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pmSTALM is a script that will player an alarm over the PC speakers when significant alarms occur in the pcfs logs. It's run from a shell script on ops4 (main observing PC with 4 monitors) and/or ops6 (PC in the bedroom).

After you start the schedule, you should run ./pmSTALMhb.sh and ./pmSTALMyg.sh as observer@ops4 or observer@ops6. ops6 also has a couple of launchers on the desktop to start pmSTALM.

The xterm window where pmSTALM is running will show the extracted errors from the log. The log is checked every 5 seconds or so. New errors have their codes checked against the list in ~observer/pmSTALM/stalmaction_mk3 to determine whether to sound an alarm or not. If the listed response is BEEP, a window appears and plays the siren sound for one repeat. An ALARM response produces a continuous siren. The alarm windows can be closed by pressing the escape key in that window or by the terminal command killall mplayer.

pmSTALM also checks that the formatter-maser difference is ok and sounds the alarm if it has drifted out of range. You'll see an error to this effect in the log if it happens.

If you need to mute a specific alarm permanently (or for some long duration at least), you can edit the response in the ~observer/pmSTALM/stalmaction_mk3 file. Just cross check the error code from the log. If you do this, please make a note for the next observer!

You can adjust the volume of the alarms using either the volume knobs of the speaker or the volume control (upper RHS of the desktop, near the clock.