innkeeper LTD Manual (web)
Contents
1. This blue jumper should be close to the center of the circuit board with a label printed on the board The default position for this jumper is closed covering both pins Changing the jumper to the open position either remove the jumper or cover just one pin will provide 6 dB attenuation of the incoming audio signal Auto Answer The Auto Answer feature will answer on the first ring When Auto Answer is enabled you can still make calls manually using the Call button When finished you can either drop the call manually or al low the call to Auto Disconnect Innkeeper LTD will look for a CPC disconnect signal from the phone company to determine when a call has disconnected This can take up to a minute 13 Remote Control Jack The RJ 45 jack on the back of the innkeeper LTD provides connec tion to a JK Audio Guest Module 1 remote control device or it can be wired to the switch contacts on your broadcast console Do not connect this jack to the network port on your computer RJ 45 Pinout Pin 1 Ground Pin 2 Call Drop Control main control pin Pin 3 Ring OH LED Pin 4 DIMF Input Pin 5 4 3 VDC Pin 6 Reserved Pin Reserved Pin 8 Reserved Momentarily connect pin 2 to pin 5 povver through a 100 ohm 1 4 watt resistor to take innkeeper LTD off hook Momentarily connect pin 2 to pin 1 ground through a 100 ohm 1 4 watt resistor to release Drop the phone line Pin 3 contains a 4 3 VDC 40 mA current limited o2. innkeeper LTD needs repair you must call us to get an authorization and then carefully pack and ship it to us You will pay for shipping to us and we will pay for return back to you UPS ground No free repairs will be made if the defect was caused by misuse weather conditions or other cause except for defective workmanship or materials THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTY HERE MADE 06 09 JK Audio Inc 1311 E 6th Street Sandwich IL 60548 USA Voice 815 786 2929 Toll Free 800 JR Audio Fax 815 786 8502 info jkaudio com www jkaudio com Copyright 2009 JK Audio All rights reserved
3. of the call A PBX phone system can be programmed to provide an analog line Check with the telephone specialist in your building for the possibility of resetting the characteristics of your analog line to pro vide an appropriate CPC disconnect signal 15 Specifications Input Send Output Caller Remote Jack Phone Line Jack Isolation Ringer Frequency Response Power Size Weight Balanced Female XLR 20k ohms 500 mV RMS 4 dBu nom Balanced Male XLR 200 ohms 500 mV RMS 4 dBu nom 14 dBu Max RJ 45 RJ 11C 1500 VAC 0 8B REN Telephone side 200 Hz 3600 Hz 120 240 VAC power supply included 7 6 x 5 3 x 1 5 20 x 14 x 4 cm 2 pounds 1 2 kg 16 Q E Q x Q Q en yoer uouq xny oer eur euoug no 1 e O A 4 J9 E2O PUGAH leu61a 9 9 9 pues jndu PUSS Figure 6 Block Diagram 17 FCC Part 15 Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipm
4. technical questions are covered on later pages Table of Contents INTOCUCUONS te ed Ga dnd ene ee GE Grek n oodd 2 Warnings and Safety Precautions 4 Features PORE VICW ed EE ac mu ER PES Daha 5 Rear VIGW uu osx EE Xu Gree o ESE EES Bits 6 GONNECING Cables seori grex E d de ao Sau yee ots 7 Setup diagrams Studio Mix Minus Setup 8 9 Mix Minus Explanation 10 Simple Mix Minus Setup 11 PA Sysiem Selup wx deed d aeri cheeses 12 Alternative to Mix Minus Setup 12 Operation Auxiliary Telephone 13 Optional Jumper Settings 13 Auto ATISWOF 5s sex ee eec pe we xd ox Rx ax 13 Remote Control JacR 14 Optional Guest Module 1 14 FAQS oA da 9492 SUA A EAS EAE LCD b PARS bansa DR 15 SDOCHIGOHIOHIS s uae nta a iota n bara deae Sum dd we 16 BIOCK DIAG vc a da rto ied HER a we P DR ORCHARD ong ea 17 FCC Compliance and Registration 18 19 Warranly evisos sea Eae wa rere AR Eb bus Sas a 20 Warnings and Safety Precautions 1 2 3 4 5 10 Read and keep these instructions Heed all warnings Follow all instructions Clean only with a soft dry cloth Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do no
5. that both green lights are on while you speak and you only occasionally see the red light Some mixers may have an Aux Send master control that will affect the audio level you send to the innkeeper LTD You should start with this knob at 12 o clock and adjust it if necessary to get the correct level on the innkeeper LTD Next set up a call on your phone line Press the Call button on the front of the innkeeper LTD As the Caller speaks adjust the Gain knob on the mixer for the channel you have the Caller audio con nected to Channel 4 on this diagram until the Peak light for that channel comes on then reduce the level slightly just until the light goes out Now you are ready to go These settings should work for most phone calls 9 Mix Minus Explanations Why do need a Mix Minus Setup Mix minus is an audio signal that is designed to avoid feedback and echo in a conference or telephone interface application When connect ing a phone hybrid to a mixing console the caller s audio will be con nected to an input channel on the mixer along with all the microphones music etc All of these inputs combine to create the Master mix to be sent to your broadcast recording device or the speakers of your PA system However if you connect this Master mix to the input of the hy brid you are also sending the callers own audio back to the caller This completes a feedback loop and creates a strange and annoying echo That is why it is impo
6. In most but not all areas the sum of the RENs should not exceed 5 0 To be certain of the number of devices that may be connected to the line as determined by the total RENs contact the local telephone company Repair Instructions If it is determined that your telephone equipment is malfunctioning the FCC requires that it not be used and that it be unplugged from the modular outlet until the problem has been corrected Repairs to this telephone equipment can only be made by the manufacturer or its authorized agents or by others who may be authorized by the FCC For repair procedures follow the instructions outlined under the warranty section of the manual Rights of the telephone company If telephone equipment is causing harm to the network the telephone company may temporarily discontinue your telephone service If possible they ll notify you before they interrupt service If advanced notice isn t practical you ll be notified as soon as possible You l be given the opportunity to correct the problem and you ll be informed of your right to file a complaint with the FCC Your telephone company may make changes in its facilities equipment operations or procedures that could affect the proper functioning of your JK Audio product If such changes are planned you ll be notified by your telephone company 19 Innkeeper LTD is covered by a 2 year warranty to be free from defective workmanship and materials In the event that the
7. ao Far a a SI 88000008 808000089 6i Figure 3 Studio Mix Minus Setup Studio Mix Minus Setup Following the instructions in the owners manual for your audio mixer connect your microphones headphones and recording de vice and set the levels on your mixer On the front of the innkeeper LTD set the Send and Caller volume controls to center To connect the innkeeper LTD to your mixer use a balanced female XLR cable with an adapter if necessary not included to connect the Caller jack on the back of the innkeeper LTD to any unused Line input on the mixer Using a balanced XLR male to 1 4 cable not included connect the Post Fader Aux bus output Aux Send B on this mixer diagram to the Send XLR input on the innkeeper LTD On your mixer locate the row of Aux B knobs This row of knobs will set the level of each input channel to the Aux B output which is sent to the phone caller Turn all of these knobs to 9 o clock except for the channel you have the Caller from the innkeeper LTD connected to Channel 4 in this example This Aux B knob should be set fully off hard left on most mixers Speak into your microphone and watch the level indicators on the mixer Adjust your Mic Level so your audio is at 0 dB on the meter most of the time and occasionally up to 3 dB Repeat for each mic Next check the Send level meter on the front of the innkeeper LTD Adjust the Send volume control on the innkeeper LTD so
8. can achieve the same results using Pan controls with the Left and Right outputs Simply pan the Caller to the Right output Then connect only the Left output to the innkeeper LTD Send XLR This signal should con tain all inputs except the Caller Or you may use an external Mix Minus device that will create this signal for you 12 Auxiliary Telephone An auxiliary telephone provides you with an easy way to dial out or set up your calls Innkeeper LTD will disconnect the auxiliary tele phone when you press the Call button If you need to take the call back on the aux telephone simply pick up the telephone handset before the innkeeper LTD s Drop button is pressed To use an auxiliary phone equipped with a Hold feature to place or screen a Call first set up the call and place the call on hold When you are ready to take the call on innkeeper LTD press the Call but ton and your telephone will automatically release the hold Your phone will operate as a normal telephone anytime you are in Drop mode Leaving the hybrid connected between the wall jack and your telephone will not affect normal use of your phone Audio will only pass through the hybrid when you press the Call button Optional Jumper Settings If the incoming Caller level is too high and peaking the red 3 dB LED you may need to change the setting of an internal jumper Dis connect power from the hybrid and remove the cover of the inn keeper LTD to locate Jumper 1
9. ent in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Changes or modifications not expressly approved by JK Audio can void the user s authority to operate the equipment FCC Registration Your new JK Audio product has been registered with the Federal Communications Commission FCC This product complies with the standards in Part 68 of the FCC rules 1 Connection and use with the nationwide telephone network The FCC requires that you connect this telephone equipment to the national telephone network through a USOC RJ 11C modular telephone jack This equipment may not be used with Party Line Service or Coin Telephone Lines This equipment is hearing aid compatible 2 Information for the telephone company Upon request from your local telephone company you are required to provide the following information a The line to which you will connect the telephone equipment that is your telephone number and 18 FCC Registration continued b The telephone equipment s FCC registration number This can be found on the bottom of your telephone equipment and c The ringer equivalence number REN for this equipment The REN is used to determine the quantity of devices which will be connected to the telephone line Excessive RENs on the telephone line may result in the devices not ringing in response to an incoming call
10. ine Connect the supplied RJ 11 phone line cable between the jack marked Line and your wall jack Be sure this jack can support standard single line analog telephone operation 2 Send Audio Connect a line level audio signal from the output of your other equipment such as a mixing console or PA system to the XLR Send jack on the innkeeper LTD 3 Caller Audio Connect the Caller output jack to a line level input on your mixing console or other equipment 4 Power Connect the supplied AC power cord to the back of the innkeeper LTD and then to an AC power outlet protective device at all times both for the power connector and for the telephone line to avoid damage from lightning or electrical surges This device should be connected to an adequate surge Your innkeeper LTD is now ready to take calls You may want to connect an auxiliary phone to the innkeeper for call setup or you can simply use Auto Answer or the Call button to answer an incoming call Studio Mix Minus Setup Auxiliary telephone optional Used to dial out to set up calls Remote Line Ptione p I eve innkeeper LTD 8 JK Audio Inc Send www jkaudio com Center Caller to line level Aux Send B post fader on input on mixer mixer to Send on hybrid Number of mics depends on mixer jj Use Main Outputs USB or Firewire connectors to send audio to recording device or broadcasting equipment inputs oi
11. innkeeper LTD Digital Hybrid innkeeper LTD Digital Hybrid User Guide JK Audio Introduction Innkeeper LTD allows you to send line level signals into the phone line while maintaining excellent separation between your voice and the caller The balanced XLR output jack contains only the caller s voice making this the perfect companion to mixers consoles and PA systems that demand talk show quality audio from a phone line The digital hybrid connects audio signals to a standard analog phone line without the transmit receive crosstalk common to analog hybrids Its Digital Signal Processor DSP continuously monitors both the phone line and audio signals to deliver excellent separa tion This proprietary dual convergence echo canceller algorithm can achieve separation typically exceeding 50 dB without any setup and without sending a noise burst down the line While this may sound complicated it s all done automatically during every call Ready to go The innkeeper LTD controls and connectors are clearly marked and ready for operation The Features Setup diagrams and Operation sections on the following pages will help you answer any minor questions that you may have If this is your first exposure to a hybrid we suggest that you read the entire manual to allow you to take advantage of all these features Any Questions Before you pick up the phone Please thumb through the rest of this manual You might find those deep
12. ller will not hear 10 Simple Setup for Mixer me Line Phone e 2 innkeeper LTD Q JK Audio Inc AN Caller Send www jkaudio com Center teckel to any line Aux Send A pre fader on level teckel on mixer mixer to Send on hybrid Number of mics on mixer Use Main Outputs USB or Firewire connectors to send audio to recording device 09000008 o amp k d 90000000 Qi k 4 8 r gt Jaf 1 P as Hd mak For whichever input channel you have the Caller connected to turn the corresponding Aux A control to minimum usually hard left All other Aux A controls should be set for what you want to send to the phone line Each Aux Send bus is completely separate from all other outputs so these Aux controls will not affect what is heard on the Main outputs or on any other Aux buses This Aux Send bus should be pre fader if possible SO you can use the Level controls faders to set each channel at the main recording output without changing the levels you send to the caller Figure 4 Simple Setup for Mixer 11 PA System Setup Auxiliary telephone optional Used to dial out to set up calls Remote Line Phone e innkeeper LTD o JK Audio Inc Send www jkaudio com Center Speakers ie A t PA System Console Figure 5 PA System Setup Alternative to Mix Minus Setup If your mixer does not have an Aux Send bus you
13. one line after the DSP 7 Send Level Recessed volume control adjusts the signal that you are sending down the telephone line 8 Caller Level Recessed volume control adjusts the level of the signal coming in from the telephone line going out the Caller XLR jack Features Rear View 9 10 11 12 13 14 15 Remote innkeeper LTD JK Audio Inc Aie Caller www jkaudio com Center Figure 2 Back View 9 Phone Line Connect only to a standard single line analog telephone line 10 Aux Phone Connect a single line analog telephone for call setup dialing or producer call screening 11 Auto Answer This button enables innkeeper LTD to auto matically answer an incoming call and then disconnect after the caller hangs up Auto Answer will occur on the first ring 12 Caller Output Male balanced XLR line level output contains only the caller s voice 13 Send Input Female balanced XLR line level input for signals going out to the phone line 14 Remote Control Jack 8 pin modular RJ 45 jack for connec tion to the optional JK Audio Guest Module 1 Remote Keypad or your broadcast console switch contacts Do not connect this jack to your computer network port 15 Power For connection only to the supplied 9VDC regulated power supply Connection Connecting Cables Although each application will require a slightly different setup there are some cables that everyone can agree upon 1 Phone L
14. per LTD should work great If you have to use a specific telephone you should consider our PBXport digital hybrid instead The caller s audio is too high and is always distorted even though I have the Caller level control turned down low What else can do The Receive LED meter will indicate the level of audio coming in from the telephone line just after it passes through the DSP The Caller level control will only set how much of that audio will be sent to the output jack and will have no effect on the LED meter If your incom ing audio level is unusually hot and already peaking the 3 dB LED there is a jumper on the circuit board you can change to attenuate the incoming audio Please see page 13 for more information I have my new innkeeper LTD connected to the phone jack in my office Why does it keep dropping the calls as soon as try to connect it The telephone jack in your office is very likely for a multi line phone system The jack may look like a standard phone jack but it is wired differently and may carry voltage on different pins which could cause serious damage to your hybrid Innkeeper LTD should only be con nected to a single analog phone line Check with the telephone spe cialist in your building for the possibility of getting an analog line for your innkeeper LTD My innkeeper LTD is connected to an analog line at my office location and will auto answer an incoming call Why won t it auto disconnect at the end
15. rtant to create a special mix that contains a mix of all the microphones music etc Minus the callers audio Wireless Phone Interface Mix Minus Caller l PA System OG OOC Mix Plus Caller Broadcast Audio Mixer Podcast etc Which Mix Minus Setup Should I Use Most radio stations and recording studios should use the Studio Setup shown on pages 8 9 Using an Aux Send output that is Post Fader will keep the audio that is being sent out to the caller tied to the same out put you send to your broadcast or PA system This way your sound engineer can more easily control each channel During a station break the talent microphones can be muted simply by turning off the output level knob or slider and their audio will not be sent to the broadcast or to the caller If you have a small studio and you use your wireless phone hybrid to record interviews you might consider using the Simple Setup on page 11 When the Aux Send output is Pre Fader the levels you set on the Aux Send controls will only affect what the Caller hears and the levels you set at the output faders will only affect the recording or broadcast If the talent wants to be able to talk to the caller during station breaks this is the setup you should use although the talent would need to con nect their headphones to the hybrid instead of to the mixer You should also use this setup if you want to be able to send music or sound ef fects to the broadcast that the ca
16. t defeat the safety purpose of the three prong grounding type plug If the provided plug does not fit into your outlet con sult an electrician for replacement of the obsolete outlet Do not use this unit if the electrical power cord is frayed or bro ken The power cord should be routed so that it is not likely to be walked on or pinched by items placed upon or against it To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Refer all servicing to qualified service personnel The following warning symbol may be used elsewhere in this manual The exclamation point within an equilateral triangle is intended to alert the user of the presence of important operating and maintenance servicing instructions in the user guide Features Front View Call Drop O innkeeper LTD Digital Hybrid OH 20 9 3 Send Send Caller Caller JK Audio Figure 1 Front View 1 Call Button Takes the phone line off hook press this button to answer a call or to direct a call from your phone through the hybrid 2 OH LED Lit when you are on line with a call off hook LED will flicker when you have an incoming call 3 Drop Button Press this button to drop hang up a call 4 Send LEDs Indicate the signal level going out to the phone line 5 Power LED Indicates that the unit is receiving power 6 Caller LEDs Indicate the signal level coming in from the ph
17. utput to drive a signal LED We suggest adding a 200 ohm 1 4w resistor in series with an LED connected to ground Pin 5 supply output is current limited to 100 mA with a resettable fuse for use with the Guest Module and pin 2 connections Do not attempt to power additional circuitry from this pin Guest Module 1 This convenient device gives you remote access to the on hook off hook and dial features of the innkeeper LTD The Call button will flicker when a call comes in and stay lit while a call is present When you dial out using the Guest Module 1 keypad tones are sent directly down the phone line and do not come back mixed with the Caller audio This device can be used to send DTMF tones to digital phone services such as a conference bridge without the tones being recorded Contact your JK Audio dealer for more information on this optional accessory 14 Does the innkeeper LTD send a burst or beep down the phone line at the beginning of each call like our current hybrid No innkeeper LTD uses the actual transmit signal to evaluate the phone line and tune its algorithm As you begin to speak innkeeper LTD is hard at work canceling your voice from the Caller Output jack Within milliseconds your voice is reduced into the noise floor Can I use the innkeeper LTD on a VoIP line Many VoIP lines have an analog telephone adapter you can connect your telephone to If you can use any standard analog telephone then innkee
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