5. MaintenanceBarco – Argus X Terminal – DOC-3265-2 – user's manual – Revision 04 – May-2004 _________________________________________________________________________ 5-3• Insert the power module into the system. Take care to insert it in the same orientation like the other modulewith the mains connection [25] on the upper side!• Tighten the securing screw!• Switch on the power module with the power switch [35]!• Check that the green LED [36] lightens up!ED [36] lightens up!• Check that the red LED power module failed [6] at the front of the P ROCESSOR stops lightening!5.1.2 RAIDAn instruction of the operation of the RAID hard disks can be found in the attached user’s manual of the manu-facturer.5.1.3 Replacing the filter pad of Argus ProcessorThe filter pad of the ARGUS P ROCESSOR has to be changed in intervals, depending on the grade of pollution of theair.The air filter is located behind the ventilation slits on the front of the A RGUS P ROCESSOR .• Unlock the front cover of the A RGUS P ROCESSOR with the key!• Pull the handle of the filter mounting [2] into your direction!2] into your direction!• Pull out the filter mounting to the right!• Remove the old filter pad!• Insert a new filter pad!• Insert the mounting into the A RGUS P ROCESSOR until the handle engages!• Lock the front cover!As long as the filter pad is not irreversibly blocked, cleaning it with a vacuum cleaner is alsoan acceptable method to maintain a good air ventilation within the system!