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innkeeper LTD
Digital Hybrid
User Guide
JK Audio

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Summary of Contents for JK Audio innkeeper LTD Digital Hybrid

  • Page 1 LTD Digital Hybrid User Guide JK Audio...
  • Page 2: Introduction

    Introduction Innkeeper LTD allows you to send line level signals into the phone line while maintaining excellent separation between your voice and the caller. The balanced XLR output jack contains only the caller’s voice, making this the perfect companion to mixers, consoles, and PA systems that demand talk show quality audio from a phone line.
  • Page 3: Table Of Contents

    Table of Contents Introduction ........Warnings and Safety Precautions .
  • Page 4: Warnings And Safety Precautions

    Warnings and Safety Precautions Read and keep these instructions. Heed all warnings. Follow all instructions. Clean only with a soft dry cloth. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  • Page 5: Front View

    Features—Front View Figure 1: Front View Call Button - Takes the phone line off hook - press this button to answer a call or to direct a call from your phone through the hybrid. OH LED - Lit when you are on line with a call (off-hook). LED will flicker when you have an incoming call.
  • Page 6: Rear View

    14. Remote Control Jack - 8-pin modular RJ-45 jack for connec- tion to the optional JK Audio Guest Module 1 Remote Keypad or your broadcast console switch contacts. Do not connect this jack to your computer network port.
  • Page 7: Connecting Cables

    Connection Connecting Cables Although each application will require a slightly different setup, there are some cables that everyone can agree upon: 1. 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 single-line analog telephone operation.
  • Page 8: Studio Mix-Minus Setup

    Studio Mix-Minus Setup Auxiliary telephone optional. Used to dial out to set up calls. Caller to line level Aux Send B (post-fader) on input on mixer mixer to Send on hybrid Number of mics depends on mixer Use Main Outputs, USB or Firewire connectors to send audio to...
  • Page 9 Studio Mix-Minus Setup Following the instructions in the owner’s manual for your audio mixer, connect your microphones, headphones and recording de- vice and set the levels on your mixer. On the front of the innkeeper LTD, set the Send and Caller volume controls to center.
  • Page 10: Mix-Minus Explanation

    Mix-Minus Explanations Why do I need a Mix-Minus Setup? Mix-minus is an audio signal that is designed to avoid feedback and echo in a conference or telephone interface application. When connect- ing a phone hybrid to a mixing console, the caller’s audio will be con- nected to an input channel on the mixer along with all the microphones, music, etc.
  • Page 11: Simple Mix-Minus Setup

    Connection - Alternate Setup Diagrams Simple Setup for Mixer Auxiliary telephone optional. Used to dial out to set up calls. Caller to any line Aux Send A (pre-fader) on level input on mixer mixer to Send on hybrid Number of mics depends on mixer Use Main Outputs, USB or Firewire...
  • Page 12: Pa System Setup

    PA System Setup Auxiliary telephone optional. Used to dial out to set up calls. Speakers PA System Console Inputs Outputs Figure 5: PA System Setup Alternative to Mix-Minus Setup If your mixer does not have an Aux Send bus, you can achieve the same results using Pan controls with the Left and Right outputs.
  • Page 13: Operation

    Connection - Alternate Setup Diagrams Operation Auxiliary Telephone An auxiliary telephone provides you with an easy way to dial out or set up your calls. Innkeeper LTD will disconnect the auxiliary tele- phone when you press the Call button. If you need to take the call back on the aux telephone, simply pick up the telephone handset before the innkeeper LTD’s Drop button is pressed.
  • Page 14: Remote Control Jack

    Remote Control Jack The RJ-45 jack on the back of the innkeeper LTD provides connec- tion to a JK Audio Guest Module 1* remote control device, or it can be wired to the switch contacts on your broadcast console. Do not connect this jack to the network port on your computer.
  • Page 15: Faqs

    FAQs Does the innkeeper LTD send a burst or beep down the phone line at the beginning of each call like our current hybrid? No, innkeeper LTD uses the actual transmit signal to evaluate the phone line and tune its algorithm. As you begin to speak, innkeeper LTD is hard at work canceling your voice from the Caller Output jack.
  • Page 16: Specifications

    Specifications Input Send: Balanced Female XLR, 20k ohms, 500 mV RMS (-4 dBu nom.) Output Caller: Balanced Male XLR, 200 ohms, 500 mV RMS, -4 dBu nom, +14 dBu Max. Remote Jack: RJ-45 Phone Line Jack: RJ-11C Isolation: 1500 VAC Ringer: 0.8B REN Frequency Response:...
  • Page 17: Block Diagram

    Block Diagram Operation (continued) Figure 6: Block Diagram...
  • Page 18: Fcc Compliance And Registration

    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.
  • Page 19 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.
  • Page 20: Warranty

    THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE WARRANTY HERE MADE. 06/09 JK Audio, Inc. 1311 E 6th Street, Sandwich, IL 60548 Voice: (815) 786-2929 Toll Free: 800-JK-Audio Fax: 815-786-8502 info@jkaudio.com www.jkaudio.com Copyright © 2009 JK Audio. All rights reserved.

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