JK Audio Innkeeper 1x user manual
Contents
1. line level input Mix Output Male balanced XLR output contains a mix of send and receive audio determined by the send gt mix level and caller gt mix level controls Caller Output Male balanced XLR output contains only the callers voice Remote Control Jack 8 pin modular jack for connection to the JK Audio Guest Module 1 Remote Keypad AC Power Universal AC power input for 100 240 Volt 50 60 Hz supply current Aux Phone Connect a single line analog telephone for call setup dialing or producer call screening Phone Line Connect to a standard single line analog telephone line Mic Line switch Sets the front end sensitivity of the Send XLR jack Set to Mic if you intend to plug a microphone directly to the Send jack Set to Line if you are connecting to a mic mixer Remote Terminals Screw terminals provide connections for a small loudspeaker remote LEDs tape recorder control or console call control switches Operation Connecting Cables Although each application will require a slightly different setup there are four cables that everyone can agree upon Phone Line Connect the supplied RJ 11 phone line cable between the jack marked Line and your wall jack Be sure this jack can support standard analog telephone operation Send Audio Connect a microphone or mixing console output XLR cable to the Send jack on the innkeeper Be sure to set the innkeeper mic line switch to the proper position for2. other This only affects the outputs of the innkeeper 1x not the signal sent to the caller through the phone line Caller Ducking The Caller Ducking option can be used to temporarily drop the caller s voice by about 20 dB This feature is especially useful when you need to regulate an obnoxious caller Dry Lines innkeeper was designed to work on standard wet telephone lines as well as on custom pbx dry lines Dry line installation is always a custom configuration and requires substantial telephone system knowledge These installations are found in radio and television studios for both PBX and intercom applications Wet lines are typical tip ring telephone lines that carry ring voltage talk battery and full duplex balanced audio over two wires to an analog telephone Dry lines carry the balanced full duplex audio but without the ring voltage or talk battery innkeeper does allow dry line operation with a few limitations Of talk battery is not present when the Call button is pressed a dry line is assumed lf talk battery suddenly appears during a Dry Line call it becomes a wet line call and auto disconnect will occur when a disconnect signal occurs or if talk battery disappears Auto answer does not work on a dry line The aux telephone jack will not support an analog telephone during a Dry Line call Operation continued Rear Screw Terminals Speaker Minimum 8 ohms 1 watt max Speaker U
3. Call Button Press this button to answer or place a telephone call takes the line off hook Ring LED Flickers when you have an incoming call OH LED Lit when you are on line with a call off hook Drop Button Press this button to drop hang up a call Signal LEDs Send LEDs represent the signal level going out to the telephone line Receive LEDs represent the signal level coming from the phone line after the DSP AGC press this switch to allow the innkeeper 1x to automatically adjust the gain of local and remote audio Caller Ducking press this switch to lower the caller s audio level by 20 dB Presence press this switch to boost the low end of the caller audio signal Presence is added to the caller audio signal only 1 kHz tone generator press this switch to send a 1kHz tone down the phone line Auto Answer Press this switch to enable the innkeeper to automatically answer an incoming call and then disconnect after the caller hangs up Auto answer will occur on the first ring Features continued 15 20 21 22 23 24 25 Headphones The stereo headphone jack contains the signal that you have created with the send gt mix level and caller gt mix level controls Both left and right channels get the same signal Mix Monitor Adjusts the mix signal level sent to the headphone and rear panel speaker terminals Send Input Female balanced XLR input for signals going into the phone line Mic or
4. JK Audio innkeeper 1x Digital Hybrid User Guide a sI tx pita as o tr se sa ad na Telephone Interface Products Introduction Innkeeper 1x will allow you to send and receive audio over analog telephone lines While this may seem like a simple task that any telephone can do the challenge is getting the best quality audio from such a miserable audio path What is a Digital Hybrid A digital hybrid connects audio signals to a standard analog telephone line without the variations in quality found with analog hybrids The main function of a hybrid is to bring in the callers voice from the phone line as clear and clean as possible In the real world when you send your voice down the telephone line it has a tendency to bleed over into the callers audio The hybrid must adapt to the phone line in order to properly separate transmit and receive audio We use a 16 bit DSP to continuously monitor the phone line and audio signals to deliver excellent separation Our dual convergence algorithm can achieve excellent trans hybrid loss typically exceeding 50 dB without any setup Ready to go The innkeeper controls and connectors are clearly marked and ready for operation The Feature diagram will help you pinpoint 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
5. casional flashes of the red 3dB peak Send LED These flashes should occur during loud speech bursts If the red LED stays lit for extended periods you can assume that much of your speech is being clipped or distorted In this case you should back down on the Send volume control Receive Signal Level The receive LEDs display the signal coming from the phone line and out of the DSP The Caller level control does not change what you see on these LEDs Adjust the Caller level control to give you the best signal at your equipment Presence The Presence feature is a custom digital filter that boosts low frequencies in the 120Hz to 500Hz region to compensate for losses in the telephone network This is a single ended algorithm that treats only the caller signal before it leaves the digital hybrid You may notice that is has more of an effect on low pitched or deeper voices Auto Answer The Auto Answer feature will answer on the first ring When Auto Answer is enabled you can still take calls manually using the call button When finished you can either drop the call manually or allow the call to Auto Disconnect innkeeper will look for a CPC disconnect signal or ROH message from the phone company to determine when a call has disconnected This can take up to a minute Operation continued AGC When the Automatic Gain Control is used innkeeper 1x automatically adjusts the levels of the talent and caller so neither is overpowering to the
6. lem 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 11 Innkeeper 1x is covered by a 2 year warranty to be free from defective workmanship and materials In the event that the Innkeeper 1 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 EXPRESS OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTY HERE MADE 2 00 JK Audio Inc 2701 N 45th Road Sandwich IL 60548 815 786 2929
7. o 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 equipment 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 10 FCC Registration continued 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
8. se together with terminal 1 Ring LED Supplies 4 3 VDC 40 mA pulse signal during incoming ring cycles Chassis Ground OH LED Supplies 4 3 VDC 40 mA steady signal during an active call Call NO Pull this pin to ground momentarily to simulate pressing the Call button Drop NO Pull this pin to ground momentarily to simulate pressing the Drop button Remote Control Jack The RJ 45 type 8 pin jack on the back of the innkeeper is for connection to a JK Audio Guest Module 1 Remote Keypad The Guest Module 1 features Ring and Call LEDs Call and Drop buttons DTMF Keypad Keypad disable switch Also when you dial using the Guest Module keypad the tones are sent directly down the phone line and do not come back blasting in your ear Contact your JK Audio dealer for additional information Specifications Inputs Mic Line Female XLR 1k ohms 10 mV RMS 35 dBm nom Mic Line pad switch Line 5 dBm nominal Outputs Caller Out Male XLR 200 ohms 500 mV RMS 12 dBm Max Mix Out Male XLR 200 ohms 500 mV RMS 12 dBm Max Headphone 1 4 Stereo 8 ohms 250 mW per channel Speaker Screw Terminals 8 ohms 1 watt Phone Line Connector RJ11C Isolation 1500 VAC Ringer 0 8B REN Frequency Response telephone side 200 Hz 3600 Hz Universal AC power input 120 240 VAC 50 60 Hz 1 75 x 7 3 x 10 5 4 5 x 18 6 x 26 7 cm Weight 5 2 Pounds FCC Part 15 Compliance This equipment has been tested and found t
9. telephone equipment that is your telephone number and 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 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 3 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 4 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 ll be given the opportunity to correct the prob
10. up the phone Please thumb through the rest of this manual You might find those deep technical questions are covered on later pages Features 1 Send Level 2 Caller Level 3 Send to mix out Front View 4 Caller to mix innkeeper 1x Digital Hybrid Send Caller Senda Mis lt Calor fr ane F x e sa La aetoes s ccs ae Power Ring OH ee uk Audio Ing art a 226 20 9 3 Mix A Ikoni Beceire AGC Ducking Presence dkHztone Auto Ano tor 5 Call Button 9 Signal LEDs 6 Ring LED 10 AGC 3 1kHz tone 7 OH LED 11 Caller Ducking generator 8 Drop Button 12 Presence 14 Auto Answer 15 Headphones 16 Headphone speaker level 20 Remote control jack 21 AC power 19 Caller output at Line Phone Celle MIXOU gond Donat 100 240 VAC JF Aus Inc Sandwich anois USA MEM ei C OrortNO Soso D BA 22 Aux Phone a Mic Line switch 25 Remote feature 23 Phone Line screw terminals Back View Features continued 1 2 3 An 0 09 AP Send Level Adjusts the signal that you are sending down the telephone line Caller Level Adjusts the level of the signal coming in from the telephone line going out the Caller jack Send gt Mix Level Adjust the level of your audio that will be sent to the Mix Out jack Caller gt Mix Level Adjusts the level of caller audio that will be sent to the Mix Out jack
11. your application Caller Audio Connect the Caller Out jack to an input on your mixing console Power Connect the supplied AC power cord to the back of the innkeeper and then to an AC power outlet Your innkeeper is now ready to take calls You may want to connect an auxiliary telephone to the innkeeper for call setup or you can simply use Auto Answer or the Call button to answer an incoming call Auxiliary Telephone Innkeeper does not disconnect the auxiliary telephone when you press the call button In fact the DSP continuously monitors the telephone line to achieve maximum separation between transmit and receive signals You can use an auxiliary telephone to place or screen a call and then you can place the call on hold When you are ready to take the call on innkeeper simply press the call button Your telephone will automatically release the hold while you talk If you need to take the call back on the aux telephone simply pick up the phone before the innkeeper drop button is pressed If you would prefer the old world way of disconnecting the aux jack when the hybrid takes the call please call us for details on a simple solution Operation continued Send Signal Level The Send LEDs display the signal level as it goes out over the phone line The goal is to drive the phone line at high enough levels to avoid phone line noise but not so loud as to cause excessive clipping Adjust the send level control until you see oc
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