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1
Chan Call Talk
2
Telex
Operating Instructions
BP-2000/BP-1000
Belt Packs
®
Audiocom Intercom
System
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GENERAL The Audiocom® BP-2000 and BP-1000 are microprocessor controlled one- and two-channel intercom belt packs. An internal switch and jumper setting allows the units to be used with Clear-Com® components, if desired. Other internal switch and jumper settings allow the unit to be uniquely configured to the operator’s requirements. FCC STATEMENT This equipment uses, and can radiate radio frequency energy that may cause interference to radio communications if not installed in accordance with t
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® End-User License Agreement for Telex Software IMPORTANT - Please read this document carefully before using this product. THIS DOCUMENT STATES THE TERMS AND CONDITIONS UPON WHICH TELEX COMMUNICATIONS, INC. (the ‘COMPANY’) OFFERS TO LICENSE THE INSTALLED SOFTWARE OR PROGRAM (the ‘SOFTWARE’) FOR USE WITH THE PRODUCT IN WHICH IT WAS INSTALLED. YOU ARE AGREEING TO BECOME BOUND BY THE TERMS OF THIS AGREEMENT. IF YOU DO NOT AGREE TO THE TERMS OF THIS AGREEMENT, DO NOT USE THIS PRODUCT. PROMPTLY RETUR
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OPERATION SYSTEM POWER The BP-2000 belt pack receives power externally, in one of two ways: Via the intercom channel (similar to the BP-1000) Via the local-power (pin 2) of the intercom channel connector The BP-1000 belt pack receives power externally, via the intercom channel. Both the BP-2000 and BP-1000 will pass system power through to subsequent belt packs that are “daisy chained” together. INITIAL BP-2000/BP-1000 SETUP The channel termination is initially set for balanced operation, wh
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1 23 4 1 CHAN CALL TALK 2 BP-2000 5 6 77 HEADSET LINES 1 34 CALL TALK BP-1000 5 6 88 HEADSET LINES Figure 1. BP-2000 & BP-1000 Connections and Controls 4
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EXTERNAL CONNECTIONS & CONTROLS NOTE: The numbers refer to the callouts in Figure 1. 1. Volume Control Use this control to adjust the headset listen level. 2. Chan Button and Indicators The Chan button (only on the BP-2000) allows the user to select which intercom channel is active. The yellow indicator next to the 1 or 2 lights to show the active channel. Press the Chan button to change the channel selection, the yellow indicator for that channel will light. 3. Call Button and Indicator The C
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Latched Mode: Tap the button once to talk. The indicator will glow green. Tap the button again when finished with a conversation. Momentary Mode: Press and hold the button to talk momentarily. Release the button when finished talking. NOTE: On the BP-2000, if no headset is connected when the Talk button is pressed, the Talk button will have the same function as the Chan button. 5. Sidetone Control When using a headset, this control adjusts your own voice level heard in the headphones. To adj
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Local Power Input (BP-2000 only) Normally the BP-2000 is powered from the intercom system and will turn on with the intercom system. The BP-2000 belt pack may also be powered from an optional power supply (14-30 VDC) connected between pin 2 (+) and pin 1 (-) of the intercom channel connector. 8. @PARAINDENT = Intercom Channel Connectors On the BP-1000, the intercom channel is connected via a pair of 3-pin connectors (one male and one female). The male and female connectors are wired together i
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2. Press and hold the Talk key, then press and hold the Call key, then release both keys. The Call indicator should now glow red. (The number of beeps heard in the headset indicates the current mode of operation.) 3. Press the Call key to change to the next mode of operation. Each press of the Call key will cause the BP-2000/BP-1000 to change to the next mode of operation. 4. When the desired mode is reached, press the Talk key to select that mode and exit the mode changing function. (Beeps wi
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INTERNAL SWITCHES, JUMPERS AND ADJUSTMENTS There are several internal switches, jumpers and an adjustment that affect operation. These are described below. To gain access to the switches, jumpers and the adjustment, disconnect all power and line connections. Remove two screws from the top of each side and two screws from bottom of each side. Switch, jumper and adjustment locations are shown in Figure 2. B U EL 321 J4 DYNSW1 J15 J3 123 123 BAL 3 2 1 J5 J1 J6 UNBAL SW4 SW2 SW5 Figure 2. Intern
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NOTE: On the BP-1000, jumper J3 must always have pins 2 and 3 shorted. Side Tone Adjustment (R19) The side tone adjustment is accessible either internally (refer to Figure 2) or by removing the belt clip mounting screw (callout 5 in Figure 1). To adjust the level of your own voice heard in the headphones, tap the Talk button once to turn on the headset microphone. Then, use a small flat-blade screwdriver to increase or decrease your voice level while talking into the microphone. Clear-Com Setup
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TABLE 2. INTERNAL SWITCHES AND JUMPERS JUMPER/ SWITCH JUMPER OR SWITCH FUNCTION DEFAULT NUMBER SETTING SW1 Electret / Dynamic Microphone Select Dynamic ^ (Must be set to Dynamic when J15 func- tions are desired) J15 Balanced/ Single-ended Dynamic Mic Pins 1&2 shorted ^ (SW1 must be set to Dynamic) ^ Single-ended Mic: Pins 1&2 shorted ^ Balanced Mic: Pins 2&3 shorted J3 Power Select Pins 2&3 shorted ^ Channel One Power: Pins 2&3 shorted ^ (On BP-1000, pins 2&3 always shorted) ^ Channel Two Power
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CONNECTOR PIN CONFIGURATIONS Headset Connector Type: XLR-4M (callout 6 in Figure 1) Pin 1 Headset microphone low Pin 2 Headset microphone high Pin 3 Headphone high Pin 4 Headphone low Intercom Channel Connectors BP-1000 Type: One XLR-3M and XLR-3F pair (callout 8 in Figure 1) Audiocom® Mode (Internal switch SW3 and jumpers J2, J5, J6 and J7 set to BAL position) Pin 1 Common Pin 2 Intercom audio low and +24 VDC input Pin 3 Intercom audio high and +24 VDC input Clear-Com Mode (Internal switch SW
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BP-2000 Type: One XLR-6M and XLR-6F pair (callout 7 in Figure 1) Audiocom® Mode (Internal switch SW3 and jumpers J2, J5, J6 and J7 set to BAL position) Pin 1 Common Pin 2 Local power (+24 VDC) Pin 3 Channel A intercom audio low and +24 VDC input Pin 4 Channel A intercom audio high and +24 VDC input Pin 5 Channel B intercom audio low and +24 VDC input Pin 6 Channel B intercom audio high and +24 VDC input Clear-Com Mode (Internal switch SW3 and jumpers J2, J5, J6 and J7 set to UNBAL position) Pin
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SPECIFICATIONS GENERAL: Power Requirements: Channel supplied: 24 VDC nominal, 45 to 70 mA Local-power: (BP-2000 only) 24 VDC nominal (14 to 30 VDC), 45 to 70 mA Environmental Requirements: Storage: -20ºC to 80ºC; 0% to 95% humidity, non-condensing Operating: -15ºC to 60ºC; 0% to 95% humidity, non-condensing Dimensions: 5.0" (127 mm) H x 3.5" (88.9 mm) W x 1.8" (45.7 mm) D Weight: 1.5 pounds (0.68 kg) INTERFACE REQUIREMENTS: Headset: 50 to 200 dynamic microphone 150 to 600 headphones Balanc
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Unbalanced Intercom Channel: Output Level: 200 mVrms ±10% Input Impedance: 150 ±5% Bridging Impedance: greater than 10,000 Call Signalling: Send: 12 ±3 VDC Receive: 4 VDC minimum HEADPHONE AMPLIFIER: Voltage Gain: 27 ±3 dB from the line Maximum Output: 60 mW into 150 Frequency Response: 200 Hz to 8 kHz with no more than 4 dB deviation Audible Alert: 1 kHz, at the headset Total Harmonic Distortion: Less than 2% at 50 mW from the line Sidetone: 20 dB minimum range, adjustable 15
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DYNAMIC MICROPHONE AMPLIFIER: Voltage Gain: Mic to Channel; 45 ±3 dB, before limiting Mic to Headphone; adjustable, 65 dB range into 150 Frequency Response: 200 Hz to 8 kHz +1/-3dB Total Harmonic Distortion: Less than 1% at Channel output at 1 kHz ELECTRET MICROPHONE AMPLIFIER: Voltage Gain: Mic to Channel; 27 ±3 dB, before limiting Mic to Headphone; adjustable, 45 dB ±10% into 150 Frequency Response: 200 Hz to 8 kHz +1/-3dB Total Harmonic Distortion: Less than 1% at Channel output 16
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FACTORY SERVICE All equipment returned for repair must be accompanied by documentation stating your return address, telephone number and proof of date of purchase, along with a description of the problem. In lieu of this, you may obtain a Return Authorization form from our Customer Service Department. Customer Service Department Telex Communications, Inc. 12000 Portland Avenue South Burnsville, Minnesota 55337 U.S.A. Telephone: (9552) 884-4051 (Collect calls not accepted) Return equipment to:
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APPENDIX A OPTIONAL FOOTBALL MODIFICATIONS GENERAL DESCRIPTION In Audiocom® Intercom Systems, the Mic-Kill feature is used to turn off any activated microphones on a selected channel. The Mic-Kill feature is activated when the beltpack receives a 24 kHz signal from the channel. In some applications the Mic-Kill and Call signal features are not desired and need to be disabled. ELIMINATING MIC-KILL AND CALL SIGNAL CAUTION TO PREVENT DAMAGE TO THE EQUIPMENT, THESE MODIFICATIONS SHOULD ONLY BE MADE
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