JK Audio InlinePatch Bedienungsanleitung
TELEPHONE AUDIO INTERFACE
JK Audio
Inline Patch™
User Guide
ii
Thank You
Thank you for purchasing a JK Audio Inline Patch Analog Telephone Audio
Interface. Please read this guide for instructions on setting up and using your
new product.
Getting Assistance
If you have technical or application questions:
In the US & Canada, call us toll free at: 800-552-8346
All other countries dial: 815-786-2929 (M-F 8:30-5:00pm Central Time Zone)
Or, check out our FAQ section for answers to common questions.
Limited Warranty
The Inline Patch is covered by a 1year warranty to be free from defective
workmanship and materials. To obtain service, contact JK Audio by phone or
email for return authorization. Once authorized, you will carefully pack and ship
the faulty product and all accessories to us. You will pay for shipping to us and
we will pay for return back to you.
This warranty does not cover damages due to accident, weather, re, ood,
earthquake, misuse, unauthorized repairs or modications, or damages occurred
in shipping, only defective workmanship or materials.
THERE ARE NO EXPRESSED OR IMPLIED WARRANTIES WHICH EXTEND BEYOND THE
WARRANTY HERE MADE.
Inline Patch™ Telephone Audio Interface
Welcome
Contents
Overview 1
Getting to know your Inline Patch™
2 Controls & Indicators
3 Inputs & Outputs
2
Getting Connected 4
Operation 6
FAQs 7
Technical Information 8
Contents iii
Contents
iv
Works with Analog Telephones
including Cordless Telephones
XLR Input and Output Jacks
3.5mm Stereo Output
Left Channel= Line
Right Channel = Phone
3.5mm Mono Output
3.5mm Mono Line Input
3.5mm Jack for Remote
On-Hook / Off-Hook
Front panel Separation control
20 dB Nominal Separation of Phone Line
Transmit / Receive Audio
Features
Features
Overview 1
Introducing the Inline Patch™
This unique hybrid works with your telephone to give you more control over
interview recording and playback.
The Inline Patch connects between the base of an analog or cordless telephone
and the wall jack. You can continue to talk on the phone and get access to audio
on both sides of the call. The unit’s two back-to-back hybrids give you complete
control of audio from both sides of the call. Audio input jacks let you mix sound
bytes or music into your conversation. One stereo output jack provides your voice
on one channel and the phone line audio on the other channel. A second output
jack contains a mix of both voices. Front panel control for each output offers all
the control you will need. The Inline Patch does not disrupt your Caller ID or ring
signals.
For telecom demo or teleconference presentations, you can use a cordless
telephone. Walk around the room and talk over the phone while everyone listens
in. Let the audience try your IVR application. The <Off Hook/Normal> switch lets
you seize a phone line without using a telephone. This switch can be remote-
controlled with a simple contact closure.
The Inline Patch is also perfect for television or cable talk show use, when you
may need access to audio from a working telephone on camera.
Ready to go?
The Inline Patch controls and connectors are clearly marked and ready for
operation. The Features diagrams and Operation sections on the following pages
will help you pinpoint any minor questions that you may have. If this is your rst
exposure to a hybrid, we suggest that you read the entire manual to allow you to
take advantage of all these features.
Any Questions?
Before you pick up the phone... Please thumb through the rest of this manual.
You might nd those deep technical questions are covered on later pages.
Overview
2
Getting to Know Your Inline Patch
3 4 5 6 7 81 2
1. Phone Jack
Connect a single line analog telephone.
2. LED
Lit when unit is plugged in and receiving power.
3. From Phone Control
Adjusts the level of your voice on both output mini jacks.
4. Separation Control
Fine tunes voice separation. (See page 6for tuning.)
5. From Line Control
Adjusts the level of the audio coming from the phone line on all three
output jacks.
6. Send Level
Adjusts the signal level that you are sending down the telephone line.
7. Off-Hook / Norm Switch
This switch allows you to seize the phone line without using a telephone.
(See page 6for operation.)
8. Line Jack
Connect to a standard, single line, analog telephone line.
Controls & Indicators
Getting to Know Your Inline Patch™ 3
Getting to Know Your Inline Patch
1. Remote Control Jack
Connect tip to ring to go off-hook
2. Send Input (XLR)
Balanced Female XLR line input for signals going into the phone line.
3. Send Input (3.5mm)
3.5mm mono line level input for signals going into the phone line.
4. Phone Line Output (XLR)
Balanced Male XLR line output which contains only the audio coming from
the phone line with a nominal 20 dB of trans-hybrid loss (your voice will be
mixed with the caller’s audio, but about 20 dB lower than your send level).
5. Stereo Output (3.5mm)
Phone line audio on the left channel and your voice on the right channel.
6. Mixed Mono Output (3.5mm)
Has both sides of the call combined on both left and right channels. You
may use either a mono or stereo plug in this jack
7. Power Jack
For connection only to the supplied power supply.
Inputs & Outputs
3 4 5 6 71 2
4
Getting Connected
Setting Up for Analog Telephones
1. Unplug the telephone cord from the base of your telephone and plug it into
the jack on the Inline Patch marked <Phone Line>.
2. Using the telephone cable we have provided, plug one end into your Inline
Patch marked <Phone> and the other end of the cable into your telephone.
3. Connect your audio equipment to the 3.5mm and / or XLR line input and
output jacks on the Inline Patch.
4. Connect the power supply to the back of the Inline Patch.
Note: If you want to use a microphone to add extra audio to the call, you will rst need to
add an amplier to your microphone so that the signal is boosted to line level. You can use
both the XLR and the mini jack input at the same time, and add it to the audio coming from
the handset microphone. The level of the audio you send through the input jacks into the
phone line can be adjusted with the Send control. Note that this audio will come back mixed
with the caller audio, so be sure not to overpower the caller’s voice with your own audio.
POWER
Getting Connected 5
Getting Connected
Setting Up for PBX Phone Systems
Setup for use with PBX phone systems is the same as for analog telephones with
one exception. Some PBX telephones have a simulated analog line extension
jack called a data / modem port. Instead of connecting the <Phone Line> jack
of the Inline Patch to a wall jack, you will connect to the data / modem jack on
your PBX phone. You will still need a regular analog telephone connected to
the <Phone> jack of the Inline Patch. When dialing out you will need to take
the necessary steps to get a direct connection to the main analog phone line
(example: dialing 9 + 1 + phone number). You will not physically use your PBX
phone while operating the Inline Patch. It simply acts as your connection to the
telephone line. Dialing, speaking, etc. will be done through the separate analog
telephone.
12 3
4 5 6
7 8
0* #
9
Note: Connecting the Inline Patch directly to a multi-line, PBX or ISDN phone system wall
jack could irreversibly damage the unit.
6
Off-Hook/Norm switch
Set the <Off-Hook/Norm> switch to <Norm> to dial out using a telephone. Set
the switch to <Off-Hook> to seize the line and answer an incoming call without
using a telephone.
The <Off-Hook/Norm> switch can be remotely operated using your own switch
contacts connected to the <N.O. Contacts> jack on the back of the unit. Simply
wire a 3.5 mm plug to a normally open switch. A short across tip and ring on a
stereo or mono plug will take the phone line off-hook.
Fine Tuning the Separation
1. First connect your audio equipment (powered speakers, mixer with a VU
meter, etc.) to the <Mixed Mono> output jack on the back of the
Inline Patch.
2. Next turn the <From Phone> control all the way down and the <From Line>
control all the way up.
3. Now place a phone call. Without any audio coming from the other end of
the call, hold down a touch tone on your telephone while adjusting the
<Separation> control to nd the most quiet position.
4. Now turn the <From Line> control to about 12:00 and use the <From
Phone> control to bring your voice up to a suitable level.
The hybrid circuitry in the Inline Patch can provide a nominal 20 dB of
transmit / receive isolation. When using the stereo jack with stereo speakers, the
20 dB isolation will give you substantial left / right separation. The separation on
FM stereo is typically around 20 dB.
Operation
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