Multicast services (extra digital audio channels) can be received on HD Radio™ channel broadcasts. Their availability is dependent upon the channel broadcaster. If an HD Radio channel features multicast services, HD1 will be displayed.

To access any available multicast services, use the seek buttons on the audio unit. The selected service (HD2, HD3 etc.) will be displayed.

Note: If the last of the multicast stations is passed when using the seek arrows, then the next analog station will be selected. There will be a delay while the unit tunes to the next available analog frequency.

Multicast channels can be stored as presets and used as normal. When recalling a multicast preset, a short delay may be experienced during which the audio is muted. If the signal is lost when listening to a multicast service, the audio will be muted.