Technician 2026-2030T2B12
What is the digital color code used on DMR repeater systems?
A
Answer
Operating procedures and emergency communications
Type
A
An access code which must be programmed into a DMR transmitter to access a specific repeater
B
A code which automatically programs the repeater offset to a frequency chosen by the user
C
A code which identifies the specific CODEC being used so that the repeater can properly decode the audio
D
A code transmitted by the repeater to indicate health and status of the equipment
Answer Notes
In Digital Mobile Radio (DMR) systems, a "color code" acts very similarly to a CTCSS (PL) tone in traditional analog FM repeaters. It is a digital access code programmed into your radio that allows it to use a specific repeater. If your color code does not match the repeater's assigned color code, the repeater will not accept or repeat your transmission.
The distractors describe functions that color codes do not perform. They do not automatically select repeater offsets, identify the specific audio CODEC, or transmit health telemetry. A color code strictly functions as a digital gateway to prevent interference and organize local access.
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What is the purpose of a squelch function?