Univox IR 1411 Bedienungsanleitung

User Guide

Univox® IR 1411

Infrared Transmitter

Part no. 650300

Introduction

Thank you for choosing a Univox® product. We hope you will be satisﬁed!

Univox® IR 1411 is a compact, yet powerful IR transmitter for small to medium size venues.

The sleek low-proﬁle design is ideal for installation in boardrooms, houses of worship,

cinema/theatres, courtrooms, nursing homes, auditoriums and class rooms etc.

Univox®IR 1411 works in conjunction with Univox® IRR-1 receivers. The powerful infrared

transmitter features all-in-one modulator and 72-diodes emitter for high performance and

large coverage – up to 600m2with a single unit.

Univox®IR 1411 provides wireless assistive listening with supreme audio quality. With

single mono- or dual channel stereo operation on 2,3 and 2,8 MHz carrier frequencies,

the unit is ideal for applications where information security and overspill control are of

importance.

Please read this user guide carefully before installation and use of this product.

Included in the package

• Univox® IR 1411 transmitter

• Power supply unit

• Wall/ceiling mounting kit

• Twin 3.5mm mono to stereo cable

• Phoenix screw terminal

Contents

Introduction............................................................................................................................................... 2

Features and settings.............................................................................................................................. 3

Placement.................................................................................................................................................. 5

Operating Instructions............................................................................................................................. 5

Troubleshooting........................................................................................................................................ 6

Maintenance.............................................................................................................................................. 7

Warranty..................................................................................................................................................... 7

Safety.......................................................................................................................................................... 7

Environment.............................................................................................................................................. 7

Technical data .......................................................................................................................................... 8

Features and settings

13 12 11 10

8765432

Details

1. XLR – Balanced Mic or Line* input

*Optional adapter is available at request for balanced line, 0dBu level sensitivity.

2. Power Save-mode switch

”ON” – unit is transmitting with or without input signal. LED indicates red.

“Auto” – Power save mode activated – transmitting only if input signal is present. LED

indicates amber.

3. Mic/Line switch

Select between XLR (1) or 3.5 mm/RCA (4, 5) inputs:

Mic – balanced XLR Mic or Line* (1) level input with 12 V Phantom voltage (12).

Line – unbalanced RCA or 3.5 mm line level inputs, mono or stereo.

1. XLR – Balanced Mic or Line input

2. Power Save-mode switch

3. Mic/Line switch

4. 3.5 mm – Line 1 &2 – Unbalanced line input

5. RCA – Line 1 &2 – Unbalanced line input

6. Indicator Lights switch – ”ON/OFF”

7. Header DC input/output

8. DC power supply input – 24VDC

9. RF Out – BNC jack

10. Channel/Frequency Selection toggle switch

11. Automatic Level Control (ALC) switch – ”OFF/Auto”

12. Phantom Power (12V) switch – ”ON/OFF”

13. Volume controls

4-5. 3,5 mm/RCA – LINE/Input 1 & 2 – Unbalanced line inputs

LINE 1/Input 1 – Controlled by Vol 1 volume control

LINE 2/Input 2 – Controlled by Vol 2 volume control

Note: With Auto Level activated the Volume level controls are disabled.

6. Indicator Lights switch – ”ON/OFF”

7. Header DC input/output

24 VDC – Connection of external 24VDC supply voltage. Note: AC adapter is not

connected.

12 VDC – Power supply to external emitter panel

8. DC power supply input

Note: Univox supplied power adapter only.

9. RF Out – BNC jack

Modulated HF signal output to expansion units or additional emitter panels.

10. Channel/Frequency Selection toggle switch

Select the transmission frequency by pressing the button repeatedly.

2.3 MHz – Le LED indicates amber

2.8 MHz – Right LED indicates green

Stereo transmission, 2.3 MHz Le and 2.8 MHz right – both LEDs, amber and green

indicates

11. Automatic Level Control (ALC) switch – ”OFF/Auto”

“OFF” – ALC disabled - LED oﬀ. Use level volume controls (13) to adjust the input

level. “Auto” – ALC enabled - LED indicates green. The unit is equipped with automatic

adjustment of the audio level – recommended setting.

12. Phantom Power (12V) switch – ”ON/OFF”

Green LED = ON

13. Volume controls

Input level adjustment if Automatic level control (11) is disabled.

Volume 1 – XLR or Line/Input No.1

Volume 2 – Line/Input No.2

Indicator LED’s for each input:

Green – nominal audio signal strength

Amber – approaching audio signal clipping. Indicators light up when the

input signal level is 6dB below clipping.

Red – audio signal clipping input, approaching distortion. Adjust the

input level so LED ﬂickers red occasionally, indicating audio peaks.

Placement

The unit is supplied with a universal mounting kit allowing for easy and quick installation.

Select an appropriate mounting location, considering the shape and size of the room,

to ensure optimal coverage. Recommended placement for best performance is above

2 m height, slightly angled (10-30 degrees) toward listening audience. Make sure the

transmitter has direct line-of-sight to the audience.

Operating Instructions

1. Connect the primary audio source to a suitable input:

- Balanced: XLR Input (1).

- Unbalanced: 3.5mm - Line 1 and 2 (4) or RCA – Input 1 and 2 (5)

Set Mic/Line switch (3) accordingly.

2. Connect the supplied power adapter to the DC supply input (8) and set Power switch to

“ON”. The red LED indicates power connection.

3. Set Audio Level Control (ALC) switch (11) to “Auto” – green LED is lit. Input level will be

adjusted automatically - recommended setting.

Note: Setting the switch in “OFF” position will disable ALC – green LED is oﬀ. Audio level

for each input must be adjusted manually by Volume controls Vol 1 and 2 (13). Adjust

the input level so both LEDs ﬂicker red occasionally, indicating audio peaks.

4. Set the carrier frequency by pressing the Channel Selection Switch (10) repeatedly.

Recommended setting for assistive listening mode is Stereo (2.3 and 2.8 MHz

transmission) – both amber and green LED indicates.

Note: Make sure both transmitter and receiver are set to the same channel frequency.

Troubleshooting

Transmitter has no power

• Verify that the power supply is connected properly, (red/amber LED on the transmitter

should be lit, depending on the mode selected).

• Check the power adapter function, (green LED=ON). Replace if faulty.

No audio or poor audio quality (distortion)

• Check the input signal connection.

• Verify that the Mic/Line switch setting is in accordance with signal level and input

connected.

• Check the Audio Level Control (ALC) switch setting, (green LED=ON). If disabled, (ALC

switch=OFF), the input level should be adjusted by Vol1 and Vol2 level controls.

• Check and adjust the audio level, if necessery. The Volume Control LEDs are indicating

red occasionally if the unit is transmitting correctly.

• Make sure the transmitter and receiver are operating at the same channel/frequency,

(for best performance Stereo setting is highly recommended). Verify that both amber

and green LED at the transmitter are lit, and receivers channel switch is set in S-mode

(Stereo).

• Make sure the receivers are in the line-of-sight and range of the transmitter and the

IR-light is not blocked in any way.

Audio Level indicators are not lit

• Make sure the Indicator Light switch is in “ON” position

• Verify that the audio input is connected properly.

• Check that the Mic/Line switch setting in accordance with signal level and input

connected.

The Installation Guide is based on the information available at the time of printing and are

subject to change without notice.

Maintenance

Under normal circumstances the product does not need any special maintenance.

Should the unit become dirty, wipe it with a clean damp cloth. Do not use solvent or strong

detergents.

Warranty

Product is covered by 2 years warranty.

The equipment should be installed following the instructions contained within this

document. The product warranty doesn't cover failure caused by tampering, carelessness,

improper handling or maintenance.

Use only the power adapter supplied with the unit.

Service

In case of failure, if the product should not work properly aer the troubleshooting has

been performed, please contact your local distributor for further instructions.

Refer all servicing to qualiﬁed service personnel only. If the product is sent to Bo Edin AB,

please enclose a ﬁlled Service Form, www.univox.eu/support.

Safety

The installer is responsible for installing the product in a way that may not cause

risk of ﬁre, electrical malfunctions or danger for the user. Do not cover the unit or

the power adapter. Only operate the unit in a well ventilated, dry environment.

Do not remove any covers as there is a risk of electric shock. Please observe that the

product warranty doesn’t include faults caused by tampering the product, carelessness,

incorrect connection/mounting or maintenance.

Bo Edin AB shall not be held responsible or liable for interference to radio or TV equipment,

and/or to any direct, incidental or consequential damages or losses to any person or

entity, if the equipment has been installed by unqualiﬁed personnel and/or if installation

instructions stated in the product Installation Guide have not been strictly followed.

Environment

To prevent possible harm to the environment and human health, please dispose of

the product responsibly by following statutory disposal regulations.

Hearing excellence since 1965

(Univox) Bo Edin AB

Stockby Hantverksby 3,

SE-181 75 Lidingö, Sweden

+46 (0)8 767 18 18

[email protected]

www.univox.eu

Technical data

Univox® IR 1411 Transmitter part no 650300

Modulation FM, + 35kHz nominal + 50kHz peak

IR Light Wavelength 870nm

Carrier Frequency 2.3MHz, 2.8MHz

or Stereo: 2.3MHz (Le) and 2.8MHz (Right)

Pre-emphasis 50µS

Audio Frequency response 50Hz - 18kHz (±1 dB)

Total Harmonic Distortion < 1%

Signal-to-noise Ratio 75dB

Input 1 (MIC 1) Balanced XLR

Impedance: >50Ω / >2kΩ

Phantom Power: Approx. 12VDC

Maximum input level: 20dBm (7.75V)

Input 2 (Line 1/Line 2) Unbalanced Line, Stereo Input. Two 3.5mm connectors

Input 3 (RCA IN) Unbalanced Line, Stereo Input. Two (RCA) Phono connectors

Input: -10dBu Nominal +14dB headroom

Impedance: 10kΩ

Indicators Green LED: nominal range of audio level

Red LED: audio peak indicator, approaching audio distortion

Output connection BNC x 1

RF Output Voltage Approx. 750 mVrms (2Vpp)

Output Impedance Approx. 50kΩ

IR LEDs 72 diodes

Radiating Power Approx. 2W

Coverage Up to approx. 600m2(64582)

Supply Voltage 19VDC min - 28VDC max

Power Supply Input 100-240VAC 50/60Hz

Power Supply Output 24VDC @ 2A

Power Connection 2.5mm DC jack (or 4-Pin Phoenix connector)

Weight 450g (1lb); Power Supply: 360g (0.8lb)

Dimensions (W) 210 x (D) 70 x (H) 80mm (8.3” x 2.8” x 3.1”)

Color Black

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