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U2020 System Frequency Chart

The exact frequency for each channel is shown below. When operating more than one
U2020 system at the same location, allow a spacing of at least three channels between
operating channels to avoid interference between systems.

Operating Frequencies for the "A" Version of U2020 [No longer actively sold]

00 = 746.000 MHz

25 = 751.000 MHz

50 = 756.000 MHz

75 = 761.000 MHz

01 = 746.200

26 = 751.200

51 = 756.200

76 = 761.200

02 = 746.400

27 = 751.400

52 = 756.400

77 = 761.400

03 = 746.600

28 = 751.600

53 = 756.600

78 = 761.600

04 = 746.800

29 = 751.800

54 = 756.800

79 = 761.800

05 = 747.000

30 = 752.000

55 = 757.000

80 = 762.000

06 = 747.200

31 = 752.200

56 = 757.200

81 = 762.200

07 = 747.400

32 = 752.400

57 = 757.400

82 = 762.400

08 = 747.600

33 = 752.600

58 = 757.600

83 = 762.600

09 = 747.800

34 = 752.800

59 = 757.800

84 = 762.800

10 = 748.000

35 = 753.000

60 = 758.000

85 = 763.000

11 = 748.200

36 = 753.200

61 = 758.200

86 = 763.200

12 = 748.400

37 = 753.400

62 = 758.400

87 = 763.400

13 = 748.600

38 = 753.600

63 = 758.600

88 = 763.600

14 = 748.800

39 = 753.800

64 = 758.800

89 = 763.800

15 = 749.000

40 = 754.000

65 = 759.000

90 = 764.000

16 = 749.200

41 = 754.200

66 = 759.200

91 = 764.200

17 = 749.400

42 = 754.400

67 = 759.400

92 = 764.400

18 = 749.600

43 = 754.600

68 = 759.600

93 = 764.600

19 = 749.800

44 = 754.800

69 = 759.800

94 = 764.800

20 = 750.000

45 = 755.000

70 = 760.000

95 = 765.000

21 = 750.200

46 = 755.200

71 = 760.200

96 = 765.200

22 = 750.400

47 = 755.400

72 = 760.400

97 = 765.400

23 = 750.600

48 = 755.600

73 = 760.600

98 = 765.600

24 = 750.800

49 = 755.800

74 = 760.800

99 = 765.800

Wireless Microphone System

9

Содержание U2020

Страница 1: ...Vega U2020 UHF Wireless Microphone System V0990104 Rev D ...

Страница 2: ...nt case can void your warranty and cause unnecessary repair costs If you believe that internal adjustments or repairs are needed we recommend that you contact the factory or your nearest Vega authorized service center Read This 1 Vega strongly recommends using Duracell batteries in the wireless mics Other brands yield as little as half the operating time 2 When setting the mic s channel ensure it ...

Страница 3: ...Wireless Microphone System 3 Walk the area 7 Connect receiver 2 Check RF 1 2 3 4 5 4 Quick Start Adjust transmitter 5 Turn on check frequency 3 Same processing and frequency 1 Set system audio levels 6 ...

Страница 4: ...the red zone indicate poor audio quality and loss of the signal is likely When the signal is absent or below the useful range the RF level and audio indicators will go off and the output will be squelched Channel Select Indictors Shows which channel the receiver is operating on Channel Select Switches Use a small screwdriver to select the desired frequency must be the same as the transmitter Diver...

Страница 5: ...elch point both channels A and B Factory set at 1 8 µV minimum setting fully CCW recommended setting At the maximum setting the receiver will squelch at about 5 5 µV reducing the receiver s sensitivity and range Increase the squelch turn clockwise when external RF noise or interference causes undesired squelch breaking This problem is most likely to occur when the transmitter is turned off or at t...

Страница 6: ...witch is pushed toward the windscreen Channel Selectors Remove cover use a small screw driver to change channels frequencies Selected channel must be the same as its associated receiver s channel Power Switch Turns battery power on and off Power is on when switch is pushed toward the windscreen Audio Gain Control side A small screwdriver may be used to increase decrease audio gain turn clockwise f...

Страница 7: ......

Страница 8: ... 60 746 752 00 88 U2020 s operate in the frequency range of TV channels 53 to 60 1 Turn the channel select switches on the receiver to an appropriate channel With antennas attached and the receiver connected to a sound system see next section for details turn on the power and listen for any interference from another source If interference is encountered select another operating channel If necessar...

Страница 9: ...200 81 762 200 07 747 400 32 752 400 57 757 400 82 762 400 08 747 600 33 752 600 58 757 600 83 762 600 09 747 800 34 752 800 59 757 800 84 762 800 10 748 000 35 753 000 60 758 000 85 763 000 11 748 200 36 753 200 61 758 200 86 763 200 12 748 400 37 753 400 62 758 400 87 763 400 13 748 600 38 753 600 63 758 600 88 763 600 14 748 800 39 753 800 64 758 800 89 763 800 15 749 000 40 754 000 65 759 000 ...

Страница 10: ... 000 59 774 000 84 779 000 10 764 200 35 769 200 60 774 200 85 779 200 11 764 400 36 769 400 61 774 400 86 779 400 12 764 600 37 769 600 62 774 600 87 779 600 13 764 800 38 769 800 63 774 800 88 779 800 14 765 000 39 770 000 64 775 000 89 780 000 15 765 200 40 770 200 65 775 200 90 780 200 16 765 400 41 770 400 66 775 400 91 780 400 17 765 600 42 770 600 67 775 600 92 780 600 18 765 800 43 770 800...

Страница 11: ...5 0 59 720 0 84 725 000 10 710 2 35 715 2 60 720 2 85 725 200 11 710 4 36 715 4 61 720 4 86 725 400 12 710 6 37 715 6 62 720 6 87 725 600 13 710 8 38 715 8 63 720 8 88 725 800 14 711 0 39 716 0 64 721 0 89 726 000 15 711 2 40 716 2 65 721 2 90 726 200 16 711 4 41 716 4 66 721 4 91 726 400 17 711 6 42 716 6 67 721 6 92 726 600 18 711 8 43 716 8 68 721 8 93 726 800 19 712 0 44 717 0 69 722 0 94 727 ...

Страница 12: ...84 745 000 10 730 200 35 735 200 60 740 200 85 745 200 11 730 400 36 735 400 61 740 400 86 745 400 12 730 600 37 735 600 62 740 600 87 745 600 13 730 800 38 735 800 63 740 800 88 745 800 14 731 000 39 736 000 64 741 000 89 746 000 15 731 200 40 736 200 65 741 200 90 746 200 16 731 400 41 736 400 66 741 400 91 746 400 17 731 600 42 736 600 67 741 600 92 746 600 18 731 800 43 736 800 68 741 800 93 7...

Страница 13: ...mitter and turn it on The LED indicator should flash briefly upon turn on this indicates that the battery is installed properly If the green LED remains on the battery is low and should be changed 7 Observe the RF level meter or bargraph on the receiver The meter should read well above midscale when the transmitter is within a clear 50 foot radius of the receiver if it doesn t difficulties are ind...

Страница 14: ...f sight path to the transmitter a cable may be used to place the antenna in a location other than where the receiver is Vega offers a magnetic mount 1 4 wave whip antenna and a ground plane 1 4 wave whip antenna with cable for these conditions Two such antennas are required for the R 2020 receiver For operating at ranges of 500 feet 150 m or more Vega s high gain log periodic antenna or UHF TV ant...

Страница 15: ...btained from Vega contact the factory or your sales representative for information Most difficulties with Vega wireless microphones are not due to equipment failure Vega equipment is fully tested before leaving the factory Usually problems are due to equipment application The following paragraphs describe the most common problems If you are having difficulties please review this information and ta...

Страница 16: ...duces the signal level available and may result in creating locations within the coverage area where the receiving antenna is almost entirely ineffective pattern nulls Acoustic Feedback Bodypack transmitters usually use lavalier electret microphones Almost all such microphones are omnidirectional equal sensitivity in all directions and usually pick up much more ambient noise than handheld micropho...

Страница 17: ...ters If the sound quality of a microphone changes drastically when its position with respect to the transmitter changes it is likely that RF susceptibility is the cause Contact the Vega factory or your sales representative if assistance is required Lavalier mics purchased from Vega are specially assembled with added components to avoid this problem The wires in lavalier electret microphone cables ...

Страница 18: ...anty gives the customer specific legal rights and there may be other rights which vary from state to state Vega authorized service centers enable Vega to give customers immediate service on repairs These service centers are fully qualified and equipped to handle the servicing of Vega equipment and turnaround time is excellent To obtain the address of your nearest authorized warranty service center...

Страница 19: ...Claims Wireless Microphone System 19 ...

Страница 20: ...meter 5 position RF level meter 5 position Power 5W maximum Weight 1 LB 14 oz 85 kg Dimensions hwd 1 65 in 4 2cm x 7 15 in 18 2 cm x 9 25 in 23 5 cm HT 2020 Handheld Transmitter Mic Capsules Electro Voice N D267 N D557 N D767 and N D967 Power Output 50 mw Frequency Stability 0 005 Spurious Output 53 dB maximum Controls Power on off mute on off Mic level Audio Adjustment Range 30 dB Antenna Interna...

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