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close to the baby monitor can units. cause interference. Receiving signals from a Both systems are using the same Switch channels. different baby monitor. frequencies System check light flashing/ Units are out of range or there is Move parent units closer to baby system check alarm activated interference from another FM unit to restore the link. Remove source the other FM source. 8 IFUSC369ENbk.p65 5 GETTING THE UNITS READY FOR USE Baby unit Connect the AC power adapter (power supply socket (A-5