TM 9-2350-256-10LocationCrewmemberNot FullyItemItem toMissionNo. IntervalCheck/ProcedureCapable if:ServiceWARNINGIR powerpack is highvoltage item. Injury topersonnel or damageto M24 periscopecould occur ifMASTER BATTERYand IR POWERswitches are in ONposition when vehiclepower cable is beingconnected to ordisconnected fromperiscope.Ensure MASTERPower cableBATTERY switch is OFF.missing,Unscrew dustcap fromdamaged, or willpower receptacle.not connect toRemove power cableM24 periscope.from stowage receptacle.Connect power cable topower receptacle.Set MASTER BATTERYswitch to ON. Set B.O.SELECTOR switch to IR.Raise UNLOCK lever andset LIGHTING CONTROLlever to B.O. DRIVE. SetIR POWER switch to ON.IR indicator will glow.Release elevationadjustment lever. Adjustperiscope to elevationangle desired. Pull leverforward to lock periscopein position. If necessary,adjust headrest byloosening clamp screws.2-89
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