Enabling/Disabling HD Intercom - Default is enabled
HD Intercom enhances the two-way intercom audio from normal quality
to HD quality. HD Intercom will become temporarily disabled when you
enter into a multi-way intercom. If this feature is disabled, the two-way
intercom audio will change to normal quality.
You can change this setting in the Configuration Menu.
The intercom distance of HD Intercom is relatively shorter than that of normal