DaySequerra M4 Series, User Manual

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M4 User Manual
M4 Series Key Features
SEPARATE AM AND FM ANTENNA INPUTS – Industry standard 75-ohm “F” connectors
STEREO ANALOG OUTPUTS – Balanced (+4dBm) for 100% analog modulation on XLR connectors
DIGITAL AUDIO OUTPUT – 110-ohm transformer isolated XLR for HD Radio
TM
broadcasts
IEC320 POWER INLET – Integrated fuse holder on rear panel
SYNTHESIZED TUNING – AM and FM bands including multicast channels each with 20 presets
VACUUM FLUORESCENT DISPLAY – Multi-function VFD for tuner and station status
LEFT AND RIGHT AUDIO LEDS – Audio signal present indication
PEAK LEVEL LED – Flashes red for over +4dBm demodulated audio output (either channel)
HD LOCKED – HD Radio
TM
audio present, indicates digital carrier S/N > 58dB/Hz
DELAY SET – Indicates active analog diversity delay for HD Radio
TM
broadcasts
HEADPHONE OUTPUT – Recessed screwdriver gain control on front panel
A-D SPLIT MODE – HD Radio
TM
level, phase and time alignment monitor for analog diversity delay
RBDS DECODING – (M4.2R only) Program Service (PS) and Radio Text (RT) fields displayed on VFD
PROGRAMMABLE STATUS ALARMS – M4.2R and M4.0X PLM option provides 6 dry-contact relays
FULL TIME DIGITAL AUDIO OUTPUT – (M4.2R only) For HD Radio
TM
and analog broadcasts
M4 Series Technical Specifications
RF TUNING RANGE AM – 520kHz to 1720kHz in 10kHz increments
FM – 87.9MHz to 108.1MHz in 200kHz increments
RF USEABLE SENSITIVITY AM – 5dBf (0.9µV) 20dB SNR at 30% modulation
FM – 5dBf (0.9µV) 30dB SNR at 100% modulation
RF USEABLE INPUT RANGE 15µV to 30KµV – AM or FM
IF
REJECTION AM – greater than 100dB for 20dB SNR
FM – greater than 100dB for 30dB SNR
AF BANDWIDTH AM – + 1dB 40Hz to 15kHz
FM – + 1dB 20Hz to 20kHz
AF THD+N < 0.005% (digital audio)
STEREO CHANNEL SEPARATION > 90dB (digital audio)
HD Radio
TM
HYBRID ACQUISITION < 4.5 seconds
HD Radio
TM
BLEND LEVEL ACCURACY < 0.5dB
HD Radio
TM
PAD DATA DISPLAY HD Radio
TM
data fields limited to a total of 1018 bytes per
message per iBiquity
TM
specifications.