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Bogen ANS501 manual

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Table of contents for the manual

  • Page 1

    Ambient Noise Sensor Model ANS501 Inst allation and Use Manual © 2003 Bogen Communications, Inc. All rights reserved. Specifications subject to change without notice. 54-2096-0 1 A Printed in K orea. 03 1 2[...]

  • Page 2

    2 IMPOR T ANT CAUTION: T O PREVENT THE RISK OF ELEC- TRIC SHOCK, DO NO T REMO VE CO VER (OR BA CK). NO USER-SER VICEABLE P AR TS INSIDE. REFER SER VICING T O QUALIFIED PERSONNEL. The lightning flash with arr owhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “danger ous voltage” within th[...]

  • Page 3

    3 Contents Page DESCRIPTION ....................................................................................................................4 Package Contents ................................................................................................................................4 Featur es ...............................................[...]

  • Page 4

    4 Description The Bogen Model ANS50 1 Ambient Noise Sensor is designed to electr onically adjust the level of a page announcement or background m usic in an ar ea of a building where ambient noise le vels are contin uously changing. It ensures that page announcements or background m usic ar e intelligible ev en during periods of high ambient noise [...]

  • Page 5

    5 P anel Descriptions 1 . Aux Input - Mono summing, stereo , unbalanced RCA inputs on side panel. 2. AUX Le vel Contr ol - Contr ols the A UX input level f eed directl y to the output. 3. Unbalanced Input - High-impedance unbalanced RC A input on side panel. 4. Balanced Input - High-impedance electronicall y balanced input (pluggable scr ew termina[...]

  • Page 6

    6 Sensor Micr ophone Connections Sensor Microphone Wiring • The ANS50 1 requir es connection of at least one sensor microphone for operation. T o allow for better ambient noise sensing of large areas, up to 4 sensor microphones can be connected to a single ANS50 1 . • All microphones ar e wired in parallel matching the polarity markings on the [...]

  • Page 7

    7 Operation Fr ont P anel Controls AUX Le vel Contr ol Controls the AUX input lev el, which is bussed directl y to the output. Aux signal bypasses gain riding. Relative Gain Contr ol Sets the relativ e amount of gain maintained above the ambient lev el. Range is 1 dB to 24 dB of gain. Ramp Speed Control Sets the speed by which gain is incr eased/de[...]

  • Page 8

    8 Operation, cont. Connections Balanced Input High-impedance, electronicall y balanced, pluggable scre w terminal input. Signal gain responds to ambient noise changes. Unbalanced Input High-impedance unbalanced RCA input. Signal gain responds to ambient noise changes. Sensor MIC Connections to ANS500M sensor micr ophone(s) are made here. The input [...]

  • Page 9

    1 . Connect the background m usic sour ce to the ANS50 1 ’ s RC A Aux IN jacks. 2. Set the background m usic to the desir ed operating lev el using the AUX LEVEL contr ol. 3. Set MODE Switch to "SET" mode. 4. Set RELA TIVE GAIN to the desir ed amount of sig- nal gain you w ould like the balanced/unbalanced input to ride ov er the ambien[...]

  • Page 10

    1 . Set MODE Switch to "SET" mode. 2. Set RELA TIVE GAIN to the desir ed amount of sig- nal gain you w ould like the balanced/unbalanced input to ride ov er the ambient lev el. 3. Set MAX BOOST to limit the maxim um amount of signal gain for the whole system. 4. Adjust AMBIENT THRESHOLD until the ST A TUS LED star ts flashing amber , then[...]

  • Page 11

    11 Module Setup , cont. Bypass Mode Illustration[...]

  • Page 12

    12 Normal Mode Illustration Module Setup , cont.[...]

  • Page 13

    13 Ambient Le v el Settings Use this table to estimate the general dBspl lev el of the area’ s ambient noise if actual measurements ar e not a vailable. Specifications Gain (Boost): 0 dB to 22 dB (± 1 dB) Frequency Response: 5 Hz to 80 kHz (+0 / -3 dB) S/N (20 Hz - 20 kHz): -96 dBV Distortion: <0.007% Input Impedance: Aux Input: Unbalanced 1 [...]

  • Page 14

    14 Block Dia gram[...]

  • Page 15

    15 Limited W ar ranty The ANS50 1 is warranted to be fr ee fr om defects in material or w orkmanship for tw o (2) years from the date of sale to the original purchaser . Any part of the product co v ered b y this warranty that, with normal installation and use, becomes defective will be r epaired or replaced b y Bogen, at our option, pr ovided the [...]

  • Page 16

    50 S pring S treet, Ramsey , NJ 07446, U.S.A. T el. 201-934-8500, Fax: 201-934-9832, www .bogen.com[...]