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Chapter 4 Radio GUI manual
guide
This section introduce the FMR application and describe the function of each component
that are found in GUI. Refer Chapter 1 for SF16-FMR2 FM radio board info.
(4-A) Introduction of GUI
FM application by Mediaforte is a user friendly FM radio GUI. When you launched
"fmr2appl" either through Xterm terminal or through desktop short cut
icon, you will see that a dialog box pop-out and display on the screen "FMR2
application by Mediaforte".
FMR2 GUI consists of 3 row of components. First row consists of a LED display panel and 10
preset station button. Second row consists button like On/Off button, Memory button, Fine
Tune Down button, Fine Tuner Up button, Auto Scan Down button, Auto Scan Up button, Mute
On/Off button, Stereo/Mono Toggle button and Additional Option buttons. Third row consists
FM Radio status bar and Volume control sliding bar.
(4-B) GUI Components Description
a. LED displayed panel
This component displays the correspond radio station frequency band (88
~ 108 MHz), system clock (hh:mm) and the preset station button number been pressed.
b. 1 ... 10 buttons
Each button can store one preset FM radio frequency. Clicking on any of
these button, preset station is tuned and LED displayed panel will update station
frequency band and station number. To store new station frequency, click MEMORY button and
follow by Station # button. The old preset station frequency is overwritten by new station
frequency.
c. On/Off button
This component acts as a power switch to turn off Radio GUI. Clicking
on this button, an "Application Exit Dialog Windows"
pop-out on the screen; you can choose to exit GUI with Radio tune on background or not or
cancel operation.
Yes - Turn off GUI and Radio Music continue to play on background .
No - Turn off GUI and Radio Music is muted and turn-off GUI.
Cancel - Cancel operation.
d. Memory button
This component memorize station frequency and store them in any station
number #. Clicking on MEMORY button and follow by Station # button. The old preset
station frequency is overwritten by new station frequency.
e. Fine Tune Down and Fine Tuner Up button
This component performs 50kHz decrement or increment fine-tuning to
achieve best radio sensitivity.
f. Auto Scan Down and Auto Scan Up button
The component performs automatic search downward via down button
pressed or upward via up button pressed.
g. Mute On/Off button
This component mutes and UN-mutes radio volume. "Muted"
will be appear on FM Radio Status Bar
h. Stereo/Mono Toggle button
This component toggles the radio channel between Stereo and Mono.
You may like to use this feature if your receiving station keep swinging
between stereo and mono vigorously.
i. Additional Option button
This component consists additional feature such as Sleep, Alarm, Mixer
Control and Search Strength. Clicking on this button will launch "Options
Dialog Windows" on the screen. To return to Radio GUI, this window box
need to be closed.
Sleeps Setting Dialog Window:
Allow you to activate sleep range from 1 to 59
minutes.
To cancel this operation, click cancel button.
Sleep is reset
to off immediately after this operation take
place.
Alarm Setting Dialog Window:
Allow you to activate wake-up at specific time
(hh:mm)
at specific station #. You need to click "Alarm
on/off "to ON
to enable this feature. The next time you
launch GUI, Alarm
will be ON till you turn-off this feature.
Mixer Option Dialog Window:
Allow you to select either controlling Sound
card mixer or
Power-amp SF16-FMR2. If your SF16-FMR2 is non
power-amplifier
version, then "On board
Amp" is automatically shadowed.
Without Sound card present, "Sound Card
Mixer" is shadowed too.
You will notice that the volume sliding bar is
inactive if
both are shadowed.
If your SF16-FMR2 is Power-amplifier version,
then
choose "on-board Amp"
. Sliding the volume bar correspond to
your SF16-FMR2 mixer.
If you install Sound card, you may want to
choose "Sound Card
Mixer". Sliding volume bar
correspond to your sound card mixer.
Search Sensitivity Option Dialog Window:
Allow you to set different degree of
sensitivity to search
radio station. (Low, Medium, High, Very High)
If you are located near to radio station, you
may need to
reduce your sensitivity strength level vie
versa. You may
experience some difficulty to distinguish the
different.
j. Radio status
The status bar indicates to listener whether your FM radio is
functional normal or in muted state, receiving Stereo or Mono
station, Memory button is suppressed. For example :
Stereo Normal Tune Memory
This mean FM radio station is Stereo channel, tuned, MEM button is
pressed and waiting for your next action (i.e. pressed any numeric
button to store that station frequency)
k. Volume control sliding bar
This components provide volume control to SF16-FMR2 power-amplifier
or sound card mixer. Your extreme left indicates Minimum and extreme right indicates
Maximum.
If SF16-FMR2 Power-amplifier version is used, "on-board
Amp" is automatically selected. Sliding the volume
bar correspond to
your SF16-FMR2 mixer.
If Sound card is installed, you may choose "Sound Card
Mixer".
Sliding volume bar correspond to your sound card mixer.
If sound card not present and SF16-FMR2 non Power Amplifier
version is used, then volume bar is inactive. You will have to control
directly from the volume control knob of your speaker.
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