background image

 

M2A-FM User Manual 

Welcome 

 
 
Thanks for purchasing the DaySequerra M2A-FM Analog Modulation Monitor.  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 M2A-FM 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 M2A-FM, 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: 

info@daysequerra.com

.

 

 

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 M2A-FM monitor 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!  
 

 
 
 
David V. Day 

and the

 DaySequerra Team

  

 
 
 

 

 

Day Sequerra   154 Cooper Rd. S902   W. Berlin, NJ 08091   Voice 856-719-9900   sales@daysequerra.com   www.daysequerra.com 

                      |                            

                        

 |       

|      

|      

|      

Summary of Contents for M2A-FM

Page 1: ...M2A FM Analog FM Modulation Monitor User Manual Ready ...

Page 2: ...ck 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 info daysequerra com Also please remember to visit our website www daysequerra com for wa...

Page 3: ...2011 All logos and trademark used herein are the property of their respective owners Specifications subject to change M2A FM Revision D M2A FM Features Brilliant accurate bargraph metering of analog programming Multi function vacuum florescent display VFD shows decoded RBDS Precision metering of FM Pilot and SCA injection levels MPX output lets you connect external SCA demodulators Six dry contact...

Page 4: ...re updates Introduction The DaySequerra M2A FM is the world s best analog FM monitor complete with world wide tuning and de emphasis settings The M2A FM measures your analog signal with digital accuracy insuring that readings will remain stable and reliable over time Selectable measurement integration times let you control peak reading for maximum modulation The M2A FM includes a sensitive yet sel...

Page 5: ...Key Features FM ANTENNA INPUT Industry standard 75 ohm F connector FM HIGH LEVEL INPUT Industry standard 50 ohm BNC connector 7VAC Pk Pk maximum ANTENNA HIGH LEVEL INPUT SELECT User selected for antenna or high level input STEREO ANALOG OUTPUTS Balanced 4dBm for 100 analog modulation DIGITAL AUDIO OUTPUT 110 ohm transformer isolated for all broadcasts IEC320 POWER INLET 120VAC with integrated fuse...

Page 6: ...any shipping damage If damage is found or suspected please notify the carrier at once and then contact your dealer The DaySequerra M2A FM is shipped in one carton which contains the M2A FM 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 M2A FM They are specially designed to properly prote...

Page 7: ...ch selects manual FM tuning controlled by UP and DN controls Holding switch in for 5 seconds forces monitor into Forced Mono mode MONO is displayed on 2nd line of VFD Blue arrow LED illuminates when mode is active Holding on startup allows you to select between 100kHz and 200kHz tuning and 75 and 50 uS de emphasis PRESETS The M2A FM has capability to recall 20 preset or stored FM stations using th...

Page 8: ...f Push SELECT to continue R F C A R R I E R L O S S S E T O F F If SET is selected submenu for Level threshold with LOW MED and HIGH options is displayed next LOW option sets RF carrier loss threshold for approximately 10µV 25dBf MED option sets RF carrier loss threshold for approximately 100µV 45dBf and HIGH option sets RF carrier loss threshold for approximately 3KµV 75dBf Use UP and DN switches...

Page 9: ...tches to toggle the setting and highlight the desired option Push SELECT switch to continue A U D I O L E V E L L O W M E D H I G H Submenu for Alarm Delay with 30 60 120 and 240 second options is displayed next Use UP and DN switches to toggle the setting and highlight the desired option A L A R M D E L A Y 3 0 6 0 1 2 0 2 4 0 S Push SELECT switch to save and increment the menu to the next alarm ...

Page 10: ...ration menu select OFF to set this alarm function to off Push SELECT to continue P I L O T P R E S E N T S E T O F F If SET is selected submenu for Alarm Delay with 30 60 120 and 240 second options is displayed next Use UP and DN switches to toggle the setting and highlight the desired option A L A R M D E L A Y 3 0 6 0 1 2 0 2 4 0 S Push SELECT switch to save and increment the menu to the next al...

Page 11: ...for Modulation Level is displayed next Use UP and DN switches to vary the setting between 100 125 Set the Modulation to the desired trigger level Push SELECT to continue M O D U L A T I O N L E V E L 1 0 5 If SET is selected submenu for Alarm Delay with 30 60 120 and 240 second options is displayed next Use UP and DN switches to toggle the setting and highlight the desired option A L A R M D E L A...

Page 12: ... e all front panel controls are inhibited except for PANEL LOCK switch analog and digital audio outputs continue VFD alternates between displaying FRONT PANEL LOCKED and normal display for tuned station Blue arrow LED illuminates only when switch is being pushed or when mode is active Holding PANEL LOCK switch for 5 seconds un blanks all front panel controls and indicators and returns M2A FM to no...

Page 13: ...dicates relative RF signal level received at the antenna connector on the M2A FM rear panel A minimum of 5 RF signal strength segments must be illuminated indicating 65dBf for accurate demodulation and carrier level measurements Headphones Recessed screwdriver control adjusts headphone output level on recessed TRS jack Default set at the factory is 7 0dBm 0 1VAC Pk Pk SCA and AM Measurements Overv...

Page 14: ...N switches can be used to select another subcarrier frequency to be measured or the Carrier Modulation Select switch can be used to exit the Sub Pilot injection level measurement mode If the UP and DN switches are used to select another subcarrier frequency to be measured in this case the 57kHz SCA the process is identical to that described above In this example the VFD now indicates the 57 kHz su...

Page 15: ... Peak Alarm 15 14 11 M2A FM Ethernet Port Option The M2A FM Ethernet Port Option offers DaySequerra s Remote Dashboard TM software a proprietary PC based application and an Ethernet interface to provide remote control monitoring for FM broadcasts as well as a robust alarm panel Please email your M2A FM serial number and contact information to support daysequerra com or register your unit on our we...

Page 16: ... customer accordingly DaySequerra reserves the right to replace any product that has been discontinued from its product line with a new product of comparable value and function This warranty shall be void in the event a covered product has been damaged or failure is caused by or attributable to acts of God abuse accident misuse improper or abnormal usage failure to follow instructions improper ins...

Reviews: