Audio enhancement K-SRC14 Manual Download

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Rev.2.10

Connections

■

Connection of receiver

●

LINE IN connection

Connect the audio output of a projector, CD player or DVD/VCR or similar line level output to the LINE IN connector of this

unit. The line input of this terminal is a stereo input. Audio signals are mixed to monaural signals internally. Cables should be

selected depending on the connector type of the media device. Follow the description below to connect external devices.

●

INTERFACE CONNECTOR connection

Note:

• An RJ-45 type connector of this unit is based on our original system and electrical specifications. Never connect this terminal

connector to a LAN connector that is compatible with Ethernet and PoE (Power over Ethernet).

Be sure to make a connection when the power of this unit is set to OFF (No AC adaptor is allowed to be connected to the

amplifier).

• If making an unbalanced connection for an audio output of this unit, use a STP (Shield Twisted Pair) LAN cable to prevent

exogenous noise.

Amplifier

Summary of Contents for K-SRC14

Page 1: ...1 Rev 2 10 9858 S Audio Drive West Jordan UT 84081 Phone 1 800 383 9362 AudioEnhancement com XD Wireless Receiver K SRC14 1 9 GHz ...

Page 2: ...ed down through the MAC through the digital and analog baseband and finally to the RF chip Several special packets are initiated by the MAC These are the only ways the digital baseband portion will turn on the RF transmitter which it then turns off at the end of the packet Therefore the transmitter will be on only while one of the aforementioned packets is being transmitted In other words this dev...

Page 3: ...xposed to dripping or splashing and that no objects filled with liquids such as vases All work related to the installation of this product should be made by qualified service personnel or system installers This product has no power switch When turning off the power disconnect the LAN cable from this product CAUTION Before attempting to connect or operate this product please read the label on the b...

Page 4: ...icrophone to a receiver 9 Classroom Audio 10 Alert message and sound at E2 10 Link error between WAP and the receivers 10 Functions 11 LED lighting indication 13 DIP switch setting 15 Connections 18 Precautions for installation 22 Installation 23 Serial communication command 27 Troubleshooting 33 Specifications 34 Accessories 35 ...

Page 5: ...servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as if a power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped 14 Make sure that the wall that the shelf will be attached to is strong enoug...

Page 6: ... yellow It glows red when in E2 state 3 MIC1 MIC2 MIC1 MIC2 indicator This LED lights green when this unit is receiving signals from each microphone under normal conditions This LED lights as follows to indicate other states E2 signal output provided lights red Page mute signal received lights yellow It is red indication at the time of E2 state E1 signal output provided lights 300 ms red Feedback ...

Page 7: ...the cable to the amplifier A standard CAT5 or CAT5e cable is used to connect to the amplifier 7 MIX OUT unbalanced connector The LINE IN connector provides audio output for other media players Setting the No 4 of the DIP switch 1 to ON allows the audio outputs of the microphone MIC1 and MIC2 received by this unit to be provided after mixing with LINE IN This is an unbalanced output A stereo mini p...

Page 8: ...other microphone or LINE IN by pressing the Select button on the K STD14 4 The LED of the POWER MIC1 MIC2 indicates the operating state of this unit during operation LED POWER indicator MIC1 MIC2 indicator E2 signal output provided Lights red Lights red lights green at E2 ACK input provided E1 signal output provided Lights green Lights red for 300 ms Page mute signal input provided Lights yellow L...

Page 9: ... one second to register with the receiver Teacher Microphone BATT indicator lights green and an audible beep will sound through the speakers b Student Microphone K SHH14 Please read the operating instructions of the Student Microphone K SHH14 Press the LINK button and TALK button simultaneously for one second or more to register with the receiver Student Microphone BATT indicator lights green and ...

Page 10: ...te area Refer to Command List SAA Even when the Teacher Microphone is off an alert can be sent by pressing the E2 buttons on the microphone If the microphone is able to connect to its paired receiver it will be in a paired alert state If the microphone can not connect to its paired receiver it will be in a non pair state 2 Non paired mode Microphone isn t connected to a receiver If the Microphone ...

Page 11: ...ssign the microphones MIC1 and MIC2 to the mixing out and two signals will be mixed with the mixing out Remote volume function This is a function where the volume of this unit cannot be adjusted with the volume button of the optional microphone K STD14 This function is used when external devices are controlled with the volume button through the use of the communication control function of this uni...

Page 12: ...ide E2 buttons simultaneously on the Teacher Microphone for 2 seconds or more or press the alert button to select the close state E2 ACK function When make signal inputs are provided to E2 ACK of the control terminals during E2 operation the MIC1 or MIC2 LED indicator of this unit turn from red to green to indicate that the E2 ACK signal is received When the E2 control input has not been provided ...

Page 13: ...e audio mute area the MIC1 or MIC2 LED turns off Audio mute area Refer to Command List SAA With WAP VPS System If the REC button is pressed the LED display will change at the direction of the computer VPS View Pass Server Indication priority Operating state LED indication MIC1 POWER MIC2 1 highest E2 signal output provided 1 Red Lighting green at E2 ACK input provided Red 2 Lighting green at Power...

Page 14: ...LINK LED is normally off If there is no special mention when a function is completed or time passed the LED state is restored to its original status Status LED indication LINK It has been unable to register with the WAP or System error Red In pairing registration Blink yellow at 500 ms period for 20 seconds During Audio link with the WAP Green When linked with a third microphone Green Power ON No ...

Page 15: ... By selecting the remote volume function normal mic buttons will be reassigned When this switch is set to ON the volume control of this unit using the volume button of K STD14 will be deactivated This setting is intended to control an external device using the volume button of K STD14 through the serial communication command Mic buttons normal as labeled Mic buttons reassigned 7 Mix OUT ATN Attenu...

Page 16: ...ON OFF OFF ON 26 OFF OFF ON ON OFF ON OFF 27 OFF OFF ON ON OFF ON ON 28 OFF OFF ON ON ON OFF OFF 29 OFF OFF ON ON ON OFF ON 30 OFF OFF ON ON ON ON OFF 31 OFF OFF ON ON ON ON ON 32 OFF ON OFF OFF OFF OFF OFF 33 OFF ON OFF OFF OFF OFF ON 34 OFF ON OFF OFF OFF ON OFF 35 OFF ON OFF OFF OFF ON ON 36 OFF ON OFF OFF ON OFF OFF 37 OFF ON OFF OFF ON OFF ON 38 OFF ON OFF OFF ON ON OFF 39 OFF ON OFF OFF ON O...

Page 17: ...OFF ON ON 100 ON ON OFF OFF ON OFF OFF 101 ON ON OFF OFF ON OFF ON 102 ON ON OFF OFF ON ON OFF 103 ON ON OFF OFF ON ON ON 104 ON ON OFF ON OFF OFF OFF 105 ON ON OFF ON OFF OFF ON 106 ON ON OFF ON OFF ON OFF 107 ON ON OFF ON OFF ON ON 108 ON ON OFF ON ON OFF OFF 109 ON ON OFF ON ON OFF ON 110 ON ON OFF ON ON ON OFF 111 ON ON OFF ON ON ON ON 112 ON ON ON OFF OFF OFF OFF 113 ON ON ON OFF OFF OFF ON 1...

Page 18: ...ow the description below to connect external devices INTERFACE CONNECTOR connection Note An RJ 45 type connector of this unit is based on our original system and electrical specifications Never connect this terminal or connector to a LAN connector that is compatible with Ethernet and PoE Power over Ethernet Be sure to make a connection when the power of this unit is set to OFF No AC adaptor is all...

Page 19: ...ectors As shown in the figure below insert a slot head screwdriver into the gap and remove the Euroblock connector from this unit 2 Connect the wires to the Euroblock connector Using a slot head screwdriver loosen the Euroblock connector screws peel off the insulating material around each of the wires twist the conductors firmly insert the ends of the conductors into the Euroblock connector and ti...

Page 20: ...vice is connected between each terminal and GND These terminals operate by closing their circuits The GND terminal is connected to GND in this unit A set of dry relay contacts are recommended to activate these features Input format transistor input Electrical specifications Open voltage 5 VDC short circuit current 2 mA E1 CNT E2 CNT E2 ACK PAGE MUTE LINK BUTTON ALERT BUTTON E1 Cont E1 Com E2 Cont ...

Page 21: ...he external device and the receiving signal RxD of this unit is connected to the transmitting signal TxD of the external device The ground signal of each device should connect to one another Cables to be connected should be selected depending on the external devices to be connected The above illustrates that the external device has a D sub 9 pin connector Interface RS 232C Communication system Asy...

Page 22: ...luding spaces under the eaves 2 Locations such as pool where medical agents are used 3 Locations such as kitchens or factory workshops where there is a lot of vapor or oil and special environments such as in flammable atmospheres 4 Locations where radiation or X rays and strong electric fields or magnetism arise 5 At sea or along the coast and locations such as hot springs where corrosive gases ar...

Page 23: ...plate and it is secured with a screw and a nut Tightening torque 1 18 N m 0 2 N m 0 87 lbf ft 0 15 lbf ft Note Secure this unit firmly with specified torque with a tool such as a torque driver 3 Connect the necessary cables to the receiver Connect the cables refer to the Connections section on page 18 4 Install the receiver The receiver is hooked on the hook of the mounting bracket four places Ope...

Page 24: ...24 Rev 2 10 AE plate Screw cover Mounting bracket Ceiling Panel Screwdriver Step 1 Step 2 ...

Page 25: ...MPORTANT Procure 4 screws M4 to secure the mounting bracket accessory to a ceiling or wall according to the material of the installation area In this case wood screws and nails should not be used For mounting a receiver on a concrete wall use an anchor bolt M4 or an AY plug bolt M4 for securing Recommended tightening torque 1 6 N m 1 18 lbf ft Mount the mounting bracket accessory in consideration ...

Page 26: ...26 Rev 2 10 Screw cover Mounting bracket Screwdriver Step 1 Step 2 Step 3 ...

Page 27: ...racter command the control code CR and LF as the termination character When there is a single parameter as a starting character command colon 1st parameter the control code CR and LF as the termination character When there are two parameters as a starting character command colon 1st parameter colon 2nd param All of CR LF colon are fixed single byte and the command part is fixed 3 bytes The length ...

Page 28: ...28 Rev 2 10 ...

Page 29: ...F SMT Mute individual setting Setting 1 MIC1 output 2 MIC2 output M MIX output 0 MUTE OFF 1 MUTE ON SMT 1 0 CR LF Response Same as above Same as above SMT 1 0 CR LF QMT Mute state query Query 1 MIC1 output 2 MIC2 output M MIX output Same as above QMT M CR LF Response Same as above 0 MUTE OFF 1 MUTE ON QMT M 0 CR LF SAM Mute collective setting Setting 0 MUTE OFF 1 MUTE ON None SAM 1 CR LF Response ...

Page 30: ...tate query of Tone setting Query 2 Tone None QDS 2 CR LF Response Same as above 0 Disable 1 Enable QDS 2 1 CR LF State query of Tone Level setting Query 3 Tone Level None QDS 3 CR LF Response Same as above 0 Low 1 High QDS 3 0 CR LF State query of Microphone Line Mixing setting Query 4 Microphone Line Mixing None QDS 4 CR LF Response Same as above 0 Disable 1 Enable QDS 4 1 CR LF State query of Fe...

Page 31: ...ge Location Change notification The number of alert messages N N 1 5 Parameter 2 6 RF signal strength 0 63 is specified by the character string 2 bytes of a hexadecimal form ALL 2 12345 23456 1 34 12345 78910 0 20 CR LF SAA 2 SAA Set Audio Area Setting The threshold level of the signal strength of RCV for making a microphone mute and For Alert status is changed to non pair alert from paired alert ...

Page 32: ... 08 16dB 16 32dB 01 2dB 09 18dB 17 36dB 02 4dB 10 20dB 18 40dB 03 6dB 11 22dB 19 44dB 04 8dB 12 24dB 20 48dB 05 10dB 13 26dB 21 60dB 06 12dB 14 28dB 22 70dB 07 14dB 15 30dB Each QDS response command returns not the physical ON OFF status of the DIP switch but the current setting status 1 Parameter of ALM command 2 When want to MUTE automatically as soon as possible in the place where a teacher lef...

Page 33: ...provided the audio output from this unit is muted The 3 LEDs of this unit light yellow while the page mute function is activated Is the volume setting equipped in this unit set to the lowest level The volume of the microphones MIC1 and MIC2 and LINE IN equipped in this unit can be adjusted by K STD14 and through external communication control The volume of the mixing output fluctuates When the mic...

Page 34: ...10 kΩ or more Unbalanced stereo monaural mixing φ 3 5 mm o1 8 inches stereo mini jack Tip Left Ring Right Sleeve GND MIC1 MIC2 Microphone output 5 dBV Balanced Adaptive impedance 10 kΩ or more φ 3 5 mm o1 8 inches stereo mini jack Tip Hot Ring Cold Sleeve GND MIX OUT 0 dBV Balanced Adaptive impedance 10 kΩ or more φ 3 5 mm o1 8 inches stereo mini jack Tip Hot Ring Cold Sleeve GND AUDIO OUT MIX OUT...

Page 35: ...TD14 is used or by control through RS 232C Controlled object Microphone MIC1 MIC2 Line in Setting range 0 dB 32 dB 2 dB step 36 dB 48 dB 4 dB step 60 dB 70dB Accessories Mounting bracket 1 Tie for cable 2 Screw 1 Leaflet 2 Safety precautions open software license Unattached Operating Instructions None Total operating instructions are prepared by Audio Enhancement Warranty Card None the warranty pe...

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