SharkRF openSPOT - Call Mute Settings; Beeper Settings

DMR transceiver
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This section is only available if Advanced mode is enabled.
These settings allows you to lock the openSPOT4 to the given IDs and/or
callsigns. If lock is enabled, the openSPOT4's modem will only allow calls
originating from the given IDs or callsigns.
Call mute settings
This section is only available if Advanced mode is enabled.
These settings allows you to mute calls coming from the given IDs and/or
callsigns (both coming from the network and the modem). Calls from muted
IDs/callsigns will still be transmitted, but with silent audio.
Beeper settings