Timepix operational manual

1. Install VNC server

Command: apt-get install tigervnc-viewer

2. Run vnc

2.1. Run the command:

xtigervncviewer -SecurityTypes VncAuth,TLSVnc -passwd $HOME/.vnc/passwd padmetpix.lnf.infn.it:1 Shared=1

here $HOME/.vnc/passwd is the file containing the encrypted password to the timepix main computer; download the file in the email and change $HOME/.vnc/passwd to point to the location of the downloaded file

--- or use remmina - machine: padmetpix.lnf.infn.it:1 via VNC

2.2. log on the machine

 * userid is timepix
 * password is  widepix

3. Start the manager process

3.1. open terminal

3.2. change directory

cd advacam/atpx3/bin/

3.3. start the process

./atpx3mgr.orig

You should see something like :

Leave this terminal open, and follow next instructions.

4. Start the application

4.1. open a new terminal

4.2. change directory

cd advacam/controlapp/

4.3. start the application

./main_data.py

5. Start data acquisition

5.1. Initialize system

Press the button Init System and wait for response Init system rc=0 (visible at the bottom left part of the app window)

you should see at the bottom of the window something like :

5.2. Set Threshold

Press the button Set (a good default value is 50) in the Threshold square of the application and wait for response Set Thl Ok

5.3. Check preview mode to see the data frames

Press the checkbox Preview

5.4. Start data acquisition

Don’t change the parameters for Time and Count

Press Start button. You should see the message Start Meas rc=0

5.5. Data Acquisition is finished properly without errors.

You should see this message Acquisition finished OK.

5.6. Problems with the app or the process

If a problem occur during data acquisition or initialization see the next point (6. Restarting)

6. Restarting

6.1. Close the application and stop the process atpx3mgr.orig

6.2. Turn off the power supply

Run this script:

~/pwb_mon.pl -a pwb1 of5; ~/pwb_mon.pl -a pwb2 of5

6.3. Follow the steps from 3 to 5 (in that order)

7. If the main computer is rebooted

7.1. Check that NO processes from advacam are running

Run the command:

systemctl status advacam.service advacamx.service advacam_proc.service

7.2. If there is an active process

Run the command:

sudo systemctl stop advacam.service advacamx.service advacam_proc.service

password: widepix