DaySequerra M4.2 User Manual

M4.2

TimeLock™

AM-FM

HD Receiver

User Manual

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M4.2Si TimeLock User Manual

Welcome"

Thanks for purchasing the DaySequerra M4.2 TimeLock™ AM-FM Digital Radio Receiver. We design
and build all of our DaySequerra products to be completely reliable and easy to use, so you can
concentrate on producing great sounding broadcasts, not struggling with complicated equipment or
difficult to use product manuals.

While the M4.2 TimeLock™ has been designed to be straightforward to use, we do suggest that you
spend a few minutes familiarizing yourself with the features and operational functions that are
contained in this manual.

DaySequerra has been building broadcast quality products since 1989. The technology developed for
the M4.2 TimeLock™, and all of our products, has evolved through a process of user feedback,
extensive listening, field-testing and careful refinement.

In the event that you encounter any technical or operational difficulties with this or any DaySequerra
product, please feel free to contact us at 856-719-9900. Our office hours are from 9 to 5 ET, Monday
through Friday. Or you can email your questions to: [e-mail].

Also, please remember to visit our website www.daysequerra.com for warranty registration and the
latest DaySequerra product information.

We have worked hard to ensure that your DaySequerra M4.2 TimeLock™ HD Radio Receiver will
reliably serve as a flawless link between the transmitter and your monitoring facility, or as the primary
broadcast reference source in your studio.

We sincerely hope our products help you achieve a new level of excellence in your work!

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David V. Day

and the DaySequerra Team

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M4.2Si TimeLock User Manual

Table of Contents

Important Safety Information 4

Service Information 4

Introduction 4

M4.2 TimeLock™ Key Features 5

Technical Specifications 6

Unpacking and Installing 7

Operating Description - Controls and Indicators 8

Front Panel 8

Rear Panel 9

LCD Display 10

System Menu 11

Alarm Configuration 11

WebServer 16

Restore Factory Settings 23

Three Year Warranty 24

All rights reserved DaySequerra Corp. Copyright 2009.

All logo s and trademark used herein are the property of their res pective owners.
Specifications subject to change .

M4.2 TimeLock™

M4.2 TimeLock™ - Features

•

Robust 24/7 performance - stays locked to AM-FM analog, HD-1 or selected
multicast stream during power or I2E interruptions; does not automatically

revert to analog!

•

Proprietary TimeLock™ Algorithm – Measures HD Radio Diversity Delay
time alignment of the HD Radio MPS and HD-1 audio streams with accuracy
to one audio sample, includes TimeLock rear panel alarm tally and email alert.

• Built-in Webserver – Remote Dashboard

webserver for remote control and
logging using any browser on your Ethernet network; 15 presets per
band; Artist Experience displays album art, station logo, and advertiser

branding; remote Flash upgrades; password protected access.

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M4.2Si TimeLock 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 exceed +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 M4.2 TimeLock™ to an uninterruptible power supply (UPS)
to provide other protection against power surges and brownouts.

Service Information

The DaySequerra M4.2 TimeLock™ 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 M4.2 TimeLock™ so we can keep you informed of
the latest hardware and software updates.

Introduction

DaySequerra's new M4.2 TimeLock™ AM-FM Digital Radio Receiver is the most capable next­generation HD Radio™ platform available today.

With the M4.2 TimeLock™ you can monitor audio and data from your analog and HD Radio broadcasts
including FM multicast channels HD-2 through HD-8. The M4.2 TimeLock™ has no AUTO-Blend
function so it stays locked to the stream you've selected even if the broadcast or your AC power is
interrupted. Hear your HD Radio time-alignment using the M4.2 TimeLock™ built-in Split-Mode. With
the optional TimeLock™ Monitor, the M4.2 TimeLock™ will even send an email if your MPS and HD-1
streams are out of time-alignment. The Remote Dashboard webserver simplifies your under 3-minute
setup and provides total remote control of the M4.2 TimeLock™ using any browser on your Ethernet
network. Plug and Play

Please read this manual thoroughly before operating your M4.2 TimeLock™.

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M4.2Si TimeLock User Manual

M4.2 TimeLock™ Key Features

• Robust 24/7 performance - stays locked to AM-FM analog, HD-1 or selected multicast stream
during power or I2E interruptions; does not automatically revert to analog!

• Bright LCD front panel display of RBDS and HD Radio PAD, along with network and alarm
conditions

• Full-time AES-3 Professional digital audio output even when tuned to non-HD signal

• XLR balanced analog outputs +4 dBm @ 100% modulation; Split-Mode so you can hear your

HD Radio time-alignment

• High performance headphone monitor delivering greater than 1W into 8-ohm

• Remote Dashboard provides total remote control and display of RBDS and all HD Radio

PAD/SIS, network and alarm conditions along with audio level, digital audio quality and carrier
quality indications

• Webserver compatible with any browser on your Ethernet network

• Rear panel alarm tallies for loss of Audio, Carrier, and OFDM Lock and Multicast Loss

• Optional TimeLock™™ Monitor for time-correlation of MPS and HD-1 streams

• Alarms can be emailed to your phone

• Remote reset via rear panel GPI

• Front panel reset – no rear panel power switch

• Remote updates tolerant of high latency networks

• Direct file upload for easy off-line updates

• Use your wireless router for remote control using your Android® or iPhone®

• Also available with RCA outputs - order model M4.2 TimeLock™-RCA

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M4.2Si TimeLock User Manual

M4.2 TimeLock™ Technical Specifications

RF Tuning Range

AM: 520 kHz to 1720 kHz in 9 KHz or 10 kHz increments
FM: 87.9 MHz to 108.1 MHz in 100 KHz or 200 kHz
increments

RF Usable Sensitivity

AM: <20 dBf (-100 dBm) for SNR -20 dB referenced to
30% modulation
FM: <15 dBf (-100 dBm) for SNR -30 dB referenced to 100%
modulation

RF Input F-Type 75 ohm

AM-FM: -55 dBm Nominal: -20 dBm Maximum

IF Rejection

AM: > 100 dB for SNR -20 dB
FM” > 100 dB for SNR -30 dB

AF Bandwidth

AM: +/- 1 dB, 40 Hz to 15 kHz
FM: +/- 1 dB, 20 Hz to 20 kHz

FM De-emphasis

75 uSec

Analog Audio Outputs – Left/Right
Balanced XLR

+4 dBm into 600 ohm at 100% modulation

Digital Audio Output

AES-3 Professional, 110Ω transformer-isolated on XLR
connector
0 dBFS <.005% THD+N using HD Radio™ input

HD Radio Hybrid Acquisition

<4.5 seconds

HD Radio Split Mode

MPS Left (on R output) and HD-1 (on L output) on Analog,
Digital and Headphone audio

Alarm Notification

Rear panel tallies, front panel indications and email for loss of
Audio, Carrier, and OFDM HD Radio Lock

RBDS Data

Pl (Call Letters), PS (Program Service), PTY (Program Type),
and RT (Radio Text)

HD Radio PAD and SIS Data

SIG, SIS, Extended SIS, AAAS, and LOT; PAD including
station long and short name, program type, song file artist,
album, genre and comment fields

AC Power

Auto-sensing 85-264VAC, 47-63Hz input

Environmental

Operating Temperature: +41 to +105 F (+5 to +40 C) Storage
Temperature: -13 to +140 F (-25 to +60 C) Relative Humidity:
Maximum 85%, non-condensing

Dimensions

1 RU EMI-hardended: 19” (482mm) W x 14” (355mm) D x

1.75” (44mm) H

Shipping Weight

12 lbs. (5.4 kg)

Warranty

Three years, limited parts and labor

M4.2 TimeLock™ Options

M4.2 TimeLock™ RCA – Unbalanced analog and digital
audio outputs on RCA connectors installed in place of
standard XLR Connectors.
M4.2 TimeLock™ Monitor – Provides time-alignment
correlation for MPS and HD-1 streams; rear panel AUDIO
ALARM tally and email notifications. Field-installable
upgrade.

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M4.2Si TimeLock User Manual

Unpacking and Installing the M4.2 TimeLock™

Immediately upon receiving your M4.2 TimeLock™, please make a careful inspection for any shipping
damage. If damage is found or suspected, please notify the carrier at once and then contact your
dealer." " The DaySequerra M4.2 TIMELOCK™ is shipped in one carton, which contains: the M4.2
TimeLock™ unit, an AC power cable, a TorxTM T-8 L-key and this User Manual.

We strongly encourage you to save the shipping carton and shipping materials supplied with
your M4.2 TimeLock™. They are specially designed to properly protect your M4.2 TimeLock™, and in

the event that you need to return it for service, only these OEM shipping materials can ensure its safe
return to our factory.

We provide a limited 3-year warranty on all of our products, but if you don’t register your unit, it’s hard
for us to contact you when software updates become available. So please take a few minutes to

complete the warranty registration form on our web site, www.daysequerra.com. Thank you!

Rack Mount Installation. The M4.2 TimeLock™ chassis has four rack mounting holes in its chassis

and has been designed to fit in a 19” standard 1RU space. Plastic ‘finishing’ washers are
recommended to protect the painted finish around the mounting holes.

Power Connection. The AC power cable supplied with the M4.2 TimeLock™ must be connected from
the M4.2 TimeLock™’s IEC320 power entry module to an AC mains outlet with a functional earth
ground connection. The M4.2 TimeLock™ has been set at the factory to operate at 120VAC unless
otherwise specified on the shipping carton. The M4.2 TimeLock™ export version is configured for
240VAC operation. Please connect your M4.2 TimeLock™ to an uninterruptible power supply

(UPS) to protect against power surges and brownouts.

Antenna Input Connections. Separate 75ohm F-type connector is provided on the M4.2 TimeLock™
rear panel for dedicated AM and FM antennas

Audio Output Connections. Analog audio left and right outputs are on rear-panel XLR connectors

with pin 1 GND, pin 2 + and pin 3 -. The digital audio output is transformer-isolated in S/PDIF format on
a rear-panel XLR connector with pin 1 GND, pin 2 XFMR and pin 3 XFMR. The M4.2 TimeLock™
digital audio output is 5.1 surround capable.

Ethernet Connection - The M4.2 TimeLock™ Ethernet Port offers the use of DaySequerra’s
Webserver by connecting the M4.2 TimeLock™ to any networked computer with Internet access. The
use of crossover cables can be used in areas where a network connection is not possible. More
information on the Webserver can be found at the end of this manual. The Ethernet port with the aid of
the webserver will keep the M4.2 TimeLock™ up to date on all Firmware upgrades by checking,
downloading and installing with the click of the ‘Check Firmware’ button on the webserver. (An Internet
connection must be available for ‘Firmware Upgrade’ to work. UPON RECEIVING THE UNIT IT IS

ENCOURAGED TO ‘CHECK FIRMWARE’ FROM THE WEBSERVER TO BE SURE YOUR M4.2
TimeLock™ IS USING THE MOST RECENT FIRMWARE AVAILABLE.

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M4.2Si TimeLock User Manual

Navigation

The M4.2 TimeLock™ employs a simple 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.

M4.2 TimeLock™ Operating Description - Controls and Indicators

Front Panel

Figure 1.

Status

• Alarms – illuminated red when an alarm is enabled and flashes red every second when an
alarm condition is active.

• HD Locked – Blue LED illuminates when tuner has acquired OFDM (orthogonal frequency
division multiplexing) portion of an HD RadioTM signal and digital carrier S/N > 58dB/Hz,
thereby permitting HD RadioTM digital audio to be valid. HD is displayed in upper right hand
corner of VFD when tuner has acquired OFDM portion of an HD RadioTM signal.

• Multicast – Blue LED illuminates when tuner has acquired OFDM of an HD RadioTM 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.

• Down Arrow – Momentary push DOWN 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.