Allen&Heath GL4000 SERVICE MANUAL - Manual (Page 104)

ALLEN & HEATH Section E - 1 L4DSM2
E
RPSD2
DUAL SUPPLY COMBINER MONITOR
SECTION E
CAUTION !
TO AVOID DAMAGE TO INTERNAL COMPONENTS BY
MISHANDLING AND/OR MISCONNECTION, ONLY
TECHNICALLY COMPETENT PERSONNEL SHOULD
ATTEMPT SERVICE WORK ON THIS UNIT.