4
M4DDC User Manual
Important Safety Information
•
Indoor use only. Not for use in wet or damp environments.
•
Maximum Relative Humidity: <80%
•
Class I Equipment (grounded type)
•
Electrical rating: 100-120/220-240V~50-60Hz 18W
•
Fuse Rating: 2A 250V 20MM
•
AC Mains supply voltage fluctuations are not to 10% of the nominal voltage
•
Operations temperature range -40
°
C to 70
°
C
•
Maximum altitude: 3000m (9843ft)
•
Equipment suitable for continuous operation
•
Weight: 5.4kg (12lbs) equipment only; 8.2kg (18lbs) shipping
Important Note: Please connect your M4DDC to an uninterruptible power supply (UPS) to
provide other protection against power surges and brownouts.
Service Information
The DaySequerra M4DDC contains no user serviceable components inside the unit. Please contact
DaySequerra for repair and upgrade information. In the event that your unit needs to be returned to the
factory, contact us for a return authorization number. The monitor ID and firmware version is
momentarily displayed at start-up for your convenience.
Please visit www.daysequerra.com and
register your new M4DDC so we can keep you informed of the latest hardware and software
updates.
Introduction
The DaySequerra M4DDC Diversity Delay Control is a purpose-built, 1 RU, stand-alone AM or FM
solution and runs DaySequerra’s new proprietary TimeLock
TM
algorithm to automatically maintain
perfect time and audio level alignment of the HD Radio
TM
MPS and HD-1 audio streams.
The M4DDC receives the off-air broadcast measures the time difference between the MPS and HD-1
streams, automatically generates correction vectors necessary to compensate for the offset, and
maintains perfect alignment between the two streams.
Please read this manual thoroughly before operating your M4DDC.
