M3SR Series 4100 Operating Concept
3.14 Operating Manual 6175.4760.02 – 01
In addition, various symbols may be displayed in the menu header (see Figure 3.6).
Table 3.4 Symbols
Symbol Note
Indicates that the radio squelch function currently mutes the audio.
Indicates that the radio squelch function currently unmutes the audio.
Switched to external loudspeaker.
Any transmission and reception are enabled
Any transmission is disabled by softkey ‘TX IHBT’, remote command or external source
connected to X26.20 (TX inhibit)
For details see sect. 9 Drawings Interface description = line TxInhibit.
Any reception is disabled by external source connected to X26.35 (RX inhibit).
For details see sect. 9 Drawings Interface description = line RxInhibit.
Any transmission and reception are disabled (RX and TX inhibit).
For details see sect. 9 Drawings Interface description = line RxInhibit and TxInhibit.
Split Site mode active. Split Site Controller is connected to the selected Split Site Transmit-
ter and Split Site Receiver, both operational (RX and TX possible).
The Split Site Transmitter is in TX-Inhibit and therefore not able to transmit. The Split Site
Receiver is in RX-Inhibit and not able to receive. If only the Transmitter is inhibited only the
'X' of TX is shown red. The same applies if only the Split Site Receiver is at RX inhibit.
Split Site Transmitter and Split Site Receiver are not operational. If only the Split Site Trans-
mitter is not operational only the TX symbol is shown red. The same applies if only the Split
Site Receiver is not operational.
The Split Site Controller is currently configuring the Split Site Receiver and Split Site Trans-
mitter.
Split Site mode active. The Receiver is detached, transmission with the local hardware.
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