Emtech Electronics EJ-10, Manual

Page 1: ...MODEL EJ 10 Multi Input Adapter Box Solve Your Sound Connection Problems The Easy Way ...

Page 2: ...dspeaker connections Troubleshooting Using the EJ 10 with Telephones Read this section for complete information and instructions for using the EJ 10 with telephones Listen to a telephone conversation over your sound system Play an audio device into the telephone line Play an audio device into the telephone line to be heard on a sound system in another location requires two EJ 10 s Allow the procee...

Page 3: ...3 Controls Functions 1 To From Telephone Line allows any telephone line input 2 To Telephone Set allows parallel telephone set connection with EJ 10 to establish call ...

Page 4: ...el 1 volt RMS input buffered inputs allow up to six different inputs at the same time 9 Cords Clip patch cords are clipped to the EJ 10 s box so they won t get lost Clip can be removed to add or subtract patch cords 11 Hum Switch connects the shield ground from inputs to output allowing a selection for lowest hum pick up 12 Volume Control controls signal volume in any of 4 signal directions a Inpu...

Page 5: ...io device is connected through the EJ 10 the EJ 10 serves as a master volume control The EJ 10 uses the power from the signal itself this means it doesn t need batteries or a power cord The cords attached to the back of the EJ 10 are some of the most useful kinds of cables for connecting your equipment to the EJ 10 These cables are clipped to the EJ 10 s box so they won t get lost If you find you ...

Page 6: ...you will not harm either the instrument or the EJ 10 by simply attempting to connect it as described below To Get Ready 1 Take audio device and EJ 10 to the most convenient microphone connector of the sound system NOTE You need not attempt to remove the EJ 10 from its case it is permanently attached to prevent loss or damage to the EJ 10 and its cables If you cannot place the audio device near a m...

Page 7: ... plug the other end of the patch cord the cords are color coded into the matching jack or jacks for paired stereo cords on the EJ 10 Choose from the seven jacks on the center top of the EJ 10 labeled AUXILIARY LINE LEVEL INPUTS and STEREO If you used half of the paired cable be sure to use the same color plug at both ends NOTE If you used either the yellow or black single connection stereo cord be...

Page 8: ...you will need a microphone extension cord long enough to reach from the EJ 10 to microphone connector If you need it plug the extension cord into the microphone connector and carefully place the cord so that the free end is within easy reach of the audio device and the EJ 10 2 Turn the volume control knob of the EJ 10 down to minimum volume MIN 3 Plug in the audio device s power cord use a properl...

Page 9: ...d not hear anything yet 10 Turn the EJ 10 s volume control up to the desired level with the audio device operating you should be able to hear it now If you have more than one audio device connected use the audio devices own volume controls to set the balance among them the EJ 10 serves as the master volume control 11 Try switching the EJ 10 s HUM switch on the upper right corner of the EJ 10 back ...

Page 10: ...10 Playing audio from a portable cassette player into your sound system Playing audio from a CD player into your sound system Playing audio from a VCR into your sound system ...

Page 11: ...11 Playing audio from miniature voice recorder into your sound system Playing audio from a reel to reel tape recorder into your sound system Playing an RF signal into your sound system ...

Page 12: ...12 Playing audio from a camcoder into your sound system Playing an electronic keyboard into your sound system Playing a guitar into your sound system ...

Page 13: ...with four thin metal petals around a central shaft must be used with outlets that have smooth collars that stick out from the connector The cord itself may have been damaged Try a different cord if one is available No sound Equipment and Sound System Problems Check that the audio device itself is working If it isn t getting power the power outlet it is plugged into may be defective or turned off C...

Page 14: ...s still no sound verify the connections between the audio device and the EJ 10 if you have not already done so The cord itself may have been damaged Try a different cord if one is available If you have tested the sound system and verified connections there is a problem with either the audio device itself or the EJ 10 They will need to be checked and possibly repaired Incomplete Stereo Sound Check ...

Page 15: ...onnect an incoming telephone signal to your sound system follow these steps 1 Plug the telephone patch cord provided with the EJ 10 into the TO TELEPHONE LINE connector on the left side of the EJ 10 2 Unplug the telephone s own cord from the wall jack Plug the other end of the telephone patch cord into the wall jack Plug the telephone s cord into the TO TELEPHONE SET connector on the EJ 10 3 Set t...

Page 16: ...dio Input jack on the left side of the EJ 10 Note use of the Telephone Audio Input jack is preferred in this application however this arrangement may not be possible with the cables provided For example if the audio device had a mini stereo output 1 8 you must have your own mini to mini stereo cable 4 Set the volume control knob on the EJ 10 to minimum level MIN 5 Place the telephone call by diali...

Page 17: ...at another auditorium over a telephone line you must have an EJ 10 at both locations Follow this procedure 1 At the primary location connect the sound system s OUTPUT connector to the EJ 10 as described above See Playing an Audio Device into the Telephone Line NOTE A stronger or speaker level signal may be connected to the EJ 10 through the LOUDSPEAKER LEVEL INPUT or the appropriate AUXILIARY LINE...

Page 18: ...18 Play an audio device into the telephone line Play an audio device into the telephone line to be heard on a sound system in another location requires two EJ 10 s ...

Page 19: ...19 Allow the proceedings at one location to be heard at another location over the telephone line requires two EJ 10 s ...

Page 20: ...w levels 18 dB to Infinity Line levels 41 dB to Infinity Speaker level 55 dB to Infinity Telephone 30 dB to Infinity Frequency Response nominal Speaker line 10 Hz to 18 kHz Telephone line 60 Hz to 3 5 kHz Supplied Interconnect Cables 1 4 inch stereo phone plug to 1 8 inch stereo mini phone plug 1 4 inch stereo phone plug both ends Paired RCA type to paired 1 8 inch mini phone plugs Telephone modul...

Page 21: ...djustable output control a hum removal switch and a telephone line seize switch All system interconnect cables must be attached to the unit and a padded zippered carrying case must be provided for protection and transporting Basic instructions and a block diagram must be imprinted on the front panel and a complete operations manual must be stored in the carrying case The size must be 3 in 7 6 cm H...

Page 22: ...nit will be returned prepaid This warranty does not extend to finish appearance malfunction due to abuse or operation under other than specified conditions nor does it extend to incidental or consequential damages Repair by anyone other than Emtech voids this warranty Any other warranty expressed or implied is expressly excluded You may also have other rights which vary from state to state EMTECH ...