Wegener muzak FM2 1999 Instruction Manual Download Page 13

13

1999-001

4.2

SPECIFICATIONS

Table 4-2 lists the technical characteristics and specifications of the receiver.

TABLE 4-2.  MODEL 1999 

FM

2

® ADDRESSABLE SATELLITE

 

AUDIO RECEIVER, TECHNICAL SPECIFICATIONS

Characteristic

Specification

RF Input

F Connector 75 ohm typ.

RF Frequency Range

950 to 2050 MHz

RF Frequency Selection

Synthesized, 256 kHz steps, Network controlled

Input Level Range

-30 to –60 dBm

Noise Figure

18 dB

AFC Range

+/- 4 MHz

IF Bandwidth

17.5 MHz

Subcarrier Frequency Range

0.150 to 4.60 MHz

Audio Output Impedance

1000 ohm typical

Audio Output Level

Adjustable, –6 .0 to +4.0 dBm, at ppl

Audio Output Level (boosted )

6 dB above normal

FM Deemphasis

300 uS for 7.5 KHz

75 uS for 15 KHz

Audio Mute

>60 dB

Audio Fade

30 dB over 2 seconds (typ.) followed by mute

THD @ 1Khz

<1.0%

Audio Processing

Wegener PANDA® I

Audio Subcarrier Frequency Selection

Synthesized, 2.5 kHz steps, Network Controlled

LNB Power

Rectified/filtered so as to produce Instantaneous

voltage, 15V minimum with 170 mA maximum

current (short circuit protected; ripple never drops

below 15V)

Power Requirements

External Transformer

Input Voltage 105 to 130 VRMS

Frequency

47 to 63 Hz

Consumption 22 watts

PANDA is a registered trademark of Wegener Communications, Inc.

Summary of Contents for muzak FM2 1999

Page 1: ...permission of Wegener Communications Inc When ordering parts from Wegener Communications Inc be sure to include the equipment model number equipment serial number and a description of the part In all...

Page 2: ...interfering sources to existing services Any damage to this unit caused by improper wiring interconnections will void any warranty extended The following warranty applies to all Wegener Communications...

Page 3: ...OCEDURE 9 3 4 TUNING 9 3 5 AUDIO OUTPUT LEVEL 9 SECTION 4 TROUBLESHOOTING SPECIFICATIONS AND SERVICE 4 1 TROUBLESHOOTING 12 4 2 SPECIFICATIONS 13 4 3 SERVICE 14 LIST OF TABLES 2 1 Model 1999 FM2 Addre...

Page 4: ...1 provide high quality audio services from a satellite earth station The Model 1999 receiver is a C Ku band satellite receiver that is designed for point to multi point communication systems using FM...

Page 5: ...ment Any damage claims must be reported to the carrier immediately CAUTION When connecting cables to F type connectors apply a force of no more than 12 inch lbs Finger tight Avoid connecting adapters...

Page 6: ...at an excessive length of coaxial cable from the LNB to the receiver is not required Larger LNB gains will of course drive longer cable runs An LNB with 50 dB gain will work into a 100 foot cable whil...

Page 7: ...or other three wire serial DTE devices The power supply for the unit consists of an external transformer that supplies the correct AC voltages to the unit and the necessary circuitry to produce all ne...

Page 8: ...Port RS 232 DCE Output via an RJ 12 Connector Pin 1 Squelch Alarm Open collector 30 VDC 10 ma maximum Pin 2 RS 232 Transmit Data Pin 3 RS 232 Receive Data factory test use only Pin 4 Internally pulled...

Page 9: ...aker to determine correct antenna positioning If the RF ALARM remains illuminated the antenna is not connected or the LNB has failed When locked on the carrier adjust antenna for best audio quality Mo...

Page 10: ...ld indicate drifting LNB on the antenna Green LED When unit is receiving valid header information through control channel Flashing Green LED When the Channel Select button is pushed the LED will flash...

Page 11: ...Description AUDIO LEVEL Output level control for rear panel RCA connector Rear Panel Controls SQL DEF Squelch Defeat for initial antenna installation FLASHING ON for 1 sec OFF for 1 sec continuing FLI...

Page 12: ...ck connection to rear panel 3 Power unit down for 10 seconds DS1 status is red and DS2 RF alarm illuminated 1 Check for LNB voltage on RF input 2 Recheck all connections 3 Check for failed LNB DS1 sta...

Page 13: ...Impedance 1000 ohm typical Audio Output Level Adjustable 6 0 to 4 0 dBm at ppl Audio Output Level boosted 6 dB above normal FM Deemphasis 300 uS for 7 5 KHz 75 uS for 15 KHz Audio Mute 60 dB Audio Fa...

Page 14: ...14 4 3 SERVICE If the receiver fails to function as described and the fault is not the interconnecting cables or otherwise obvious then call the Muzak Network Operations Center at 1 800 327 6549 for a...

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