Maytel HELMET CLIP INTERCOM, Руководство пользователя

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page 7 HC-2.4G User’s Manual
Figure 1 Transmission of beacon/voice signal from Master
Beacon Signal
Slave
Slave
Slave
Voice Signal
Slave Main Master Sub Master
Subgroup M Subgroup S
4. RM Mode
RM operates as Main Master, Sub Master, and Slave depending
on the ID setting of the device. Main Master sends beacon signals for
group communication as shown in the Figure 1.
Sub Master receives the beacon signal from the Main Master and sends
it back to Subgroup S. Slaves work in synchronization with beacon
signals from the Main/Sub Masters.
Main Master relays the voice received from the Subgroup M to the Sub
Master. Sub Master send this relayed voice to the Subgroup S.
Sub Master relays the voice received from the Subgroup to the Main
Master. The Main Master sends this relayed voice to the Subgroup M.