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Crestron C2N-TFM FM Radio Tuner
Operations Guide - DOC. 6233A FM Radio Tuner: C2N-TFM • 19
C2N-TFM Sub-Slot 01: FM Tuner Controls Digital Input and Output Signals
C2N-TFM Digital Input and Output Signal Descriptions
SIGNAL TYPE
AND NAME DESCRIPTION
Input:
<FM_MuteAll>
Mute toggle.
Mutes the speaker and headphone audio for as long as
the input is high. Un-mutes the audio when the input goes
low.
High/1 = Mute FM audio; Low/0 = Un-mute FM audio
Output:
<FM_Mute-F>
Indicates that FM audio is muted. The output will be high
for as long as the audio remains muted.
Audio will mute whenever:
1) the <MuteAll> input is high; or
2) auto-mute is turned on and the signal strength is too
weak; or
3) when the FM antenna is removed.
The auto-mute feature is turned on and off via the
<AutoMute/AutoMono_Dis> input described later.
High/1 = FM audio muted; Low/0 = FM audio not muted
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