Bogen-BAL2S-Operation-Manual 电路图 维修手册.pdf

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1、BAL2S Balanced Input Module Features Balanced high-impedance inputs Selectable channel gain (0 dB or 18 dB) Variable signal ducking when muted Fade back from mute level Can be muted from higher priority modules Block Diagram 50 Spring Street, Ramsey, NJ 07446 U.S.A. 201-934-8500; Fax: 201-934-9832 P

2、rinted in Taiwan.0208 2002 Bogen Communications, Inc. 54-2081-01R1 Specifications subject to change without notice. RadioFans.CN 收音机爱 好者资料库 Balanced Inputs Balanced, 3-wire input, each input dedicated to each audio bus. See input wiring section for information on balanced and unbalanced connections.

3、 Module Installation 1.Turn off all power to the unit. 2.Make all necessary jumper selections. 3.Position module in front of desired module bay opening, making sure that the module is right-side up. 4.Slide module on to card guide rails. Make sure that both the top and bottom guides are engaged. 5.P

4、ush the module in to the bay until the face- plate contacts the units chassis. 6.Use the two screws included to secure the module to the unit. WARNING: Turn off power to unit and make all jumper selections before installing module in unit. Ducking (Duck) Controls the level of the out- put signal fro

5、m the module when it has been requested to mute its output.The range is adjustable from no reduction in level to full (50 dB) muting of the output signal. Input Wiring Balanced Connection Use this wiring when the source equipment supplies a balanced, 3-wire output signal. For either input,connect th

6、e shield wire of the source sig- nal to the “G” terminal of the input.If the “+” signal lead of the source can be identified,connect it to the plus “+” ter- minal of the input. If the source lead polarity cannot be identified, connect either of the hot leads to the plus “+” terminal. Connect the rem

7、aining lead to the minus “-” ter- minal of the input. Note: If polarity of the output signal versus the input signal is important, then it may be necessary to reverse input lead connections to correct the “out-of-phase” signal problem. Unbalanced Connection Use this wiring when the source equipment

8、supplies an unbalanced, 2-wire output signal. For either input,short the input minus “-” terminals to the inputs ground “G” terminal. Apply the sources shield to the “G” terminal and the sources hot lead to the inputs plus “+” terminal. Muting This module can be set so that it is muted by higher pri

9、ority mod- ules.When that is the case,it is always the lowest priority module. It can also be set so that it never mutes. Features Channel Gain This module provides for channel gains of either 0 dB (X1) of gain or 18 dB (X8) of gain. Separate switches service each channel inde- pendently. RadioFans.

10、CN 收音机爱 好者资料库 BAL2S Balanced Input Module Features Balanced high-impedance inputs Selectable channel gain (0 dB or 18 dB) Variable signal ducking when muted Fade back from mute level Can be muted from higher priority modules Block Diagram 50 Spring Street, Ramsey, NJ 07446 U.S.A. 201-934-8500; Fax: 201-934-9832 Printed in Taiwan.0208 2002 Bogen Communications, Inc. 54-2081-01R1 Specifications subject to change without notice. RadioFans.CN 收音机爱 好者资料库