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FM Radio Tuner Crestron C2N-TFM
14 • FM Radio Tuner: C2N-TFM Operations Guide - DOC. 6233A
button changes the frequency scan and step rate from 100 kHz to 50 kHz (the 50 kHz
rate is needed in European radios); the Mute button which mutes/unmutes the audio
output to the speakers and the headphones; and the Program button which
enables/disables programming of station presets on the touchpanel.
The middle section of the screen includes twenty preset buttons that can be
programmed to permit easy selection of favorite stations. It also includes the Auto
Mono and Auto Mute indicators; the Mono and the Auto Mute & Mono Disable
buttons, the selected Frequency display, and a graphic signal strength indicator.
This section also provides displays of RBDS/RDS data for Name/Category, PTY
Name, RDS type, Traffic information types, UTC Clock for GMT date and time
display, and a single-line window that displays up to 64 alphanumeric characters of
station/program/artist information.
The lower portion of the screen contains twenty-six Search By Type buttons and
three Search For Traffic Report buttons (TA, TP, TA/TP), both search operations
made possible by the RDS/RBDS circuits. Also included in this section are the +/-
SEARCH buttons, a Scanning/Searching indicator, a frequency selection keypad,
+/- Tune buttons, +/- Scan buttons, and +/- Headphone buttons along with a
graphic display to show the relative volume level.
RDS/RBDS Features
The RDS/RBDS data features included in the example program are just some of the
functions that can be utilized. Refer to “Appendix: RDS/RBDS Function Support”
on page 41 for more information.
Presets
The presets feature allows you to specify up to twenty FM stations that you wish to
select quickly. Initially, each one is set to 106.7.
To set up the presets, press Program, tune in a station, and press one of the preset
buttons to save that station frequency in that preset location.
Mute
Use this button to mute/unmute the audio signal to the headphones as well as to the
AUDIO OUTPUT connectors.
Mono Mode and Mono Status/Mute Status Functions
The Mono button lets you select mono mode in those instances where the station
signal is low and the stereo quality is poor. The FM Tuner automatically selects a
mute mode or mono mode if the signal level is low and the mono mode is off. The
Auto Mute & Mono disable button lets you override the FM Tuner’s automatic
mute and mono mode functions.
Tuning/Search Functions
The example program enables several types of station selection operations.
• You can enter a specific station number using the keypad in the bottom
section of the screen. Select the station number and press ent to enter the
selection. Your selections appear in the blue Frequency display as you
enter them. Press clr to clear your selection if you make a mistake.
• Use the Tune +/- buttons to select frequencies in 100 kHz steps (50 kHz in
Europe mode).