Reports until 17:49, Friday 24 July 2026
H1 AOS
jennifer.wright@LIGO.ORG - posted 17:49, Friday 24 July 2026 (91249)
Cleared up trigger values on JAC main screen

Jennie W

 

I edited the file /opt/rtcds/userapps/release/ioo/h1/medm/jac_macro.txt that changes the gifs on the JAC_OVERVIEW_NEW screen so that the screen displays the picture of the beam transmitting through the JAC and also reflecting off the front surface of JAC and hitting the WFS.

I have set these to work if we are putting in 200 mW or above into HAM1.

These values might need further tuned.

I used the values recorded during a 2W lock of JAC today and divided the REFL, WFS and TRANS power by 10 so these thresholds still make sense at 200mW.

The trigger PD on the REFL signal has such a small power on it that it will sometimes go negative so I left this value at -10.

If anyone notices that the this screen doesn't show a beam reaching the PDs when it actually is based on the epics values, please let me know so i can fix it.

Images attached to this report