No setup is necessary to enable AUX port. To add a handheld scanner to Z-6082, connect it using a cable that supports the AUX port and set RS-232 as the interface for the handheld scanner. Please refer to the User's Manual for details.
To use EAS, simply connect the EAS system to Z-6082's EAS port. EAS system should work with Z-6082. For detail, please refer to user manual about EAS setting.