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Configuration & Controls 

 

14 

Sonifex HY-02 User Handbook  

              

 

Figure 2-4 : HY-02 Preset Controls and Alignments 

 

T2

T3

Link For
K-Break

Remote

Status

Momentary

Permanent

Mic Gain

Limit Level

Noise Gate

Threshold

Output

Level

Cap Set On

Res Set On

Noise Gate Off

Cap Auto

Res Auto
Noise Gate On

Sample

Threshold

Res Set

Cap Set

HY-02 Preset Controls and Alignments

1

1

2

2

3

ON

SW1

RV4 RV3

RV1

RV2

SW2

RV6

RV5

RV7

R12

Remote Lamp

Functions

Summary of Contents for HY-02D

Page 1: ...Sonifex HY 02 Automatic Telephone Hybrid User Handbook ...

Page 2: ...fex co uk Information in this document is subject to change without notice and does not represent a commitment on the part of the vendor Sonifex Ltd shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including phot...

Page 3: ...10 Output Circuits 10 Line Balancing Electronics 10 Analogue Line Circuits 11 Divert Switch Logic 11 Protection Circuitry 11 HY 02 Alignment Procedure 12 HY 02 Internal Controls Adjustments 13 Auto Disconnect K Break 13 Auto Dial Tone Detect 13 Adjusting Output Level 13 Adjusting the Microphone Gain Level 13 Changing Remote Status From Momentary to Permanent 13 Removing Remote Lamp Dim Function 13...

Page 4: ...Contents Sonifex HY 02 User Handbook Conditions 18 Series Connection 18 Facilities 18 Statutory Mark 18 ...

Page 5: ...he Company its employees whilst in the course of their employment or its agents in the course of the agency ii for any breach by the Company of any statutory undertaking as to title quiet possession and freedom from encumbrance d Subject to conditions a and c from the time of despatch of the Goods from the Company s premises the Purchaser shall be responsible for any defect in the Goods or loss da...

Page 6: ...e hazardous conditions on the network and advice should be obtained from a competent engineer before such a connection is made Warning This apparatus must be earthed by means of the earth connector on the rear panel and the B T plug should be disconnected from the telecommunications network before disconnecting the earth Disconnection of this earth connection may render the equipment unsafe with a...

Page 7: ...ls and before applying power to the unit check that the machine has the correct operating voltage for your mains power supply Important Note The terminal marked on the rear panel must be earthed Removing the Covers Warning The power must be switched off at the supply or the power lead must be disconnected before attempting to remove the panels or cover Removal of the panels and cover can expose da...

Page 8: ...leted sheet To Sonifex Ltd From Name 61 Station Road Position Irthlingborough Company Northants Address NN9 5QE UK Tel 44 0 1933 650 700 Tel Fax 44 0 1933 650 726 Fax For the Serial No of your machine see the back panel of the HY 02 unit HY 02 Serial No HY 02 Power Supply Serial No Please describe the error in as much detail as possible for example what you were doing when the problem occurred wha...

Page 9: ...lephone signal to a four wire send and return signal to be linked to a studio mixer for example Each hybrid has a telephone line connection and separate terminals for audio input and output from a broadcast mixer or other professional audio source A large proportion of Sonifex hybrids are used in radio and television broadcasting applications for allowing external callers to be connected to the st...

Page 10: ... is connected to the telephone hybrid processor by means of short link cables It has an overvoltage protected output and is separately enclosed It is supplied as a single unit for use with one telephone hybrid unit or as a dual unit for the twin hybrids HY 02D and HY 02T Earth bonding from the mains IEC input connector is carried through the connection cable and multiway socket to the electronic h...

Page 11: ...T wall jack socket A simple telephone handset can be used to take and make calls when plugged into the equipment HANDSET connector BT 605A The connector labelled Line Input is balanced bridging and will accept normal signals at 0dBu peaking to 8dBu from a sound mixer clean feed The input circuitry to the HY 02 has a very effective limiter which will prevent high level overloading problems However ...

Page 12: ...minating the affects of telephone line cross talk The noise gate is factory set to 26 dBu to avoid interaction with the equipment null Isolation of better than 28dB is created between the input and output connectors when the hybrid unit is functioning on an exchange line Connect the connector labelled DC POWER from the back of the hybrid unit to the power supply The power supply creates 15V dc to ...

Page 13: ...ou should now use the REMOTES connector on the back of the ring detector section to connect a remote divert switch The ringing detector will detect incoming ringing tone and automatically switch the HY 02 on line and hold the call by means of the remote divert connection The RD 02 is on line before and during the ringing cadence and is switched off line during call holding Earth Divert Control NTT...

Page 14: ...ion When the ringing detector is in use ringing tone will energise the LINE CONNECT switch through the interconnection between the two units HY 02 and RD 02 to provide auto answer of incoming calls The LINE CONNECT switch lamp is DIM in the non connected mode and BRIGHT in the connected mode With both auto answer and auto clearance in use call handling can be completely automatic in operation Maki...

Page 15: ...So you know which pin is which the latch is adjacent to Pin 6 Pin 1 Not used Pin 2 White wire BT line A Pin 3 Green wire Earth recall Pin 4 Blue wire Ringer Pin 5 Red wire BT line B Pin 6 Not used Q The handset connected to the unit doesn t ring What s wrong A If the handset connected to the unit does not ring but still works o k the ringer shunt wire blue wire pin 4 has become open circuit Or if ...

Page 16: ...Introduction 8 Sonifex HY 02 User Handbook This page is deliberately blank ...

Page 17: ...ectronic hybrid through the power cable at the rear of the power supply The 15V d c output of the power supply is protected against high voltage breakdown by d c fuses F1 F2 F3 F4 and the voltage sensitive zener diodes D1 D2 and D7 D8 in the twin configuration A single overvoltage fault will cause overvoltage current to flow in D1 and D2 D7 D8 rupturing fuses F1 F2 F3 F4 removing the overvoltage c...

Page 18: ... to meet BS 6305 Figure 2 2 Telephone Barrier Circuitry Output Circuits The output from the differential amplifier Q6a which acts as a high gain nulling amplifier is fed to the bandpass stage formed by Q4a and Q4d The filtered output is coupled to a mute stage and noise gate formed by Q5 abc Q15a and Q23 The threshold of the noise gate is set by preset control RV4 The range of the noise gate thres...

Page 19: ... determined by the gain of the stage Q8b and an absolute value determined by the setting of the preset RV6 Similarly the variable reactance formed by C44 and Q8c has a range determined by C44 and the gain of the stage Q8c and an absolute value determined by the setting of RV7 RV6 and RV7 are set to the correct operating values at 1000Hz by utilising a model line in place of the telephone line conn...

Page 20: ...t line analogue Remove the 0 dB line input and connect the signal source at 74 dB nominal into the MIC Input and set the MIC GAIN RV1 to give 9 dB at the line analogue Remove all line and mic inputs and inject 13dB 1K Hz signal across the analogue line and adjust the output level control RV3 to give 0 dBu at the output unterminated Set the input level to 30 dB 1KHz and set the NOISE GATE DIL SWITC...

Page 21: ...Microphone Gain Level The MIC INPUT will accept 200 ohm microphone level signals and is balanced floating with a maximum gain of 74dB The available gain can be adjusted between 74 dB and 40 dB by using a jeweller s screwdriver to adjust RV1 on the main HY 02 circuit board Changing Remote Status From Momentary to Permanent The status of the remote input can be changed from momentary to permanent la...

Page 22: ...For K Break Remote Status Momentary Permanent Mic Gain Limit Level Noise Gate Threshold Output Level Cap Set On Res Set On Noise Gate Off Cap Auto Res Auto Noise Gate On Sample Threshold Res Set Cap Set HY 02 Preset Controls and Alignments 1 1 2 2 3 ON SW1 RV4 RV3 RV1 RV2 SW2 RV6 RV5 RV7 R12 Remote Lamp Functions ...

Page 23: ...ection and is an NTTP BT6 502 cord plug which plugs into a standard BT line jack socket The telephone line is connected via the white and red wires on the connector the latch is adjacent to Pin 6 Pin 1 Not used Pin 2 White wire BT line A Pin 3 Green wire Earth recall Pin 4 Blue wire Ringer Pin 5 Red wire BT line B Pin 6 Not used Remote The HY 02 is equipped with a 5 way IP40 socket 678 series whic...

Page 24: ...or CEE22 230V 50Hz or 115V 60Hz Protective Earth Terminal This earth bond screw terminal is a screen terminal which must be connected to an earth point RD 02R Connection Details The HANDSET and NTTP PORT connections are as per the HY 02 The other connections are Divert Control The divert control is a 5 way IP40 connector which should be connected to the REMOTE socket on the rear of the power suppl...

Page 25: ...anding twin 3 units each of 4 5cm 14 3cm 23 8cm 3 0kg HY 02S analogue rack mount single 4 5cm 1U 48 3cm 19 rack fitting 23 8cm 1 8kg HY 02T analogue rack mount twin 4 5cm 1U 48 3cm 19 Rack fitting 23 8cm 3 0kg RD 02 free standing ringing detector 4 5cm 1U 14 3cm 23 8cm 0 7kg RD 02R HY 02 with RD 02 rack mount 4 5cm 1U 48 3cm 19 Rack fitting 23 8cm 2 3kg Depth is measured from the front to the end ...

Page 26: ... for PSTN is given in BS6789 Section 6 1 1986 Clause 2 9 including the note to that clause Ringer Equivalence Number The REN 1 marking on the rear of this equipment relates to the performance of the apparatus when used in combination with other items of apparatus The REN indicates the maximum number of items that should be connected simultaneously to the line This equipment may be connected with s...

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