background image

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 Call function allows the user to send or receive
signals to other devices on the intercom channel selected.
The

Call

button operates in two ways:

Call receive:

When there is an incoming call signal, the indicator is
red.  (If Audible Call Alert is enabled, incoming calls will
cause beeps in the headset.)  On the BP-2000, calls
can be received on the selected channel only.

Call send:

To send a call signal to all stations on a channel, press
and hold the

Call

button until a verbal response is

received.  The indicator will glow red.  On the BP-2000,
calls can be sent on the selected channel only.

4.

Talk

Button and Indicator

The

Talk

button activates the headset microphone and

operates in two ways:

5

Summary of Contents for BP-1000

Page 1: ...T elex Operating Instructions BP 2000 BP 1000 Belt Packs Audiocom Intercom System Talk Call Chan 1 2 ...

Page 2: ...stalled in accordance with this manual The equipment has been tested and found to comply with the limits of a Class A computing device pursuant to Subpart B Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area may cause interference which the user at his own exp...

Page 3: ...ed 2 Restrictions a You may not market distribute or transfer copies of the Software to others or electronically transfer or duplicate the Software YOU MAY NOT REVERSE ENGINEER DECOMPILE DISASSEMBLE MODIFY ADAPT TRANSLATE RENT LEASE OR LOAN THE SOFTWARE OR CREATE DERIVATIVE WORKS BASED ON THE SOFTWARE OR ANY ACCOMPANYING WRITTEN MATERIALS b The Software and the accompanying written materials are c...

Page 4: ...itially set for balanced operation which is compatible with other Audiocom equipment If the unit is going to be connected to Clear Com equipment one switch and several jumpers must be changed as described in the section on Clear Com Setup in this manual The headset microphone type is initially set for single ended dynamic operation To change the microphone type to balanced dynamic refer to Table 2...

Page 5: ...4 TALK CALL 1 3 4 5 8 8 HEADSET LINES 6 HEADSET LINES 7 7 6 BP 1000 BP 2000 TALK CALL CHAN 1 2 1 2 3 4 5 Figure 1 BP 2000 BP 1000 Connections and Controls ...

Page 6: ... Call function allows the user to send or receive signals to other devices on the intercom channel selected The Call button operates in two ways Call receive When there is an incoming call signal the indicator is red If Audible Call Alert is enabled incoming calls will cause beeps in the headset On the BP 2000 calls can be received on the selected channel only Call send To send a call signal to al...

Page 7: ...lk 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 This control is accessable by removing one screw of belt clip 6 Headset Connector This connector accepts a four wire Telex boom microphone headset 7 Intercom Channel Connectors On the BP 2000 intercom channels are connected via a pair o...

Page 8: ...together in parallel providing a loop through at each connector pin Use one connector to connect to the intercom channel Use the other connector to daisy chain a cable to the next belt pack or other station on the channel OPERATING MODES The microprocessor within the BP 2000 BP 1000 controls four modes of operation that affects the Microphone Kill and Audible Call Alert features TABLE 1 OPERATING ...

Page 9: ...ach 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 will be heard in the headset when the mode changing function is exited The number of beeps heard indicates the selected mode of operation NOTE Each time the intercom system power is turne...

Page 10: ... each side Switch jumper and adjustment locations are shown in Figure 2 Figure 2 Internal Switches Jumpers and Adjustments NOTE Figure 2 shows a BP 2000 with the switches and jumpers in their factory default positions referenced in Table 2 The SIDETONE adjustment is also accessible behind the screw that holds the belt clip callout 5 in Figure 1 The functions of the internal switches and jumpers ar...

Page 11: ...rewdriver to increase or decrease your voice level while talking into the microphone Clear Com Setup Make the following switch and jumper changes when the belt pack is used with Clear Com equipment BP 2000 1 SW3 must be placed in the UNBAL position 2 J2 must have pins 1 and 2 shorted U position 3 J5 jumper must be removed and placed on J6 4 J6 must have pins 1 and 2 shorted using jumper from J5 5 ...

Page 12: ...ways shorted Channel Two Power Pins 1 2 shorted Must be set for same channel as J3 for proper power operation in Audiocom mode on BP 2000 Must be used in conjunction with SW3 SW3 Clear Com Audiocom Operation Balanced Unbalanced Balanced Line Must be used in conjunction with J2 J5 J6 and J7 J2 Clear Com Audiocom Operation Pins 2 3 shorted Pins 1 2 shorted UNBAL Clear Com Pins 2 3 shorted BAL Audioc...

Page 13: ...nectors 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 SW3 and jumpers J2 J5 J6 and J7 set to UNBAL position Pin 1 Common Pin 2 30 VDC input Pin 3 Intercom audio call signal ...

Page 14: ... 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 1 Common Pin 2 Local power 14 to 30 VDC Pin 3 Channel A 30 VDC input Pin 4 Channel A intercom audio call signal Pin 5 Channel B 30 VDC input Pin 6 Chann...

Page 15: ...on 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 200W dynamic microphone 150 to 600W headphones Balanced Intercom Channel Output Level 1 Vrms nominal Input Impedance 300W 5 Bridging Impedance greater than 10 000W Call Signalling Send 20 kHz 100 Hz 0 5 Vrms 10 Receive 20 kHz 800 Hz 100 mVrms Mic Off Frequency Detect...

Page 16: ...ng Send 12 3 VDC Receive 4 VDC minimum HEADPHONE AMPLIFIER Voltage Gain 27 3 dB from the line Maximum Output 60 mW into 150W 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 ...

Page 17: ...requency 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 150W Frequency Response 200 Hz to 8 kHz 1 3dB Total Harmonic Distortion Less than 1 at Channel output 16 ...

Page 18: ...partment Telex Communications Inc West 1st Street Blue Earth Minnesota 56013 U S A Warranty Repairs If in warranty no charge will be made for the repairs Equipment being returned for warranty repair must be sent prepaid and will be returned prepaid Non Warranty Repairs Equipment that is not under warranty must be sent prepaid to Telex If requested an estimate of repair costs will be issued prior t...

Page 19: ...ENT THESE MODIFICATIONS SHOULD ONLY BE MADE BY QUALIFIED TECHNICIANS If desired the Mic Kill and Call signal features can be disabled in the BP 2000 BP 1000 by removing a surface mounted capacitor from the printed circuit board Perform the following 1 Before making changes to the printed circuit board disconnect all power and line connections from the beltpack 2 Refer to Figure 3 and locate C38 on...

Page 20: ...19 ...

Reviews: