DaySequerra M4 Series Manual do utilizador - Página 7

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MODE - SERVICE – Default is Auto mode.
Momentary push activates multicast tuning when a
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multicast signal is present. Holding switch in for 5 seconds when locked to an HD Radio
station,
forces tuner into Analog mode. Blue LED illuminates only when switch is being pushed, or when
multicast tuning or Analog mode is active. In any active mode, second push of MODE – SERVICE
returns tuner to Auto mode.
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FORCING – Activates A-D SPLIT mode to permit monitoring of HD Radio
analog-to-digital level and
time alignment. Blue LED illuminates when mode is active.
DATA - DISPLAY and DATA - DISPLAY Menu – Selects decoded RBDS from analog broadcast
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(M4.2R only) and PAD data from an HD Radio
broadcast for display on the second line of the VFD.
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Momentary push DATA - DISPLAY switch scrolls display through each RBDS and HD Radio
PAD
data field, as described below. Holding DATA - DISPLAY switch in for 5 seconds activates DATA -
DISPLAY menu.
The firmware version, e.g., "v4.0.9 A3.2.1" is displayed for 5 seconds before
displaying the first menu option. The menu's first selection enables or disables "Scrolling Data" mode
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when tuner displays each RBDS and HD Radio
PAD data field for approximately 5 seconds before
scrolling to the next field. UP or DN switches toggle the setting; pressing "SELECT" saves the setting
and increments the menu to the next field. The second menu field enables or disables "Audio Muting."
Next press of "SELECT" saves the setting and exits the menu. Blue LED illuminates only when mode
is active. Default is AUTO mode with station short name to be displayed in second line of VFD when
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tuned to an HD Radio
station.
HD LOCKED – Blue LED illuminates when tuner has acquired OFDM (orthogonal frequency division
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multiplexing) portion of an HD Radio
signal and digital carrier S/N > 58dB/Hz, thereby permitting HD
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Radio
digital audio to be valid. HD is displayed in upper right hand corner of VFD when tuner has
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acquired OFDM portion of an HD Radio
signal.
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MULTICAST – Blue LED illuminates when tuner has acquired OFDM of an HD Radio
signal and
there is at least one multicast signal present.
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DELAY SET – Blue LED illuminates when tuner has acquired OFDM of an HD Radio
MPS signal and
the analog diversity delay is active. The LED is off when there is no delay bit set; i.e., "ball game mode"
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meaning that the analog program has not been delayed to be coincident with the HD Radio
MPS
signal.
LEFT AUDIO – Blue LED illuminates when Left program audio is present.
RIGHT AUDIO – Blue LED illuminates when Right program audio is present.
PEAK LEVEL – Red LED illuminates when Left or Right program audio exceeds +4dBm (100%
modulation).

M4 Series Operating Description

Power-up and Standby. The Power switch is located on the rear panel of the M4; when switched on
the tuner displays the hardware and software version for your M4 to be displayed for 3 seconds on the
M4's VFD.
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M4 User Manual