When need to receive more contacts besides the priority contact at the same time, you can set the Rx group. How to set Rx group on the Ailunce HD1? I'll show an example to you.
1. radio-1: set a DMR available channel
1>. Please upgrade the firmware of the radio to V1.64, and program your radio with the latest software.
2>. The radio can receive all message of Rx group, but can't transmit directly except for the selected priority contact.
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