HL202 HL203 VQ
Contents
1. p Oo 138 N POL S 779 ee o Z02 TH SVALSIS ano T ARNAS ESI o L ININ coc 138 NON SANIT NEPOL S Iva 202 1 waimod SVWALSIS ino A L INIT AGNIS 9NIQHY09I4 v o INAGNSS ON S TE 5 Geo AB O YIX GQAONV IVE ONIM NYNLSY 138 JIOSNO9 OL INIT Gl GAH 110 ace gt 6 195 JIOSNOD OL ANIT ino YOLINOW z Fig 5 Connection diagram for 4 lines with a Solidyne 2300 XL on air console Page 13 Telephonic Hybrids SOLIDYNE 2 6 Priority system The hybrid priority s system attenuates the audio incoming from the telephone line when the speaker speaks Studios This is done for two reasons e To give priority to the speaker in a debate when they talk to both at once the speaker is o2. AUDIO QUALITY because they give weightiness and presence to the voice System really reconstructs the bass of the voice reaching the frequencies of up to 50 Hertz being able also reconstructing component of high frequency to recreate the highs that are of extreme importance to obtain the presence sensation In addition stage VQR has a third control to improve to the dynamic range obtaining values of up to 70 dBA in a telephone transmission Page 17 This processing is applicable as much to calls by terrestrial lines like a calls made through the mobile telephony Although the reconstruction reaches to callings made using the internal microphones of the cellular or the fixed telephones the best results are obtained using a portable audio console and dynamic microphones of good quality For details on VQR you can consult the information available in the section Technical Documentation on our Web site 3 6 1 Using the VQR VOICE QUALITY RESTORATION NOISE LOW BAND Ber HI BAND VOR r z FA The VQR processing can be enabled or bypassed pressing the VQR button on the front panel The user adjusts the amount of processed signal using the knobs Low band and Both controls even have an ample rank of work making possible the processing in telephone signals whose bandwidth is very restricted Low band Manages the level of lows added to the origina
3. OUT PHONE LINE HYBRID LINK dBu 5 10dBu PHONE LINE SET 10K SET Fig 1 HL 202 panel trasero seccion conectores The telephone set operates normally while the phone lines aren t taken by the hybrid position OFF The lines can be connected directly to the public phone lines or the PBX of radio station private lines deteriorate hybrid rejection therefore we recommend connecting the console to public lines directly The hybrid have internal filters for RF rejection effective in AM FM and UHF bands Usually you don t need to add additional filters HL202 and 203 VQ have protection against voltage overshoots with SIOV varistors but still advised that the telephone lines have outer shield connected to a good ground SOLIDYNE Telephonic Hybrids 2 2 1 HYBRID BALANCE Balance is adjusted when the local audio from Studios returns from hybrid too high dirtying the voice on air This non desired effect is produced because some part of the signal sent to the telephone line returns through the hybrid circuit mixing itself with the original signal The hybrid s balance adjusts factory using standard impedances but you must adjust it to the impedance of local line Proceed as following e On rear panel the unit has two rotating presets of 15 turns BAL one for each line e Using the correspondent telephone set make a call to external number don t use extensions of privat
4. THE 5 RETURN TO AUX AUX TO AVOID FEEDBACK LOOPS AUX SEND THE MICs TO THE HYBRID SOLIDYNE Telephonic Hybrids Page 11 2 4 5 CUE output This output present the audio signal of HOLD lines in order to the journalist can notice to the operator when needed airing This is the case of a sports transmission in which a reporter covering a secondary match wants to report that there was a goal in that game If the operator has that line Hold the reporter has no way of giving notice as the hybrid is in the air with the main relate communication can not be established by the Talkback circuit To resolve this situation HL 202 203 has a MONITOR output which present audio from all HOLD lines Thus the operator is continually listening the Hold lines The output MONITOR uses 1 8 jack to connect to a small powered speaker such as those used in computers or an external monitoring input on the console External Audicom CUE in Solidyne consoles 27 In addition to the audio of the lines Hold is normal to hear an audio remnant of on air lines When HL202 units are connected in cascade CUE outputs remains independent Each unit presents its CUE audio output correspondent to lines connected to that hybrid If you have only one monitor speaker for all lines you can connect CUE outputs in parallel 2 5 Expand the number of lines The connector HYBRID LINK allows to link up to three HL202 203 units to
5. devices Then turn on Bluetooth in the HL203 and repeat the search The displayed BTH 008 will HL203 SOLIDYNE Telephonic Hybrids 2 3 2 2 Re connections To reconnect the cell phone before linked activate the HL203 s Bluetooth pressing by 2 seconds the button and enables Bluetooth at the cell phone if necessary some cell phones disables Bluetooth device when turn it off To make or receive a call the audio is sent to the hybrid 2 3 2 3 Adjusting the volume At the cell phone Bluetooth volume must be adjusted at maximum level in order to obtain a good reception and 10 sure the best signal to noise ratio This adjusting must be done with a real calling using Bluetooth Usually the volume of the phone s speaker is independent of the volume of Bluetooth device If you change the phone s level without make a Bluetooth calling you will only be changing the volume for the phone s speaker not the Bluetooth level To change the Bluetooth level make a call using the hybrid or a hands free headset and set the Bluetooth level to the maximum This setting is stored at the cell phone s memory If you use another cell phone with the hybrid you needs to set the Bluetooth level again To turn off HL203 s Bluetooth press and hold the Bluetooth button until LED turn off Page 9 2 4 AUDIO CONNECTIONS 2 4 1 Connecting to a console using send return for external Hybrid If the on air console have send and return to c
6. is used to once made or received the call take the phone line from the hybrid allowing the caller to listen while waiting the on air signal In order to air the call press AIR and open the corresponding channel on the console The function OFF disconnect the telephone line from hybrid and connecting to the phone set When the operator does not use a telephone line the switch must be OFF so that the line was connected to the phone set To receive a call line will be OFF so that the call rings on the phone If the phone is hung and you press OFF during a call you will lose communication To transfer the line is on the air to the phone you must pick up it first and then press OFF SOLIDYNE Telephonic Hybrids In each line a LED indicates if the line is on hold LED flashing on the air LED on or assigned to the phone set LED off 3 2 Using Bluetooth only HL203 VQ The Bluetooth stage start up by pressing and holding down BLUET until the LED glows green 2 sec approx After releasing the button the green led flashes slowly The cell phone must be switched on and less than 30 feet away BLUETOOTH 3 Previously HL203 should be linked to cell phone This is done only once as explained in 2 3 2 Bluetooth connection To avoid interference from other systems is desirable that the distance between the cell and the HL203 is always minimum 3 2 1 Receive a calling While the cell phone is in Blu
7. pair a cell phone without needing special cables The use of mobile phones for broadcasting was extended because they produce substantial savings in telephone communications thanks to corporate plans and promotional rates VQR Solidyne technology Voice Quality Restoration allows reconstruct the high and low frequencies that are lost in the telephone transmission The user can adjust the signal level restored from two independent knobs for bass and treble In addition VQR has a noise gate allows to obtain values of 7OdBA SNR in a telephone transmission This allows modern radios aspiring to be digital quality transmission can provide outdoor sound quality not detract local sound generated at the Studios The stylish design of the hybrid HL203 VQ and its technological advances makes it an excellent choice for radios that seek differentiated by its technology HL203 VQ may be associated with one or two units HL202 to increase the number of lines 5 and 7 respectively HL 202 SOLIDYNE Telephonic Hybrids HL203 VQ are presented in rack mount cabinets 1 unit high Main features HL 202 e Expansible to 4 or 6 lines Up to three units can be linked to obtain a system with 4 or 6 telephonic lines land line or cellular All lines are enabled to be in conference 100 compatible with cell phones phone line inputs supports direct connection of cell phones HL 202 automatically detects to the cell phone and switch
8. the input from mode 2 paths land lines to 4 paths cell phone An audio compressor in reception equals the sound level for all lines as well as originating on phone lines of high or low level Audio limiter The transmission channel to the remote speaker has a band filter to eliminate frequencies below 250 Hz and above 2 500 Hz to limit the return of signal Also a peak limiter at the filter output increase the perceived loudness at the other end of the line freeing to the operator from the level controls of the on air console A Priority System reduces the level of the interviewed people the caller when the local journalist interrupts them The operation is very simple and error free despite its security s logical and automated control circuits Page 5 e Recording Output allows 2 recording the conferences directly from the hybrid This output is a mix of the audio coming from the phone lines and the hybrid s audio input audio from studio console e Hold lines cue An output brings the audio of all hold lines HL203 VQ features e Wireless link using Blue tooth e signal processing to improve the audio quality of the phone calls e Expander Gate at the audio output to reduce the background noise present in most telephonic communications since the norms for telephony requires dynamic ranges of 40 to 50 dB while FM broadcasting requires 70 dB e Reception VU meter needle type wi
9. 203 VQ Enables discovery mode With Bluetooth switched off LED off press and hold the button BLUET 5 seconds until the LED flashes alternating between green SOLIDYNE and red indicating discovery mode Being in this mode HL203 VQ can be found by the cell phone 12 enable Bluetooth press and hold the button BLUET by 2 seconds Release the button just when LED lights Led will flash in green slowly indicating Bluetooth enabled If you hold BLUET button more that 2 seconds 5 sec approx Bluetooth changes to discovery mode toggling green and red 2 At the cell phone search for Bluetooth devices This procedure varies by brand and model cell see the user s manual of the phone 3 When the phone finds the HL203 s device shows the code BTH 008 on screen When the phone asks for the password enter 0000 default See your phone s manual for details 4 HL203 s ID is now stored at the cell phone s memory You don t need to repeat this procedure for this phone In the front panel of the hybrid the light will change to green flashing slow indicating that Bluetooth is active In some cell phones it is necessary to 25 connect the new device found to active it In others the new device is activated after being detected If there were other systems operating in the Bluetooth studios we commend turning off Bluetooth on the MB 2400 to repeat the search with the cell and write down the existing
10. ADVERTENCIAS The unit cans wok with 110 or 220 VAC A voltage switch on the rear panel selects the correspondent voltage AC ALWAYS CHECK THIS SELECTOR Voltage BEFORE PLUG IN CAUTION 7 ao _ In order to reduce the risk of electrical shock do not retire the covers of the cabinet The internal pieces do not require maintenance of the user Refer the technical maintenance to qualified personnel El cable provisto con el equipo posee conexion a tierra No lo reemplace ni use adaptadores ASEGURESE DE CONTAR CON UNA TOMA A TIERRA CONFIABLE The exclamation icon within a triangle that appears in this manual is intended to alert the user to the presence of important instructions on the operation and maintenance servicing of the equipment The pencil icon that appears in this manual Is to alert the user to the presence of notes suggestions and examples about the operation SOLIDYNE 1 OVERVIEW The professional telephone hybrids solidyne includes models HL202 a high quality hybrid that manages two phone lines and allows linking to expand its capacity up to 6 lines and the HL203 VQ which incorporates VQR signal processing and Bluetooth link Both models supports conferencing between the floor speaker and all phone lines be they land line or cell phones RJ11 connectors support landlines or cell phones connected by cable via speaker phone The detection is automatic HL203 VQ supports Bluetooth to
11. PHONE LINE FEQUENCY RESPONCE GAIN HARMONIC DISTORTION NIVEL DE RUIDO HYBRID REJECTION BALANCE OVERLOAD SAFETY LINES ISOLATION ALIMENTACION DIMENSIONS SOLIDYNE Active Hybrid with send and return gain auto adjusted by audio limiter and AGC Balanced telephone lines floating with ground isolation by Nickel Ferrite transformers VQR System to improve the audio quality of telephone lines HL203 VQ Constant level to console independent from line level due to the action of the internal AGC A 15 dB phone level change causes less than 3 dB change at the Output Output level control on the front panel Nominal level 4 dBu variable between 60 8 dBu Priority The speaker at the Studios have priority over the caller causing an attenuation fo 12 dB on the incoming call HL202 2 lines in conference with croosed gain The 2 inputs for land lines or wired cell phone are isolated and floating with transformer HL203 VQ Adds a third line through a cell linked by Bluetooth to avoid physical connections and allow up to 10 meters away The cell phone can be operated from HL203 receiving calls Band Pass filters in send channel limits response to 400 2 200 Hz to eliminate on air sound coloration Audio limiter to operate with signals from 5 to 8 dBu Nominal 4 dBm balanced 600 ohms or hi Z Adjustable level with needle Vumeter Symetric output with XLR 3 connector 0 dBm 1 dB measured over 2 KM artifici
12. Revision September 09 sSupyne SSuDYNe 2 ines Telephone amp Cellular Hybrid Saas we IGITAL POWER www solidynePRO com HIBRIDOS TELEFONICOS VOICE QUALITY RESTORATION vor HL 203 VQ PHONE LINE 2 202 2 486 lines 203 VQ 3 lines expansible up to 7 lines User s manual Solidyne SRL 3 de Febrero 3254 CP 1429 Bs As Argentina Tel 54 11 4702 0090 Fax 54 11 4702 2375 e mail info solidynepro com www sSolidynePRO com Page 2 Telephonic Hybrids SOLIDYNE CONTENIDOS Mantal eta 4 S i a ie 4 th MONTAGES esis r 4 A a a A ai 4 TOVERVIEW 5 ese es E 6 DIN STEIN Ga assess a cece cece cee see Ques 7 2 1 eaa ccazeegacenecuese 7 2 2 land INe Szia a a aaa aaa a i 7 Z2
13. We wa Wl Bal 2 WY ae ee 7 2 5 CONNECTING CELL PHONES 2 2 2 550 aa a Eea ai 8 231 Wired cell phones in 202 203 cites eis bie 8 2 3 2 Bluetooth wireless link only models HL203 VQ cccccccceececeeesseeeeeeeeeeeeeeaeeeeeesseeeeesseeeeeeseeeeeesseeeeeesaaeeeeeesseeeeeeees 8 2 32 1 LINKING the Cell phone 8 2 3 2 2 FRO COMMICC LIONS Aa mua 9 23 2 3 AGJUSUMG ANG VOLUME a 9 24 AUDIO CONNEC TIONS 22 10 2 4 1 Connecting to a console using send return for external 10 2 4 2 Hybrid send amp return in consoles 2300 lt 10 24 TRE COPGING OULD eter 10 2 4 4 Connection to consoles that have no external hybrid I O studio and live show consoles 11 ZA VE cre cos a E I es ad nee ER se 12 2 5 Expand the number OF Whe S
14. ace naga 19 TECHNICAL SPECIFICATIONS 21 SOLIDYNE Telephonic Hybrids Page 3 About this manual All rights reserved All rights reserved No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of Solidyne All mentioned trademarks belong to their respective owners and are used for reference only What s in the box v 1 Solidyne hybrids model HL202 203 VO according to correspond power cable 2 supports L for rack montage l link cable to link units 2 RJ 11 telephonic wires 4 self adhesive rubber pads 1 Warranty certificate 1 user manual WO OS ARS Please check that all components are okay when you receive the packaging About the montage Solidyne hybrids HL202 HL203 VQ_ designed for installation in a standard rack of 19 Require one unit 1U of vertical clearance They can also be placed on a table for which the supports are given for rubber to adhere to the base of the unit When mounting the equipment into a rack always use flat head screws with washers flexible plastic rubber Be sure to adjust the screws lower and then higher to prevent the weight of the unit to generate a lever arm on the upper corners Page 4 Telephonic Hybrids
15. al phone line 250 3 400 Hz 1 dB off VQR on HL203 improve the spectrum between 50 12 000 Hz Adjustable until 30 dB Lower than 0 2 at the console output at 1 kHz S R better than 75 dBA measured over 2 KM artificial phone line with VQR Better than 60 dBA without VQR Better than 40 dB send of 4dBu at 1 Khz Measured over 2 KM artificial phone line 15 wheels preset for each line Protection against overshoots with varistors SIOV Siemens Resist discharge capacitor charged to 2 000 V in laboratory tests Independents inputs balanced and floating with transformer Isolation 250 V CA 220 115 V 50 60 Hz with manual switch 10 VA 19 Rack mounting 1 U height Telephonic Hybrids Page 21
16. call on hold AIR button out or send it directly to air AIR button pressed But if you wants to talk in private with the caller you needs to return the call to the cell phone In our example this is done taking the call with the phone then accessing the Options menu and selecting the item like Use the phone Usually it s the first option in the main menu then you just needs to press twice on button Menu to have the call on the mobile e To transfer the calling to HL203 press menu in the cell phone Option Use hands free SOLIDYNE 3 2 2 Calling on the air and calling in hold The hybrid always send audio return to the cell phone with independence of on air button e When on air button is released you listen to who s calling through Hold output but not on the air signal is not send to Balanced Out When on air is pressed the phone audio is send to the console In this condition the calling is not listened at Hold 4 The function answer amp ends a calling from BUETH button may not be abble with some cell phones Many phones implement call back from the Bluetooth device In that case pressing BLUET in the hybrid phone will contact the last number dialed Check the phone manual 3 2 3 End a call You can ends the calling by pressing BLUET in the hybrid or from the cell phone Before you must quit the call from the air because when Bluetooth ends t
17. ccs ccs sas a cece ey es ee eee 12 2 10 PION SVS CO 14 2 OPERATION O rere roe 15 3 1 Managing TNES 2 Oeste Hate 15 3 2 Using Bluetooth only HEZ03 VQ wcsssssccsecs cscs 15 22 41 Receive 15 3 22 Calling IN MONG 17 ENGA een ene nee ee e 17 32 14 ON wacker 17 B S IOV 17 3 3 VOICE QUALITY RESTORATION ide ee eee tan 17 S0 USNE VOR ene 18 AN 18 de ec anche tid ht na ea le art 18 NOISE Control Ex Danie tat eet 19 ISSN se G
18. e central e Use a microphone connected to the console to send audio to the pone line e Send the microphone signal to the hybrid e g using the SEND bus If your console allows it assign the output of hybrid and the headphones to an independent bus AUD to dont interrupt the on air program while this adjustment If console do not allows this connect the headphones directly to the balanced output of the hybrid e Turns the BAL preset until reach the minimum level on headphones Proceed in the same way with the others lines Page 2 3 CONNECTING CELL PHONES 2 3 1 Wired cell phones in HL 202 amp HL 203 VQ Both RJ 11 inputs supports cell phones The cellular connects to the hybrid using the free hands connection that the cell phones have For make this you need an special RJ 11 cable adapter whose connection will depend on the brand and model of your cell phone You will need to purchase hands accessory correspondent to your cell phone and to check the user manual of the unit to make the connection according to the following indications SIGNAL 1 MIC SPEAKER SPEAKER GND Free hands cable provided by the cell phone dealer console viewed from contact side Original components on free hands cable Fig 2 Cell phone connected via hands free connector Cell phone connects directly LINE CELLULAR RJ11 The gt hybrid au
19. es In consoles that have no connection to send and return for external hybrid the hybrid will connect to a line channel The output of HL202 203 VQ Output to console is balanced XLR This output must be connected to a balanced line input on the console to send calls to air PGM To connect this output to an unbalanced input leave pin unconnected connect only 1 GND 2 signal LINE 1 RECORDING SEND LINE 2 TOPHONE MONITOR LINE OUT 62 gt o BAL BAL BALANCED PHONE LINE HYBRID LINK 0 dBu 5 10dBu PHONE LINE SET 10K SET T TO CONSOLE 4dBu Send to phone line is the audio input of the hybrid which receives audio from console and sends it to the phone line This input is connected to a secondary output of the console unlike the program output Aux Rec FX Logically the channel through which the hybrid signal enters do not be assigned to the mix that is sent to the hybrid Aux Rec FX etc because it will produce a feedback loop Never use the program out to send audio A to the hybrid because will cause a feedback loop when the hybrid s channel is sent to the air FEMALE XLR HL 202 203 VQ TO BALANCED 1 LINE INPUT 7 MAKE SURE PLUG THE UNIT TO GROUNDED AC OUTLET UNBALANCED AUX OUTPUT SEND OUTPUT PLUG MASTER PGM gt air or recording PGM DO NOT ASSIGN
20. etooth mode you can answer an incoming call from the hybrid with a short touch of the button BLUET Bluetooth must be turned on green light flashing slowly or can answer directly from the cell phone as explained below While receiving the call Bluetooth generates a signal ring a musical ring that you hear in the CUE monitor speaker CUE HOLD output Ensure that ON AIR button is not pressed to avoid that it go on air Page 15 Usually the incoming call is not sent directly on the air but you need to speak with the caller The following describes how to work with Bluetooth phones in various situations a Using a console Solidyne 2300 series The consoles Solidyne 2300 series have private communication circuit that operates with any external hybrid connected to the console When a calling incomes to the hybrid even via a mobile connected via Bluetooth the operator uses the talk back microphone of the console and the CUE speaker or headphones to talk to who s calling The Hybrid ON AIR fader must be in the CUE position Then at the end the private conversation the operator move the hybrid fader to the HOLD position to maintain signal retained with air return But when there is a call on the air a second calling enters to the Bluetooth cell phone the talk back circuit of 2300 console can not be used because it is disconnected when the first call is on the air see manual Solidyne 2300 To answer and talk wi
21. expand the number of lines The possibilities are 2 x HL202 3 x HL202 HL203VQ HL202 HL203VQ 2 HL202 4 lines 6 lines 5 lines one Bluetooth with VQR audio processing 7 lines one Bluetooth with VQR audio processing Figure 4 next page shows the connection cable for two and three units using male DB 9 at both ends Figure 5 page19 shows the connection of 2 HL 202 units Audio connections can be made over any unit Both units presents simultaneously the audio signal at XLR connector and both receives audio frem console no matter to witch unit the signal enters Send to phone line Therefore we recommend to connect the audio to the same unit When connects a HL203 and HL202 audio connections are made over HL203 You can make conferences between any lines or between all lines land lines and cell phones CUE outputs are independent in each hybrid Each CUE output gives audio of the lines plugged to this unit D All units can be connected to the AC outlet FLAT RIBBON CABLE 5 1 MALE MALE DB 9 DB 9 4 LINES 6 LINES Figura 4 cable link BS The cable for link two hybrids is included from factory SOLIDYNE Telephonic Hybrids Page 12 00 ejosuog off afl sh AA aE s s 38 HA EIEE WE UE J Jayeods nb un uo JOOUUOD s nd no JNO 5 5 AND 02 1
22. he calling generates a beep If the hybrid is on the air this beep is heard on the air 3 2 4 Power off Bluetooth Press and hold the BLUETH button until the LED flashing in red and stay off 3 3 Output level The unit has an output level control acting on Output to Console This control allows to compensate the level for a communication that reaches very SOLIDYNE Telephonic Hybrids attenuated HL203 VQ model has a needle type VU meter which shows the console output level It is important to maintain the appropriate level to excite the VQR stage correctly The optimum working level is 0 VU with the needle in the red zone only during short peaks When operates with Bluetooth rememmber to check that the volume of cell phone be at maximum 3 3 VOICE QUALITY RESTORATION VQR only models HL203 VQ solidyne Voice Quality Restoration is a type of audio processing that allows improving the audio quality of a telephone communication This technique bases on the reconstruction of the spectrum lost due the transmission As you know the bandwidth transmitted through telephone line reduces approximately to 300 Hz 3 000 Hz because this is the range of the human voice Therefore the components of low and high frequency presents in the original signal are lost in the transmission These components although are not important for the understanding of the words ARE VERY IMPORTANT FOR THE
23. ir therefore the control Hi Band has an ample rank of action The reconstruction level or amount of highs added to the signal depends on the quality of the transmission This stage will be affected mainly if the line has much background noise REMEMBER The optimal level of work is obtained when the indicator MID BAND lights with the signal peaks Lower audio levels can affect the behavior of the VQR processing SOLIDYNE NOISE Control expander This control is used to reduce the background noise present in the phone line It acts only during the silences in the conversation attenuating the level of the signal to suppress the noise This is quick action gate reason why its effect is imperceptible with normal levels of noise not affecting the word The NOISE fader acts changing the threshold of the expander gate When background noise is under this threshold the expander gate works attenuating the noise Closing the fader the expander gate is turned off When opening the fader increases the threshold that is to say the signal level below which the expander gate goes off The action of the expander gate is showed in the display by the NOISE CONTROL indicator How use this control Increase the threshold raising the NOISE fader until eliminating the background noise An insufficient level will do that the noise remains although reduced An excessive level will cause that the audio appears intermi
24. l signal With the fader closed there is no reconstruction for low frequencies The level of reconstruction or amount of low frequencies that is possible to add to the signal depends on the audio quality of the telephone line all communications don t transmit the same bandwidth and the telephone or microphone used at the other end Obviously same results are obtained using the small microphone of a cellular telephone or a microphone of good Page 18 Telephonic Hybrids quality with a portable console at least quality has the transmission smaller bandwidth smaller will be the action of VQR processing Make sure to listen to the processing in the main monitors of the control room to avoid an excessive reinforcement of lows in the processed signal that can take place if you are monitoring the communication using small headphones or loudspeakers of bad quality Hi band controls the level of high frequencies added to the original audio coming from the telephone line With the fader closed the high processing deactivates The action of this control is much more critical that the Low Band since an excess of highs processing will generate an artificial sound and in extreme case crashed high sound can take place that will be annoying to the listener On the other hand consider that an A M radio can require more emphasis in high frequency than a FM to obtain a well known improvement on the a
25. n the caller e To improve the audio quality of the local voice attenuating the signal fails to reject the hybrid in no analog hybrid the rejection of sent signal is at all Be careful not to use background music at high level if the priority circuit is enabled as the background music will cause the attenuation of the audio incoming from telephone line In conventional interviews and dialogues the action of priority system is natural and is not detected by the listener However in some specific applications such as music competitions in which the listener must guess the song title by priority attenuation can cause undesirable effect by reducing the audio level of the phone line In these cases the priority can be disabled by removing an internal jumper Remove the top cover of the hybrid and remove the jumper shown above Once the priority is disabled the level of the phone line is fixed Page 14 Telephonic Hybrids PRIORIDAD Con puente de f brica activ ada SOLIDYNE 3 OPERATION 3 1 Managing phone lines A button system allows each phone line taken from the hybrid ON AIR retained with on air audio HOLD or transfer it to a telephone set OFF PHONE LINE 1 PHONE LINE OLD ON AIR 29 QO The call is generated from an associated phone But it can be received with your partner or directly from the Hybrid as a blue LED ring flashes indicating incoming call The HOLD function
26. on External hybrid HL 202 203 connector in Send to phone consoles 2300 line output TRS 1 4 plug mono 1 4 female XLR pin 1 pin 3 n c Balanced Sleeve GND I O connection to an external hybrid in Solidyne 2300 consoles Stereo plug brings two cables Y cable shield and conductor Belden type See Figure 5 in page 19 sleeve For Solidyne consoles of other models and 25 for consoles of others marks check the user s manual for send and return conections to external hybrid If the console do not have conection Si la consola no tiene para envio retorno de hibrido externo el HL 202 debera conectarse a un canal de linea como se explica mas adelante In the console 2300 external hybrid signal is sent to the hybrid control at Master module See the manual for the operation console with external hybrid Remember that the three line hybrid built on consoles Solidyne 2300 is kept working when you connect an external hybrid able to work in conference with internal and external lines console with serial ending in C 2 4 3 Recording output The recording output mix the incoming signal from telephone line and the hybrid s local audio Send to phone input This enables the recording of conference including the Studios The output level is fixed 0 dBu 10Kohms SOLIDYNE 2 4 4 Connection to consoles that have no external hybrid I O studio and live show consol
27. onnect external hybrid the connection is simple e The output connects to HL 202 203 Return from external hybrid console which is an input Note that the output of the hybrid is balanced To connect this output to an unbalanced input leave unconnected pin 3 connect only 1 gnd 2 signal e HL202 203 input connects to Send to external hybrid E This outpus is mix minus that is to say is the PGM mix but without the hybrid signal the input Return from hybrid This avoid feedbacks loops Note that the live show or studio consoles usually don t have mix minus outputs For this cases see connections in 2 2 4 Connection to studio consoles 2 4 2 Hybrid send amp return in consoles Solidyne 2300 series The 2300 series consoles with master Solidyne 2307 provide connection to send and return hybrid through a stereo jack 1 4 located on the rear panel In this way the external hybrid is also managed from the hybrid s fader avoiding having to use input channels for connection of the hybrid You can ask Solidyne on purchase of hybrid the cable to connect to 2300 console Or you can assemble yourself The cable will have a stereo plug TRS 1 4 that connects two shielded cables shield and one conductor One cable connects the tip to a mono plug TS 1 4 and the other one connects the ring to a Page 10 Telephonic Hybrids female XLR The following table shows the connecti
28. th back light Bluetooth The MB 2400 supports audio transmission and reception using a cell phone linked to the console Bluetooth When the console transmits streaming by landlines or mobile phone connected by hands free cable Bluetooth link can establish a second telephone call that can be sent to the air Channel 6 sends Bluetooth to program Page 6 Telephonic Hybrids Bluetooth wireless technology allows to connect compatible devices without cables A Bluetooth connection does not require that the devices be in line of sight but the devices Should be within 10 meters from each other 3 meters maximum recommended for safe operation Connection can be subject to interference from obstructions such as walls or other electronic devices SOLIDYNE 2 INSTALLING 2 1 Power source The unit is connected directly to the AC outlet using a standard 3 prong power plug AC 0106 type provided with the unit At the rear panel there is a 220 110 V switch which must be manually settled to the correspondent position The unit have an on off switch gt CHECK THE 110 220 V SWITCH BEFORE PLUG TO AC OUTLET 2 2 Connecting land lines On rear panel see Fig 1 there are two pairs of connectors RJ 11 type Line 1 Line 2 where the pone lines and their correspondent telephones sets are connected LINE 1 CUE LINE 2 OUT TO PHONE MONITOR LINE ii We BALANCED
29. th the cell phone while another line is on the air proceed as detailed below The same procedure applies to the use Bluetooth with conventional consoles b Using consoles without external hybrid connection or a Solidyne 2300 with a call on the air There are two cases When the console does not have a dedicated communication channel talk back microphone assigned to the hybrid and the Bluetooth cell phone receives a Call e When the talk back channel is available to have another call on the air Solidyne 2300 with a call on the air When using land lines associated with a telephone set lets you resume the call at Page 16 Telephonic Hybrids any time to talk in private even when other lines on the air The telephone set connects at rear panel to the output labeled Telephone Set While in the case of mobile phones connected via Bluetooth is not associated phone set connected to the line can be operated similarly In order to operate comfortably is recommended to verify when choosing a cell phone which possessed the call option to switch between the Bluetooth device and phone The following procedure may differ slightly between different brands of phones so we advise to consult the manual Initial condition Cell phone linked with HL203 Bluetooth enabled in HL203 Procedure e When the phone rings you can answer the call directly from the hybrid pressing Bluet to put the
30. tomatically detects the cell phone and changes the input mode from 2 paths to 4 paths Page 8 Telephonic Hybrids The cell phone transmits through the free hands connector the audio gt signals microphone loudspeaker HL202 203 receives via cell phone the remote audio that is to say the audio of who is at the other end of the line On the other hand the hybrid sends to the cell phone the audio from the Studios return signal Usually the microphone and the loudspeaker at the cell phone are disconnected when the phone operates in free hands mode 2 3 2 Bluetooth wireless link only models HL203 VQ HL203 VQ supports connection of a mobile phone via Bluetooth link Any phone with Bluetooth can be linked to the HL203 VQ eliminating dependence on the headset cable which differs in each cell Also allows the cell to be located up to 10 meters away from the hybrid The Bluetooth wireless link provides better audio quality since the signal remains digital from the cell phone to the HL203 VQ 2 3 2 1 Linking the cell phone with the hybrid By linking cell phones to the hybrid creates a link between two devices and allows the phone to remember the unique ID of the HL203 VQ Do you need to make this only the first time that use the phone Once the hybrid and the phone are linked the hybrid automatically connects to these phone when you enables Bluetooth both devices Procedure 1 HL
31. ttent Next some important tips to take in mind when use this control f the background noise in the communication is very high will be always over the maximum threshold fader at top with which the expander gate will not work correctly e Consider that the expander gate releases whenever the audio signal is below the threshold If the background noise is very variable in level noise from street for SOLIDYNE Telephonic Hybrids example it agrees not to use the NOISE CONTROL to avoid that during the pauses it activates and deactivates generating an intermittent background sound In these cases it is preferred to leave the ambient noise Also happen that the background noise is very notorious a strong humming or buzz and although the gate can attenuate it during the pauses the effect appearance and disappearance of the noise is more annoying than the own noise due to psychoacoustic phenomenon according to which the ear is accustomed to the floor of constant noise when concentrating the attention in the word According to these advice the good criterion of the operator will determine when it will make use of the noise gate and in which cases it will prefer not to use it Page 19 Page 20 Telephonic Hybrids SOLIDYNE 4 TECHNICAL SPECIFICATIONS TECHNOLOGY AGC OUTPUT LEVEL TELEPHONIC INPUTS AUDIO SEND FILTERS INPUT LEVEL OUTPUT TO CONSOLE SEND TO
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