Manual control of the permits

• Navigate to the FSM node ALI_DCS\LHC\DCS_BCM\DCS_TELL1\myTell1_BCM ( A) and double click on it to open the panel. Click the button B (…) to open the popup panel with manual control of permits:

.

• Use the buttons C to operate the permits. Click the 'Enable' button to activate the permits removal buttons:

.

Beam permit

If the beam background in ALICE is above a safe level then the BCM will dump the beam and make the beam permit FALSE (red).

IF

• BEAM PERMIT IS FALSE (RED)

THEN

• IT IS NECESSARY TO REARM THE BEAM PERMIT MANUALLY

ACTIONS:

• 1. Inform Shift Leader

• 2. If you are during the Post Mortem procedure (there is Post Mortem popup panel and ALI_DCS\LHC\DCS_BCM FSM node is in state DUMP) then wait until it finishes.

• 3. Navigate to the FSM node ALI_DCS\LHC\DCS_BCM\DCS_TELL1\myTell1_BCM ( A) and double click on it to open the panel:

• 4. Click the button B (…) to open the popup panel with manual control of permits:

• 5. Press the button C. The beam (user) permit should move to TRUE (green).

If you do not succeed then call DCS On call.