatory, with just a few things to keep in mind:

1. All wires, cables, and fibers stay connected to the rack. So, you'll disconnect the bundle of Cat5 cables from the array and pass them through the port out of the room (with the blue zippered "hood" of course!). They do not get disconnected from the electronics on the rack. Rather, just coil them up and put them on the top. Similarly with the fibers (capped of course!). The one exception to this is the room coils, which get disconnected from the Cat5 breakout box and the leads are left hanging from the port (Ron's group uses these as well). The long BNC that is used for magnetometer nulling purposes is also left on the floor.
2. The scopes can be powered down and put on the cart with the array. Their power cables can be coiled up on the bottom of the back of the rack along with the surge protector power cables.
3. All of the cables connecting to the computer (including the PCI card for the NI chassis) can be placed down at the bottom of the rack next to the chassis.
4. The cart and rack are then wheeled into the prep room. Try not to block access to anything important (the Tristan power supply or Margo's desk, eg). Under the ladder and in front of the metal cabinet next to the door to Sarah's office are good places.