Instruction Manual

M2 User Manual

M2 Key Features

SEPARATE AM AND FM ANTENNA INPUTS – Industry standard 75-ohm “F” connectors

AM AND FM HIGH LEVEL INPUTS – Industry standard 50-ohm “BNC” connectors; 7vP-P maximum

ANTENNA - HIGH LEVEL INPUT SELECT – User selected for antenna or high-level inputs

STEREO ANALOG OUTPUTS – Balanced (+4dBm) for 100% analog modulation

DIGITAL AUDIO OUTPUT – 110-ohm transformer isolated for HD Radio

broadcast audio IEC320

POWER INLET – Integrated fuse holder on rear panel

SYNTHESIZED, PUSHBUTTON TUNING – AM and FM bands including multicast channels

PRESETS – 20 preset stations for each AM and FM band

DEMODULATED AUDIO LEVEL METERS – Displays Left and Right or L+R and L–R demodulated

audio between +10dB and –64dB Factory preset to display de-emphasized program audio

CARRIER LEVEL METER – Displays positive or negative peaks, or both simultaneously from 46% to

125% with a user programmable measurement integration time Factory preset for 100uSec

HD LOCKED – HD Radio

audio present, indicates digital carrier SN > 58dB/Hz

DELAY BIT – Indicates active analog diversity delay for HD Radio

broadcasts

A-D SPLIT MODE – HD Radio

level, phase and time alignment monitor for analog diversity delay

HEADPHONE OUTPUT – Screwdriver gain control on front panel

PROGRAMMABLE STATUS ALARMS – M2.2R provides 6 dry-contact relays

M2 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 for SNR –20dB referenced to 30% modulation

FM – 5dBf for SNR –30dB referenced to 100% modulation

IF REJECTION AM – greater than 100dB for SNR –20dB

FM – greater than 100dB for SNR –30dB

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

HYBRID ACQUISITION < 4.5 seconds

HD Radio

BLEND LEVEL ACCURACY < 0.5dB

HD Radio

PAD DATA DISPLAY HD Radio

data fields limited to a total of 1018 bytes per

message per iBiquity

specifications.