INTUSONIC VLA42 Remote Volume Control Node User Manual

USER
MANUAL VLA42 INTTUPAK VLA42
Remote Volume Control Node

Welcome
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This user manual is written in English. For other languages, please use an auto-translation service of your choice.

Important safety instructions

• • Read these instructions and all markings on the product. Keep these instructions.
• Heed all warnings and instructions, both in this manual and on the product.
• Clean only with a dry cloth. Unplug the unit or its power adaptor/charger from AC supply before cleaning.
• Do not use this product near water and avoid any exposure to water.
• Before connecting this product to any AC supply (if any), make sure to check whether the AC mains voltage and frequency match the indication on the product and its packaging.
• Only connect this product or its power adaptor/charger to an AC supply (if any) with sufficient power handling, protective earth connection, ground-fault (earth-fault) protection and overload protection.
• Disconnect the product or its power adaptor/charger from the AC supply (if any) during thunderstorms or longer periods of being unused.
• Make sure any heat sink or other cooling surface, or any air convection slot, is exposed sufficiently to free air circulation and is not blocked.
• Do not operate this product in environmental temperatures exceeding 35 degrees Celsius and/or 85% relative humidity.
• Position the product in a safe and stable place for operation, out of reach of unauthorized persons.
• Make sure any cable connections to and from the product are neither subject to potentially destructive mechanical impact nor present any risk of stumbling or other accident risk to people.
• Audio equipment may generate sound pressure levels sufficient to cause permanent hearing damage to persons. Always start up at low volume settings and avoid prolonged exposure to sound pressure levels exceeding 90dB.
• Do not open this product for service purposes. There are no user- serviceable parts inside.
• Warranty will be void in any case of unauthorized service by the user or other not authorized persons.
• Take any precaution required by local law, applicable regulations or good business practice to avoid injury of people or material damage by use of this product.

Symbols used in this manual

| DANGER!  Safety hazard. Risk of injury or death.
---|---
| ATTENTION!  Read manual before installation and operation.
| WARNING!  Hazardous voltage. Risk of severe or fatal electric shock.
**| WARNING!**  Fire hazard.

Health Advice

This unit may produce and absorb electromagnetic radiation. The strength of radiation and the sensitivity for disturbing interference matches the CE and FCC requirements. A corresponding sign is printed on the backside of the unit. Any change or modification may affect the behavior of the unit concerning electromagnetic radiation, with the CE and FCC requirements eventually not to be met any more. The manufacturer takes no responsibility in this case.

Functional Advice (only for powered products)

This unit is immune to the presence of electromagnetic disturbances — both conducted and radiated – up to a certain level. Under peak conditions, the unit is classified to show a “class C” performance criteria and may encounter temporary degradation or loss of function which may need manual help to recover. In such case, switch the unit off and back on to recover.
Environmental Advice
This unit is built to conform to the ROHS-2 standard according to directive 2011/65/EU and the WEEE directive 2012/19/EU of the European Parliament and of the Council of the European Union. Under these regulations, the product shall not be discarded into regular garbage at the end of its life, but shall be returned to authorized recycling stations.

Battery Advice (only for battery-powered products)

• Some products may contain a battery. Refer to the further chapters of this manual to determine whether this product contains a battery, and whether this is removable and/or rechargeable
• Where applicable, adhere to the relative regulations in aviation transport.
• • If the battery is rechargeable, the battery might not be fully charged or partly discharged at the time of purchase. Recharge before use. Only use recommended or included chargers with appropriate voltage/current rating.
    WARNING!  Fire hazard. Batteries might heat up during charging.
    Only charge in a place with sufficient air convection.

Wireless Advice

• Some products may contain a wireless transmitter, receiver or transceiver. Refer to the further chapters of this manual to determine whether this product contains a wireless function, and in which frequency this operates.
• Make sure the frequency of operation does not require a specific license in the territory you operate the product in. If it does, obtain such license prior to any operation.
• Certain wireless technologies are designed for short distance operation. The actual distance will depend on how jammed the frequency band is at the location of use. In adverse cases, operational distances might be as low as 5m. In normal circumstances, 10m can be assumed. Test the operational distance prior to relying on the wireless functionality in a specific application.

npacking

Please check that the box contains the following items:

• pc. main unit
• pc. bracket assembly set
• pc. plug-in terminal block 4-pole P=5.08mm
• pc. connection cover
• pc. connection cover gasket (self-adhesive)
• pc. PG7 cable gland
• pc. instruction manual
  If any part is missing, please contact your dealer immediately for replacement.

Please note that rack mount bracket described in this manual (ref. JUP-2) is only available as an optional accessory.
WARNING! After unpacking, and before plugging the AC cord in the wall outlet, check whether the AC mains voltage and frequency is the same as this product is specified for (see rear panel of product). Whenever the specified voltage or your AC plug should not  match the local conditions, do NOT plug the AC cord into the wall outlet and contact your dealer immediately.

Mounting options

This product comes pre-assembled with synthetic rubber corner bumpers (C). By removing the 8 screws that hold these corner bumpers, the basic configuration (B) can be attained. By adding the relative bracket types, a panel mount version (P) or a surface mount version (S) can be generated. These brackets are included. By the purchase of the optional JUP-2 rackmount kit, a 19”/1U rackmount version (R) can be generated.

About this product

The VLA42 is an audio signal selector and volume controller with 4 stereo inputs and one stereo output. One of the inputs is specifically designed as a balanced input for long cable runs, so that the unit may process one remote input signal and 3 local input signals. The source selection and volume control can be expedited via the user interface on the unit, via the included IR remote control or via an Intulink™ compatible wall remote control panel with matching features. The Intusonic VRE11 audio remote control panel is recommended. Using the VRE11 audio remote control panel, the VLA42 can also process a5 input remotely connected to the VRE11.

The Intulink™ bus system

The VLA42 uses Intusonic’s Intulink™ control bus system, which uses standard CAT5/CAT6 shielded cables and combines RS485 control lines with power supply lines and a mono balanced audio connection according to the following pinout:

A documentation of the RS485 commands used for remotely controlling devices with the Intulink™ bus system is continuously updated and hence only available for download from www.intusonic.com.
WARNING! Do not connect any other devices but Intusonic products with Inutlink™ bus connection to the RJ45 ports of this unit. PC network connections or other manufacturer’s RJ45-based interconnection systems are or may be incompatible, and the attempt of making such connection may result in damage of this unit or other equipment. The manufacturer accepts no claims towards damages evolving from incorrect connections.
ATTENTION! Do only use shielded CAT5/CAT6 cables with shielded connectors for better suppression of interference (EMI) in long cables runs.
ATTENTION! To make sure that your installation complies with EMC requirements, you must attached snap-on ferrites to both ends or at least one end (recommended close to the VLA42) of the CAT5/CAT6 cable(s).

Configuration

The VLA42 can be configured to meet certain operational requirements by setting internal jumpers/switches:

A Zone setting. This is a 3-position DIP switch allowing for 8 different settings, which refer to the unit being set to one out of 8 control zones that the Intulink™ bus system can administrate. As a default, the switch is set to Zone 1 (position OFF-OFF-OFF). Other zones can be set as follows:

B External audio signal selector. Jumper JP1: configures the REMOTE RJ45 port either as a paging bus input (EXT audio relates to the paging bus audio signal) or a wall controller input (EXT audio relates to the input on the wall panel). Factory default is the  all
controller setting.
B RS485 Debug connector. Jumper JP3: This is only used for service purposes, and there is no jumper fit on this connector. Do NOT place any jumper on this connector.
WARNING! Any action which requires opening the product shall only be expedited by qualified service technicians. Remove the AC cord before opening the product. Be aware that the warranty may be void unless you are an appointed Intusonic installer, contractor or technical service provider. To change the jumper settings, unscrew the lid from the product and remove it. Note the lid is in this case the bottom cover.

Controls and Connections

1. AC inlet and fuse holder. Use the supplied AC cord to connect the unit to AC mains. Make sure voltage and frequency stated and set on the unit comply with your local AC supply. The fuse can be accessed by the small drawer at the AC inlet. To change the fuse, unplug the
   AC cord first, pull out the fuse drawer and replace the fuse ONLY with a fuse of SAME voltage and rating. If the fuse blows again after replacement, hand over the unit to qualified service personnel.

2. Stereo signal input 1. This is a pair of 3.5mm balanced terminal strips. The input is optimized for longer cable runs due to its higher common mode rejection ratio (CMRR). Connect any remote source here, and make sure the source provides a balanced signal. The signal fed into this input can be selected via the source selector (7).

3. Stereo signal inputs 2/3/4. These are pairs of unbalanced RCA jacks. Connect any close-by sources here. The signals fed into these inputs can be selected via the source selector (7).

4. Stereo signal output. This is a pair of 3.5mm balanced terminal strips, carrying the output signal selected via the source selector (7).

5. Remote control input. This is a RJ45 jack for the connection of other Intusonic devices featuring the Intulink™ bus system. This input can be configured to either work in paging or remote audio input applications (see chapter “configuration”).

6. Digital control input. This is a RJ45 jack for the connection of a control device compatible with the Intulink™ bus system. This could for example be a PCB with a RS485 interface matching the pinout of the Intulink™ bus.

7. Volume control. This is an infinite rotary encoder with integrated push switch. Turning the encoder clockwise will increase the volume at the output (4), turning the encoder counterclockwise will decrease the volume. The current volume setting will be indicated on the

8. volume indicator LEDs (8). Pressing the encoder will invoke a mute status, with this status being indicated by the mute LED (9). a Volume indicator LEDs. This circular arrangement of 8 LEDs indicates the current volume setting. The 8 LEDs will incrementally be lit when the volume is increased via the volume control (7). It takes more than one detent of turns with the volume control to invoke the next LED, as the number of internally available volume adjustment steps is bigger than 8.

9. Mute LED. Once the mute status was invoked by pressing the volume control encoder (7), this LED will be lit. Upon pressing the volume control encoder (7) again, the mute status will be cleared, the volume will return to the prior setting and the mute LED will be off.

10. Output Peak indicator LED. Since the volume indicator LEDs (8) do only make a relative statement about the volume setting, this LED will indicate when the actual audio output level exceeds +4dBu.

11. Source selector switches. These are tact switches accompanied by source status LEDs (12). Pressing one of these switches will change the active source to the selected source. The relative source status LED (12) will be lit.

12. Source status LEDs. Once a source has been selected by the source selector switches (11), the relative source status LED will be lit. Apart from the 4 sources available for selection at the VLA42, there is also a 5™ LED for an external source being active, which may be a remote audio input on a wall remote control panel or the audio line of a paging bus. This source can only be selected at the external devices.

13. IR sensor. This optical sensor will receive the signals from the provided IRB44 infrared remote control, as long as there is a line of unobstructed sight between the unit and the infrared remote control. If the unit is mounted in a concealed position, use the IR extension port (14) to bring the external IR sensor to a position in line of sight for the IRB44 remote control.

14. IR extension port.
    If the unit is mounted in a position where an unobstructed line of sight for proper operation of the IRB44 infrared remote control is not granted, plug in the provided IR sensor extension here and mount the external IR sensor in a position where such unobstructed line of sight is granted.

15. Power Indicator LED. Shows whether the unit is powered on or off.

16. Power switch. Switches the unit on and off. Make sure to switch the unit off when not in use. The ON position is indicated by a backlight.

17. IRB44 source selector switches. Allow the remote control of the source selector switches (11).

18. IRB44 zone selector switches. If several VLA42 (up to 4) are installed, these buttons allow to select the active receiving unit.

19. IRB44 Volume control (“-” and “+”). Allow the remote control of the volume control (7).

20. IRB44 mute control. Allows the remote control of the volume control’’s mute function (7)/(9).

Cabling

This product may use all or a selection of the below connector types, for which the pin assignment must comply with the following specification. Always make sure to use good connectors and cables to ensure proper operation. Balanced connections are to be preferred over unbalanced connections where applicable and feasible. Avoid unbalanced connections exceeding 2m of cable length.

Technical Data

Input 1, input Impedance————————————————-300k0
Inputs 1, max. input level———————————————— 15.5dBu
Inputs 1, LR crosstalk—————————————————76dBu
Input 2/3/4, input impedance——————————————— 49⌀
Input 2/3/4, max. input level——————————————15.5dBu
Input 2/3/4, LR crosstalk———————————————–73dBu
Main Out, residual noise————————————————82.5dBu
Main Out, THD——————————————————— 0.055%
Main Out, FQ response———————————————-20H-20kHz (+-0.5dB)
ACIN—————————————————————–.115/230V—, 50/60Hz, 12W
Dimensions WxDxH (bare)————————————————–140x115x42
Dimensions WxDxH (bumper)——————————————mm 166x146x53
Weight————————————————————— mm 0.75 kg

Warranty

This product is guaranteed to be free of defects in material and workmanship at the time of purchase. Send-in warranty repair is granted for a period determined by

• A period of at least 6 months (from the date of purchase), or the minimum period required by law in the territory of sale, whichever is longer.
• A period of no longer (from the date of purchase) than the specified average lifetime of a component by the component’s manufacturer.

EC Declaration of Conformity

The manufacture r
Adelto Industries, Unit 4 Britannia Business Park, Comet Way,
Southend-on-Sea, Essex, SS2 6GE, United Kingdom
Declares at his sole responsibility that the equipment
INTUSONIC VLA42
is in conformity with the following directives/standards/regulations:
EMC Directive 2014/30/EU
EN55035:2017
LVD Directive 2014/35/EU
EN62368-1
ROHS2 Directive 2011/65/EU & 2015/863/EU
EN63000:2018
And is marked as follows: ****
Southend-on-Sea, 19″ March 2021

WWW.INTUSONIC.COM
INTUSONIC is a brand of Universal Technical Industries Co. Ltd.
Concept, Design & Distribution by
Adelto Industries Limited
Unit 4 Britannia Business Park
Comet Way, Southend-on-Sea
Essex SS2 6GE, United Kingdom
www.adelto.com / sales@adelto.com

References

• INTUSONIC – commercial audio systems – the smart choice

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