T2B12

What is the digital color code used on DMR repeater systems?

1. AAn access code which must be programmed into a DMR transmitter to access a specific repeater
2. BA code which automatically programs the repeater offset to a frequency chosen by the user
3. CA code which identifies the specific CODEC being used so that the repeater can properly decode the audio
4. DA code transmitted by the repeater to indicate health and status of the equipment

Pick an answer to check it.