RemoteMix 4
Contents
1. RemoteMix 4 is covered by a two year warranty to be free from defective workmanship and materials In the event that the RemoteMix 4 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 RemoteM IX A 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 Portable Broadcast Mixer THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTY HERE MADE User Guide 12 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 JK Audio info jkaudio com www jkaudio com Copyright 2007 JK Audio Inc All rights reserved FCC Registration continued aligolo lloilo RemoteMix 4 is a four channel field mixer combined with a four chan nel headphone amplifier It includes a telephone line hybrid and key pad as well as a universal PBX handset interface and a 2 5 mm wire less phone interface All this comes in a tough portable unit that s smaller than a lunch box These parts were designed to work together and save setup time in the field There is no need to send an engineer with patch cables All the pieces work together in one reliable unit RemoteMix 4 also connects to any Bluetooth Wireless Technology enabled device2. This hands free mode offers a mono telephone bandwidth connection RemoteMix 4 will connect to any Bluetooth enabled cell phone or other device such as a notebook or portable that allows a stereo wireless headset connection This stereo headset mode offers full audio bandwidth Radio RemoteMix 4 was designed for sports remotes You can use it as a phone line hybrid calling into your studio talk show hybrid Or use it as a front end mixer for your POTS ISDN or IP codec You can also use it with your laptop codec TV RemoteMix 4 gives you the ultimate phone connectivity with four IFB feeds You can send and receive interview audio and pull IFB out of any business phone system or even from your cell phone This is more than a field mixer this is a shoot saver Great Sound A soft limiter prevents overdriving the phone line inter faces while the mixer XLR output is pre limiter full range Bass Boost adds some low end before sending the signal down the phone line The 3 5 mm Send and Receive jacks are convenient for re cording the show or mixing in your MP3 player Power Smart Design The phantom power generator only runs if any of the rear panel 48 V switches are set to ON to avoid any unneces sary drain on batteries Low noise low power ICs are used through out to preserve battery life The low noise 100 240 VAC desktop style power supply included overrides the battery power only when the supply is actually pr
3. every 100 ms This is Pairing Mode Once in pairing mode any Bluetooth enabled device within range can pair with RemoteMix 4 After pairing is complete the connection to that device is secure Bluetooth LED pattern to initiate Bonding UL Ul Initialize Idle Mode Pairing Mode 2 sec off 200 ms off 100 ms off 2 sec on 200 ms on 100 ms on Hold Bluetooth switch up gt 5 sec to reach Pairing Mode the first time a new device is connected gt 2 sec thereafter to connect from Idle Mode 10 Connecting Bluetooth Wireless Technology Now go to your Bluetooth device and search for Bluetooth connec tions If this is the first time you have paired with this device you will first need to select the option to add an audio device Wait until the cell phone has found the new Bluetooth device Select from the list the ID of UKRM4xxx where xxx corresponds to the last 3 digits of the unit s serial number Enter Yes when asked to Bond with this device The pin is 0000 Earlier units with serial numbers up through RM401124 use a unique pin of 4xxx When bonding is com pleted the blue LED will flash at a rate of 1 second on 2 seconds off Once RemoteMix 4 has been added to your cell phone subse quent connections can be made more quickly from Idle Mode While all phones and portables are different typically if you connect in cell phone hands free mode you will have a mono duplex connec tion If you connect to
4. keypad to prevent unwanted tones from being transmitted down the phone line during a broadcast Ringer RemoteMix 4 does not have an audible ringer but there is a visual ring indicator that will flash for incoming calls This red LED is lo cated directly below the keypad Phone Line Switch When using the RJ 11 analog phone jack this switch acts as the switch hook for the telephone line The Hang Up position is the normal 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 Power This is the main power switch that turns the unit on Whenever the power is turned on the red LED above this switch will be lit The green AC LED will be lit whenever a live AC power source is con nected even if the main power switch is off Keypad The telephone keypad provides DTMF tone dialing You may use the keypad at anytime during a call but keep in mind that both transmit and receive audio are muted during a keypress Redial Press this button to instantly redial the last telephone number that was keyed in Features IFB If using the phone line or handset interface for an IFB feed the bal anced male XLR output may be used to feed an IFB earpiece or other device If using the 1 4 cue input wireless adapter jack for the telephone connection the IFB feed must be taken from one of the 1 4 headphone jacks This also ap
5. 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 18 1 6 Connection Mic inputs 1 and 2 are balanced XLR jacks with low noise amplifi ers Mic inputs 3 and 4 are balanced XLR jacks with low noise amplifi ers A mic line selector switch adds a 40 dB pad for a line level balanced input A switch on each of the 4 XLR mic inputs will provide 48 V phan tom power If inputs 3 or 4 are set to Line input the 48 V will not be present at the XLR jack even if the switch is left on The stereo 3 5 mm line level input can be used instead of or in addition to the channel 4 XLR input You can connect either a mono or stereo signal to this mini jack If you use a stereo input both channels will immediately be summed together Then the audio from the mini jack and the XLR would be added together and treated as one mono signal on channel 4 5 4 3 2 l Master Output ee ae eee Mic Inputs pam PUSI DPA n Line Oui P 4 3 L Master Line a R Reium Irput Ag 3 Any j D g f Mic Ling wenn ike udio com 2 48w 48w On Of On MicLing On On Onion 00000 Wireless Phone 4 3 2 1 mA Phone Line Ini ar nterface i Headphones canter oO oO 6 The stereo 3 5 mm line level out
6. F noise which can be can be heard as a chattering or motor boat sound The noise from these particu lar telephones will be unacceptable for most broadcast applica tions Also some wireless phones have the standard 2 5 mm headset jack while others have proprietary jacks Adapters to con vert the proprietary jack to a standard 3 conductor 2 5 mm jack are available for most wireless telephones through their dealers local electronic stores or many internet stores What kind of device can I connect to the Cue Input Setting the switch for the dual purpose 1 4 input to Cue Input will provide a standard line level input from another audio device such as a portable radio The audio signal will be sent to any of the four headphone outputs if that headphone switch is set to Return This way your announcers can listen for a cue from their radio station at the end of a station break The cellular interface cable was left behind at our last event Can I get a replacement at our local audio supply store This is a custom made cable and is not wired the same as those that may be available at your local electronics store Please con tact your JK Audio dealer or our Customer Service department and ask for a CN045 replacement cable The output from Mic 3 is very low but the other mics are fine Check the position of the Mic Line switch near Mic 3 This input as well as the Mic 4 input can be switched to accept
7. a line level sig nal from a mixer or other equipment If your microphone audio is too low that switch may have been left in the Line position 13 Why do I keep getting an error message when try to pair with my Bluetooth enabled cell phone There is a difference between Idle Mode and Pairing Mode The first time you make a connection with a new Bluetooth en abled device you must be in Pairing Mode Please read carefully through the instructions on Page 10 of this User Guide for detailed information What is the range of the Bluetooth transmitter receiver The RemoteMix 4 will transmit and receive audio signals up to 25 feet from your Bluetooth device Because transmitting signals over longer distances will require more power you should keep the RemoteMix 4 as close as possible to your Bluetooth device to conserve battery power How do send full bandwidth stereo through my Bluetooth phone RemoteMix 4 supports A2DP Sink Hands Free and Headset profiles with BlueCore 3 Multimedia technology You will be able to send full bandwidth stereo audio through any cell phone that supports A2DP How long will the batteries last in my RemoteMix 4 There are many variables that affect battery life such as phantom power the number of headphones and the use of Bluetooth All of our battery life tests included 4 headphones playing music at average listening levels These tests use standard alkaline bat
8. a music player you will be in stereo mode Consult your cell phone or portable device for more details The Bluetooth interface will first attempt to connect in hands free mode to a cell phone allowing 3 4 kHz telecom bandwidth If this is not available it will attempt to connect in wireless headset mode to any product that allows a Bluetooth wireless audio connection The wireless headset mode offers 20 kHz audio bandwidth To disconnect from the Bluetooth device simply pull up on the Bluetooth multi function switch and hold for 5 seconds If left un used in Idle mode or if a live call is disconnected the RemoteMix 4 will automatically disconnect Bluetooth in two minutes Bluetooth LED pattern after Bonding J Lt Bonded 2 seconds off 1 second on 1
9. dio can void the user s authority to operate the equipment FCC B Part 15 Compliance This device has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are de signed 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 communication Operation of this equipment in a resi dential area is likely to cause harmful interference in which case the user will be required to correct the interference at his her own expense Changes or modifications not expressly approved by JK Audio can void the user s authority to operate the equipment Shielded interface cables and AC power cord if any must be used in order to comply with the emission limits The internal antennas used for this mobile transmitter must not be co located or operated in conjunction with any other antenna or transmitter 19 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 tel
10. ephone 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 beconnected 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
11. hone Type za BPa r E A Electret ES a E B Dynamic 9 w C Carbon 3j l TIRLAR o 2 a Wireless Cellular Telephones D a RemoteMix 4 comes equipped with a cellular phone interface built in 3 to the 1 4 Cue Input This 1 4 wireless interface accepts a specially o designed 1 4 to 2 5 mm cable provided with the unit This interface works with any wireless phone that accepts standard third party headsets and earpieces Some wireless phones have the standard m Z 2 5 mm jack while others have proprietary jacks Adapters to convert ec 2 7 the proprietary jack to a standard 3 conductor 2 5 mm jack are avail 2g 2 NNN able for most wireless telephones through their dealers local elec 7 tronic stores or many internet stores a 2 2 When using the wireless interface it is important to keep your wire E less telephone 12 24 away from the RemoteMix 4 and any micro J X p phone or headphone cables This will help prevent unwanted RF EN wz io noise from entering the unit ee Fo Fo f F olas oz 3 a8 of ng 8 58S SB 53 o al 2o og S2 of D D D D _ ON Features Mic Level Controls Each of the four XLR inputs has a level control knob with a separate red Clip LED to indicate clipping on each channel If you see more than an occasional flash of the Clip LED you should decrease the level for that channel Master Level Control The Master control knob will set the overal
12. how much battery life is remaining The red Power LED functions as a battery life gauge that will gradually dim as the battery runs down This red LED will go com pletely dark about a half hour before the unit shuts down Keep in mind that the VU meter Bluetooth and clipping LEDs will remain bright until the unit stops functioning Does the AC power supply charge the batteries No You may use rechargeable batteries but you must remove and recharge the batteries outside of the RemoteMix 4 I ve lost my power supply for my RemoteMix 4 unit have a 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 sup plied by your manufacturer Power supplies are available in either AC or DC output with many combinations of voltage and available current Most consumer power supplies are not regulated This could invariably damage your equipment and also create a great deal of noise All of our DC power supplies are low noise with 5 tolerance 14 Features Bluetooth Wireless Technology This multi function switch activates the Bluetooth Wireless Technol ogy The blue LED directly above this switch indicates when it is on See pages 10 11 for more information Bass Boost With this switch turned on the Master Output audio will be sent through the Bass Boost before being routed to the telephone circuits Keypad ON OFF This switch disables the DTMF
13. ine switch to Dial Talk flip the keypad switch to On only if dialing with the Re moteMix 4 keypad and dial your call You are now ready to broadcast or record a telephone interview Master Output i Line Out 4 a Line 7 i z R Retum Input oo 2 3 E J a Mic Line if Oirn RemoteMix 4 J Audio Inc a Mic In Push n m i VDC Interface i mA Cue Input a Headphones center yt Ai i i Ala Ei aij om ai KILALA CIL alalajia jajal sji U lt i H i i w om mo 2 C Cell Phone connection using wireless phone cable provided 2 b Handset jack on PBX telephone Set A B C switch for best audio Specifications Inputs Microphones 4 Line Input Headphone Cue In Outputs Balanced Out Line Out Headphones 4 Phone Line Connector PBX Interface Wireless Phone Power Size Weight Female XLR 2k ohm 25 dBu nom Channels 3 amp 4 have 40 dB Mic Line pad switch Line 4 dBu nom 16 dBu max 50k ohms 3 5mm Stereo line input 20k ohms 10 dBu nom 1 4 TRS 20k ohms 10 dBu nom Male XLR 50 ohms 16 dBu max 20 Hz 20 kHz 1dB 3 5mm Stereo line output 100 ohms 10 dBu nom 1 4 Stereo TRS 8 ohms 1 3 watt per channel RJ 11C Isolation 1500 VAC Ringer 0 5B REN Keypad DTMF RJ 22 PBX Handset interface simulates elect
14. l level of the sum of all the mic and line inputs The LED meter for the master audio level ranges from 30 dB to 3 GB Clip gt s clip gt s clip i 2 Bass 1 I Mix Mix i 7 Boost Pad i a i 4 7 Return s Ratum af s Rebum Bluetooth OFF OFF Ring Headphones Bsec f Hang Up Dial Talk Headphone Controls Each of the four headphone outputs has a separate level control so each listener can adjust their audio level independently The switch beside each control knob will set whether that channel will hear just a Mix of the mic and line inputs from the internal mixer or the Return audio from the phone line which will also contain some of the mic mix but at a lesser level Warning Long term exposure to loud audio may cause hearing damage It is best to avoid extreme volume when using headphones especially for extended periods Cue Control The Cue control adjusts the signal going to the headphones from the 1 4 Cue Input When using the 1 4 Wireless Phone Interface the Main Feed control adjusts the level of your own voice in the head phones while the Cue control adjusts the level of the person on the other side of the call in your headphones You should keep in mind that your wireless telephone also has level control If you are having level problems that cannot be corrected with the controls on the Re moteMix 4 try adjusting the level on the wireless telephone itself 6 15 How can I tell
15. oviding power If the power goes out the batteries automatically cut in The Bluetooth word mark and logos are owned by the Bluetooth SIG Inc and any use of such marks by JK Audio Inc is under license Other trade marks and trade names are those of their respective owners 2 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 FCC A 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 interfer ence 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 her own expense Changes or modifications not expressly approved by JK Au
16. plies if you are planning to record both sides of the conversation while using the 1 4 wireless adapter jack for the telephone connection Bluetooth Wireless Technology While the mono audio path is easy to follow on the block diagram shown on Page 16 the stereo audio path is slightly different When in stereo mode the left and right audio paths from the Bluetooth device are mixed together before reaching the Receive bus This is a full bandwidth 20 Hz to 20 kHz mono path so you will hear the full audio signal but it will be mixed to mono The transmit path is a bit more creative The left channel of the Bluetooth enabled stereo receive device will receive the mic mixer output with a bandwidth of 20 Hz to 17 kHz The right channel will receive the Cue Input signal Keep in mind that cell phones do not offer transmission of stereo au dio signals This stereo headset mode is typically listen only from music player portables Why doesn t my RemoteMix 4 ring when a call comes in The audible ringer found on some of our other RemoteMix units was replaced with a visual ring indicator on the RemoteMix 4 This red LED flashes when a call comes in The Ring indicator is lo cated directly below the keypad on the front of the unit Will any cellular telephone work with RemoteMix 4 The wireless interface on the RemoteMix 4 works very well with most cellular telephones However some wireless telephones generate excessive R
17. put can be connected to your mini disk or other recording device The Master Output will be on the Left channel and the Receive mix from the phone line and or Cue input will be on the Right channel The Master Output is a balanced XLR jack that contains the sum of all four input XLRs and the 3 5 mm input This audio signal has a full 20 Hz to 20 kHz bandwidth Each of the four mono headphone jacks can be set to hear either a mix of local mic and line inputs or the return from the phone line which will include a lesser amount of your local mix 3 Connection 1 2 a Standard single analog telephone line Connect your audio equipment microphones cue input and headphones to the input and output jacks on RemoteMix 4 a Connect the jack marked Phone Line to any standard analog telephone line or b Disconnect the handset on an existing telephone and plug the coily cord from the phone into the Universal Handset Inter face jack on RemoteMix 4 or c Connect the Wireless Phone Interface jack to the headset jack on your cellular telephone using the supplied JK Audio interface cable The 1 4 Wireless Interface jack also serves as a Cue Input that feeds the headphones Connect any line level output here such as the output from your personal audio player This signal does not reach the XLR output but will be present on the right channel return of the stereo output Turn on the power switch flip the Phone L
18. ret dynamic and carbon handset microphone types 36 cable provided with 2 5mm 3 conductor headset plug 100 240 VAC 50 60 Hz 1 2 A external power supply or two 9 VDC batteries 9 5 x 8 x 3 24 1 x 20 3 x 7 6 cm 3 8 lbs 1 7 kg 17 Block Diagram bn SR BE NBD _ 3D Phone Line S 7 A fN T f Ve The RemoteMix 4 has an RuJ 11 jack that can be connected to any 3 h 5 w Ah standard single line analog telephone line This jack should not be e 1 8 rT Le t B connected directly to digital PBX or ISDN phone systems E S o S S E S Handset Interface 3u aN If you do not have access to an analog phone line or if the phone system is a digital or analog PBX ISDN or a key telephone system N you can use the built in handset interface Disconnect the telephone handset from the coily cord and plug the cord into the RemoteMix 4 Universal Handset Interface jack Now select the handset type on the 3 position switch un aAN 2 Trial and error works faster than a chart of handset types but this 25 E 2 basic description may help anes Z 8N Zc T 2 E g S Switch Position Handset Microp
19. ter ies Lithium batteries can add 3 to 4 times the battery life at 3 to 4 times the cost The following numbers are from lab tests and may not represent your usage 7 hours of broadcast through a cell phone using Bluetooth Wire less Technology at a distance of 1 meter 9 hours of broadcast through the phone line hybrid using a phan tom powered microphone 10 hours of broadcast through the phone line hybrid using dy namic microphones 12 Features Power RemoteMix 4 is powered by two 9 volt alkaline batteries located on the side of the unit The red Power LED on the front of the device will gradually dim as the battery runs down then extinguish about a half hour before the unit shuts down Since these two batteries are in separate drawers and wired in parallel you can hot swap one bat tery at a time so you never lose power lt is important to replace both at the same time with identical batteries If two fresh batteries are not available it is better to run using only one good battery Since the 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 4 when AC power is available Simply plug it into the back of RemoteMix 4 and plug the transformer into a wall outlet This is a switching power supply so you can connect to a 110 or 220 VAC power source When the power connector is inserted into the jack the ba
20. tteries are bypassed The AC adapter does not charge the batteries If you lose power during your broadcast the RemoteMix 4 automatically reverts to battery power so your broadcast will not be interrupted Make sure you use only the supplied AC power adapter with the RemoteMix 4 Using any other adapter could damage the unit WARNING It is strongly recommended that this product be connected to an adequate surge protec tion device for the power line as well as the teleohone line at all times Connecting Bluetooth Wireless Technology Establishing a Bluetooth connection varies with different cell phones On your phone find and select the option to set up a con nection Monitor the Bluetooth audio path on headphones in the Return position on the RemoteMix 4 Pull up on the Bluetooth multi function switch on the front of the RemoteMix 4 and hold for approximately 5 seconds You will hear a beep in your headphones followed by a second beep or beeps The blue LED will begin to flash rapidly as RemoteMix 4 enters Pairing Mode There is a difference between Pairing Mode and Idle Mode on a Bluetooth device The very first time you connect to a new device you must be in Pairing Mode When you hold the Bluetooth switch up the blue LED will come on steady for a moment then it will flash at a rate of 200 ms on and 200 ms off This first stage is Idle Mode If you continue to hold the switch up the LED will flash rapidly about
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