beautypg.com

M2a-fm technical specifications, Unpacking and installing the m2a-fm – DaySequerra M2A-FM User Manual

Page 6

background image

6

M2A-FM User Manual

M2A-FM Technical Specifications

RF TUNING RANGE

87.9MHz to 108.1MHz in US 200kHz spacing (Export
version has 100kHz spacing.)

FM DE-EMPHASIS

75µsec (Export version has 50µsec de-emphasis.)

RF USEABLE SENSITIVITY

15dBf for -30dB SNR referenced to 100% modulation

IF

REJECTION > 100dB for -30dB SNR

AF

BANDWIDTH

+ 1dB 20Hz to 18kHz

AF

THD+N

< 0.2% @100% modulation

STEREO CHANNEL SEPARATION

50dB off air - typical

RBDS DATA DISPLAY

PI (Program Identification-station call sign) and RT (Radio
Text) fields

CARRIER METER

Positive peaks only, negative peaks only or both
simultaneously; 1% resolution between 120 and 80%, 2%
resolution between 80 and 46%; Measurement integration
time is user programmable - 0.1ms, 0.2ms, 0.5ms or 1.0ms

DEMODULATED AUDIO METER

Left & Right, L+R or L-R, peak responding between

+10dB and -30dB, average responding between -30dB and
-64dB; peak-type measurements of injection level for
19kHz pilot, 67 and 92kHz subcarriers and incidental AM
noise

Unpacking and Installing the M2A-FM

Immediately upon receiving your M2A-FM, 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 M2A-FM is shipped in one carton, which contains: the M2A-FM unit, an AC power cable, a
Torx

TM

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 protect your M2A-FM, 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 1-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 M2A-FM chassis has four rack mounting holes in its chassis and has been
designed to fit in a 19” standard 2RU space. Plastic ‘finishing’ washers are recommended to protect the
painted finish around the mounting holes.

Power Connection. The AC power cable supplied with the M2A-FM must be connected from the M2A-
FM’s IEC320 power entry module to an AC mains outlet with a functional earth ground connection. The