9
M4FM-HD User Manual
Navigation
The M4FM-HD employs a 3-button user interface. From the start ‘HomeScreen’ press the center
button once. An arrow will appear next to the frequency. Use the UP/DN arrow button to toggle the
Arrow on the LCD around the different fields on the HomeScreen. Press the Center button to select a
field to change. The arrow will start to flash indicating that the UP/DN arrows are available to change
the value of the field. Press the Center button to save and exit. To access the SYSTEM menu press
and hold the center button for 3 seconds.
M4FM-HD Operating Description - Controls and Indicators
Front Panel
Figure 1.
Status
•
Alarms
– Bi-colored LED: Green indicates that an alarm is set. Red LED illuminates when an
alarm is active. Red will flash every second when an alarm conditions are met until either the
user disables the alarm or the conditions move outside of the set parameters.
•
HD Locked
– Blue LED illuminates when tuner has acquired OFDM (orthogonal frequency
division multiplexing) portion of an HD Radium signal and digital carrier S/N > 58dB/Hz, thereby
permitting HD Radium digital audio to be valid. HD is displayed in upper right hand corner of
VFD when tuner has acquired OFDM portion of an HD Radium signal.
•
Multicast
– Blue LED illuminates when tuner has acquired OFDM of an Radio
TM
signal and
there is at least one multicast signal present.
•
RF Level
– Bi-colored LED: Green indicates strong RF > 40 dB. Red indicates weak RF < 40
dB.
•
Up Arrow
– Momentary push UP from the Homescreen will enter the Headphone volume menu.
Both arrows are used to increase and decrease the volume. From selection mode Press
ENTER again to change a value in any a field indicating a blinking arrow ready. Use the UP
and DOWN arrows to navigate/toggle through the available choices or range. UP Arrow button
tunes the frequency up one increment while tuning to a new station, when held for three
seconds it tunes faster at 1.5x speed. UP selects next stored preset station in PRESETS mode
(no faster mode, one push per preset). Selects next item in other menus and is used for other
functions as described herein. Holding the UP arrow while powering the unit on will restore
factory settings.
