Samsung HARMAN AKG DMS100 Quick Start Manual page 15

DMS100 – Ui24R IOSYS Messages
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"DHT100" = DMS100 handheld transmitter or "DPT100" = DMS100 pocket/bodypack transmitter
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Channel ID colors "G" = green, "B" = blue, "Y" = yellow and "P" = purple
DMS300 – Ui24R IOSYS Messages
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"DHT300" = DMS300 handheld transmitter or "DPT300" = DMS300 pocket/bodypack transmitter
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The channel ID numbers are "1", "2" up to ......"8"