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FM Radio Tuner Crestron C2N-TFM
22 • FM Radio Tuner: C2N-TFM Operations Guide - DOC. 6233A
C2N-TFM Digital Input and Output Signal Descriptions (continued)
SIGNAL TYPE
AND NAME DESCRIPTION
Input:
<FM_Save_Preset>
Saves the current station to the preset given by the
<FM Presets> analog.
Users can save a preset by pressing the local Save
button on the C2N-TFM when the tuner is in PRE
mode; or from remote buttons defined on a touchpanel
or other interface.
High/1 (rising edge) = Save preset; Low/0 = No effect
Input: <FM_Mono>
Sets the tuner to mono when high. When low, the tuner
operates in stereo.
High/1 = Set tuner to mono;
Low/0 = Set tuner to stereo
Output:
<FM_Mono-F>
Indicates that the tuner is in the mono state. When low,
indicates that the tuner is operating in stereo.
The tuner will go into the mono state whenever:
1) the <FM_Mono> input is high; or
2) auto-mono is turned on and the signal strength is
weak.
High/1 = In mono mode; Low/0 = In stereo
Inputs:
<FM_Search+>,
<FM_Search->
Searches in the up (+) or down (-) direction for FM
stations, for as long as the signal is high.
Users can search for stations by pressing remote
search buttons defined on a touchpanel or other
interface. (The C2N-TFM does not provide local search
buttons.)
The Search function will continue until:
1) the remote search button is released; or
2) it wraps around to the original station, if that station
is searchable; or
3) if the original station is not searchable, after
maximum repeats.
High/1 = Search up or down (search button pressed);
Low/0 = Stop search (search button released)