ARC can be toggled on and off by pressing and holding the mute button for 5 seconds. Your wireless audio device will make an affirmative (high pitch) or negative (low pitch) tone to indicate if ARC is ON or OFF.
Using the Menu, select "Anthem Room Correction". Here you can set ARC to ON or OFF.
Renaissance ESL 15A
Expression ESL 13A
Impression ESL 11A
Illusion ESL C34A
On the speaker's rear connection and control panel there is a toggle switch labeled "ARC Room EQ".
Using the iOS or Android MartinLogan Subwoofer Control App, use the ARC toggle on the Home screen to turn ARC ON or OFF.
It is not possible to toggle PBK ON or Off with the Dynamo 1500X.
On the subwoofer's top control panel, there is a button labeled "Room EQ" which allows you to turn PBK room correction on and off. If the LED is lit up, room correction is on.