Check that on the Unser box switches are as follows:
Calibration: "OFF"
Range: "B"
Test: "OFF"
Check that All three DVM are turned ON.
Check that current source for Unser is OFF. Assuming that everything is correct, you can collect current data performing the following:
=1.5pc =1 1. Open the Beam Current Monitor screen by log in hac: username=3Dhacuser password=3Dhacuser.
=1.5pc =1 2. Open a terminal by typing "HAC_xt". This opens the main control of hall A , and usually there are a couple of terminals in the counting house that are already in this configuration.
=1.5pc =1 3. Go in BEAMLINE and open the "beam charge monitors" screen This opens the bcm main screen.
=1.5pc =1 4. From this screen you can open the "OPERATION" screen which is a simplified version designed for operators.
If the old procedure using the Macintosh will be again actual than use the following commands:
1. On the Macintosh computer go to folder LabWiew Hall A
2. Click twice on icon Hall A BCM data, until it is activated.
=1.5pc =1 3. Click on arrow in left top corner, and acquisition of data will start. Data will appear on the screen as numbers and on a graph as three curves representing the two cavities and the Unser data. All data will be also saved in a file, whose name is written on the screen.
4. To stop acquisition, just press stop icon on the screen.
=1.5pc =1 5. To start acquisition again, press arrow at the top, as before. The computer will automatically change the name of the file where the new data will be saved.