N I - 7 0 7 5 2 5 H O M E P L U G A D A P T E R S TA R T E R K I T 2 0 0 M B P S15PreferencesThe lower part of the panel displays options for turning the autoscan function on or off.6 N M K P U S H B U T T O N U S A G EThis section describes how to add new devices or remove old devices from a HomePlug AVlogical network (AVLN) by using a NMK pushbutton.Power LED status indicates the operation progress and result.6.1 Forming a HomePlug AV Logical NetworkWhen two devices with different NMK values are connected to the same Homeplug, and theuser wants them to form a logical network.1. Press the NMK button on device A for less than 3 seconds.2. Press the NMK button on device B for less than 3 seconds. The buttonon B must be pressed within 1 minute3. Wait for the connection to complete.The Power LED on both devices blinks evenly at 1-second intervals until the operationsucceeds or fails. If the connection succeeds, it illuminates steadily. If an error occurs, thePower LED on the ‘adder’ blinks unevenly until the pushbutton on the ‘adder’ is pressedagain or the ‘joiner’ is reset by holding the pushbuttons down for more than 10 seconds.