7 DMR DIGITAL COMMUNICATIONS
DMR is a generic name for a digital communication system protocol utilizing 4-level FSK. The repeater can
communicate by transmitting and receiving digital signals on a DMR digital channel.
7.1 About Own ID
To initiate various communications using DMR by using the Test PTT control, the Unit ID (Own) that is the
identification code of the repeater needs to be configured for the repeater.
One Unit ID (Own) can be configured for each repeater.
Note
If the repeater is operated by using the IPRCI command in IP Interface Protocol, the Unit ID (Own) of the repeater
needs to be configured as the destination for transmission.
Configuration using KPG-D7
・ Configuring Unit ID (Own) ( Edit > Protocol Options > Unit ID (Own))
7.2 About the Slot Number (Slot Selection)
In DMR, the repeater communicates using the predetermined slot according to the standard.
When DMR digital transmission is initiated by using the Test PTT control or External PTT control, the repeater
transmits using the slot configured in Slot Selection.
The slot number (1 or 2) to be used for communications can be configured for each channel by using KPG-D7.
If the Slot is switched by using Remote Control of the Web Tool or the “Slot Select” menu on the OLED display, Slot
Selection behaves in the Slot switched by using Slot Select, regardless of the configuration in Slot Selection.
However, during the transmission by using the Test PTT control or External PTT control, the Slot cannot be switched
by “Slot Select”.
Configuration using KPG-D7
・ Configuring Slot Selection ( Edit > Channel Information > Channel Edit > Slot Selection)
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