RemoteMix C+ 0307
Contents
1. it is guaranteed to confuse them The Fax Modem or Data Interface is a little box that plugs into the bottom of the cell phone and converts it into an RJ 11 jack You can then plug any telephone like device into this RJ 11 jack such as a fax machine modem or get this a JK Audio RemoteMix C Data interfaces run anywhere from 60 to 300 depending on the manufacturer and type of telephone Our customers tell us the older analog bag type phones are the best they have the strongest signal longest battery duration and typically sound better Ringer RemoteMix C has an audible internal ringer for incoming calls This can be turned off using the switch on the side of the unit Phone Line Connect this RJ 11 jack to the wall jack of a standard single line analog telephone line Keypad RemoteMix C The telephone keypad is JK Audie for tone or pulse dialing You may use the keypad at any time during a call DEB but keep in mind that both cH aK m0 transmit and receive 4 HEE audio are muted during a keypress oul uoyd oL gt XIW2 0WsYy ERE Phone Line Switch This switch acts as the switch hook for the telephone line The Hang st Up position is the normal oul uoyd woy Hang Up on hook position when you are not using the line or you are waiting for a call When you want to place a call or when a Call comes in switch to the Dial Talk position Tone Pulse Dialing Remot2. residential phone handset 4 nr Can I use the RemoteMix C with a digital PBX phone system if there is no analog line available No If you need compatibility with digital PBX or ISDN phone systems you should step up to a RemoteMix 3 or RemoteMix Sport These units will work virtually anywhere Will RemoteMix C provide phantom power for my con denser microphone No this device will not provide phantom power If you are connecting your microphone directly to a JK Audio Remote Mix C you should use a dynamic mic I ve lost the power supply for my RemoteMix C unit have another power supply that fits from a different product Can I use this instead NO Never use a power supply other than the one that was supplied by your manufacturer Power supplies are available in either AC or DC output with many combinations of voltage and available current DC supplies carry either positive or negative center pin output and may or may not be regulated If you connect a negative center pin power sup ply to a positive center pin jack it s just like hooking up the battery cables to your car backwards Obviously you would not want to do this to your car or your expensive audio equipment Regulation is the tolerance to the specified volt age of your DC power supply All of our DC power supplies have a low noise 5 tolerance This means that our 9V DC power supplies will always output 9 volts 5 whether you are using no po
3. CC 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 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 10 Connection oh BES SH Fe EE HE y Microphones 2 XLR jacks Headphones or small speaker 2 jacks 1 4 stereo or mono to BJ 14 ae Tape recorder or audio j Bee re equipment input or Analog wall jack T Oiii output RCA or XLR 1 Connect your audio equipment microphones and headphones to the input and output jacks on the RemoteMix C 2 Connect the jack marked Phone Line to any standard analog telephone line or to the Fax Modem adapter on a cellular telephone 3 Turn on the power switch flip the Phone Line switch to Dial Talk and dial your call You are now ready to broadcast or recor
4. RemoteMix C is covered by a 2 year warranty to be free from defective workmanship and materials In the event that the RemoteMix C 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 03 07 JK Audio Inc 1311 E 6th Street Sandwich IL 60548 USA Voice 815 786 2929 Toll Free 800 JK Audio Fax 815 786 8502 info jkaudio com www jkaudio com Copyright 2007 JK Audio Inc All Rights Reserved RemoteMix C Portable Mixer for Remote Telephone Broadcasts JK Audio 6 OEF 3 MNO QF ont zA E gt a Gl et m om gt d 2 E amp l xt e RemoteMix C JK Audio To phone line From phone line Mic Mic Line Line Head Battery t 2 In Out phones Test User Guide JK Audio Haligeye t ors eye RemoteMix C is a professional audio mixer and headphone amplifier designed to interface with any standard analog telephone line This telephone hybrid operates on batteries or AC power Simply plug your audio equipment into RemoteMix C and connect to a phone line You can now put on headphones plug in
5. This is a 10 turn potentiometer to allow for very sensitive adjustments Try to remember the position of the blade and the number of turns you are making as you first adjust clockwise and then back to the original position and then counterclockwise The goal is to adjust the null signal until the receive signal contains a minimum amount of transmit audio If on the other hand you want a good mix of transmit and receive signals you must have someone on the far end speak or send audio down the line as you adjust for the proper balance 5 Factory Setting To reset to the factory setting set the phone line switch to On Hook and adjust to find the null We have installed a terminating resistor in the On Hook position that simulates the average phone line connection and gives the right mix of transmit and receive audio The best tools for this task are 1 an oscilloscope connected to the From Phone Line output and 2 a 1 kHz sine wave generator connected to the Jo Phone Line input jack However the above procedure will work with a little patience J
6. a microphone and you are ready to broadcast the game or talk up a taped interview The RCA type jacks on RemoteMix C are equivalent to the jacks found on most home tape recorders CD players and receiver amplifiers There are two balanced XLR microphone inputs and the first one can be switched for mic or line level input The balanced line level XLR output jack provides a high quality connection to mixers and professional tape gear The adjustable hybrid circuit provides control over the mix of transmit and receive audio at the output jacks Cellular Telephones Use our Daptor One to connect the standard 3 conductor 2 5 mm micro jack on your digital wireless telephone to the RJ 11 phone jack on the RemoteMix C Then you will con tinue to use your wireless phone to dial or answer the call but you will use the microphone and headphones plugged into your RemoteMix C during the call RemoteMix C was also designed to work well with a data interface fax modem adapter connected to your older ana log cellular telephone or bag phone These are available through your cellular dealer These adapters turn your cellular telephone into an RJ 11 equivalent jack which replaces the wall jack in this picture 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
7. d a telephone interview Send Side To Phone Line There are separate volume controls for the two XLR microphone inputs and the RCA line input To Phone Line jack You can use all three inputs at the same time Mic 1 also has a Mic Line meee level selector switch a Sy LA which lowers the gain al 2 on the Mic 1 XLR FS Mic 1 ne F cpi line Pine oco 1 mizine jack by 30 dB to O ia JK Audio f allow a balanced line level input Receive Side From Phone Line The receive side has separate controls for headphone output level and line output level The Line Out control adjusts the signal going out the RCA and XLR jacks marked From Phone Line This is a mix of both sides of the telephone call Headphones The built in headphone amplifier is strong enough to power two pair of headphones or a small desktop speaker The left and right channels contain the same mono signal but are powered by separate amplifier channels These jacks will drive either two 1 4 stereo plugs or two 1 4 mono plugs Handset Jack The handset jack on the side of RemoteMix C allows you to plug in a telephone handset AE and quickly set up a call before Ute sue you connect your microphones and headphones The handset microphone volume is adjusted using the Line In knob The earpiece volume is adjusted using the Headphone level knob All telephone handsets are different so if yours is not compatible try an AT amp T Sony or Radio Shack
8. eMix C is equipped with a switch to select tone DTMF dialing or pulse dialing The switch is located underneath the battery door With the switch towards the volume control knobs the unit is in the pulse mode When in pulse mode the key will set the unit to transmit digits as tones regardless of the switch position To return to pulse dialing turn the power off and back on 5 Power RemoteMix C is powered by two 9 volt alkaline batteries located under the cover on the bottom of the unit Under normal use you should get at least 30 hours of continuous use from a fresh set of alkaline batteries To test the batteries simply press the Battery Test button on the front of the unit If the LED lights the batteries are still good The unit may still function if the LED does not light but there may be significant audio distortion and a loss of level as the batteries continue to discharge It is important to replace both batteries at the same time with identical batteries If two fresh batteries are not available it is better to use only one good battery Since the two battery fixtures are wired in parallel it does not matter which one gets the single battery We also provide a high quality regulated AC to DC adapter to power RemoteMix C when AC power is available Simply plug it into the back of RemoteMix C and plug the transformer into a 110 VAC wall outlet When the power connector is inserted into the jack the batter
9. ies are bypassed The AC adapter does not charge the batteries Null Adjust optional The RemoteMix C can be adjusted to control the amount of transmit audio that appears on the receive audio jacks The recessed fine tuning control is adjusted by inserting a screwdriver into the back of the unit just below the words Null Adj and turning left or right This is a ten turn potentiometer The null circuit matches the characteristics of RemoteMix C with the characteristics of the telephone line Although much of the transmit audio can be removed this is not the equivalent of a mix minus output The amount of transmit receive isolation will depend on the quality of the telephone line This circuit is factory set to give an equal mix on an average telephone line and is therefore perfect for recording both sides of a telephone interview 6 Null Adjust optional To find the absolute null for any telephone line follow this procedure 1 Place a call to a quiet location 2 Send a signal down the line at moderate levels This can be prerecorded music or speech or a test signal 3 Connect the From Phone line output to a meter or scope or listen to the receive signal over the headphones Be sure to turn up the Line Out or Headphones volume control depending on which method you are using to monitor the receive signal 4 On the back of RemoteMix C below the words Null Adj there is a hole for a small flat blade screwdriver
10. 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 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 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 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 a
11. uthorized 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 ll 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 1 Specifications Inputs Unbalanced Connector RCA phono jack Input Impedance 50 k ohms Level 250 mV RMS Microphone Connector 2 Female XLRs Input Impedance 1000 ohms Mic Line Line switch on Mic 1 30 dB Handset Modular 4pin 4wire handset jack Electret dynamic microphone bias Outputs Unbalanced Connector RCA phono jack Output Impedance 50 ohms Level 250 mV RMS Balanced Connector Male XLR Output Impedance 200 ohms Level 500 mV RMS Headphone Connector 1 4 stereo jacks Output Impedance 8 ohms Power 1 watt per channel Phone Line Connector RJ 11C Isolation 1500 volts Ringer REN 1 2B Keypad DTMF Dual Tone Multi Frequency or Pulse Dialing F
12. wer at all or applying a full load Most consumer power supplies are not regulated A non regulated 9V 800 mA power supply could actually output 16V until an 800 mA load is applied This could invariably damage your equipment and also create a great deal of noise There is also no standard for the size of your power jack This means that a 16V AC power supply and a 1 5V DC power supply could both have the same 2 1 mm jack The output from Mic 1 is very low but the other mic is fine Check the position of the Mic Line switch near Mic 1 This first input can be switched to accept a line level signal from a mixer or other equipment Can wire a stereo mini output into the XLR input of a RemoteMix C Yes You need to wire the tip to pin 2 the sleeve to pin 1 and leave the ring and pin 3 floating You should use the mic 1 input since it is mic line switchable and use mic 2 for an additional microphone know that Daptor One allows Remote Mixers to con nect to digital cell phones with a 2 5 mm headset jack but what about older cellular phones RemoteMix C is a standard telephone line interface Electri cally it is similar to a telephone with a lot of audio jacks A cellular telephone can be used like a portable wall jack if you purchase the proper adapter Contact your cellular phone dealer and ask about a Fax Modem adapter or Data Inter face for your current cell phone Do not mention remote au dio broadcasting as
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