Power on Audio Box
To power on the Audio Box, press the power rocker switch to the ON position. Once powered on, the switch LED will illuminate red.
Audio Box Synchronization
To synchronize the Audio Box to the 18R2 Controller, perform the following steps. You can also watch our How to SYNC COBRA Devices video.
- Power on the 18R2 and let the 18R2 complete the startup sequence until the channel displays. Press and hold SYNC on the 18R2 until P displays. Release the SYNC button.
- Power on the Audio Box. Press and hold the SYNC button on the Audio Box until the SYNC LED flickers. Release the SYNC button as the SYNC LED will remain illuminated solid.
- Press and hold the SYNC button on both the Audio Box and 18R2 for about one second until the Audio Box SYNC LED flickers. Restart the Audio Box and 18R2s. Once both units finish powering on, the SYNC LED should blink on both devices every second. Your Audio Box is now in sync with the 18R2.