English dropdown-ico

Art Pro VLA II manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Art Pro VLA II, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Art Pro VLA II one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Art Pro VLA II. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Art Pro VLA II should contain:
- informations concerning technical data of Art Pro VLA II
- name of the manufacturer and a year of construction of the Art Pro VLA II item
- rules of operation, control and maintenance of the Art Pro VLA II item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Art Pro VLA II alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Art Pro VLA II, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Art service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Art Pro VLA II.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Art Pro VLA II item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Pro VLA II™ PROFESSIONAL TWO CHANNEL VACTROL ® /TUBE LEVELING AMPLIFIER USER’S GUIDE[...]

  • Page 2

    IMPORTANT SAFETY INSTRUCTIONS – READ FIRST This symbol, wherever it appears, This symbol, wherever it appears, alerts alerts you to the presence of uninsulated you to important operating and maintenance dangerous voltage inside the enclosure. Voltage in structions in the accompanying literature. that may be sufficient to constitute a risk of shoc[...]

  • Page 3

    Pro VLA II  PROFESSIONAL TWO CHANNEL VACTROL ® /TUBE LEVELING AMPLIFIER IMPORTANT SAF ETY INSTRU CTIONS – RE AD FI RST .......................................................................... 1 INTRODUC TION ................................................................................................................... ................. [...]

  • Page 4

    INTRODUCTION Thank you for purchasing Applied Research and Technology ’s Pro VLA II  . Offering a superb level of sound quality, the Pro VLA II  has a unique design that will enhance the sonic textures of your audio system for years to come. The Pro VLA II  is one of the finest audio compressors available. Developed in partnership with s[...]

  • Page 5

    Unpacking Your Pro VLA II  was packed with care at the factory. The shipping carton was designed to protect it during initial shipment. Please retain this carton for use in transporting the Pro VLA II  when it is not installed in a rack, or in the unlikely event that you need to retu rn your Pro VLA II  for servicing. The shipping carton s[...]

  • Page 6

    FRONT PANEL CONTROLS and INDICATORS Power The POWER switch turns the power on and off to the unit. The Pro VLA II  should be turned “on” with all monitor levels turned down to protect against any “thumping” caused by power up. Likewise, the Pro VLA II  should be turned “off” after turning all monitor levels down. When the POWER sw[...]

  • Page 7

    FIGURE 1 – Channel 1 Controls Output Level Control The OUTPUT LEVEL control serves two functions. The CH1 knob always controls the output level of CH1, but can also serve as a “MASTER” output level when the Link Mode is active. The fully counter-clockwise position of the knob mutes the output. The CH2 OUTPUT LEVEL control operates as a standa[...]

  • Page 8

    Release Control The RELEASE control sets the time the Compressor/Limiter takes to increase the gain after the input level drops. Longer settings maintain the dynamics of the input si gnal, while shorter settings reduce the dynamics. Shorter settings will also increase the apparent reverber ation, and at extreme gain reduction settings, lead to “b[...]

  • Page 9

    FIGURE 2 – LED Output Meter and Link Switch LED Output Meter This meter displays both average and peak levels of the output signal. The LED labels indicate how far the output is away from full maximum output in dB. In each bargraph, a single LED is held on for a little over one second, displaying the peak level. Some peaks may not be audible, but[...]

  • Page 10

    REAR PANEL I/O The Pro VLA II™ XLR connectors follow the AES standard of: Pin 1 = Ground, Pin 2 = Hot (+), Pin 3 = Cold (-). The balanced 1/4” phone jacks are typical TRS connection s: Tip - Hot (+), Ring - Cold (-), Sleeve - Ground. Balanced Inputs The Pro VLA II™ provides both an XLR and 1/4” input jack. Both jacks are balanced. The 1/4?[...]

  • Page 11

    FIGURE 3 – Rear Panel Balanced Outputs The analog output of the Pro VLA II™ is available on both a 1/4” TRS balanced ja ck and an XLR jack. This output is active pseudo balanced. The output has a 100 Ohm impedance into a balanced or unbalanced loa d. The LED and analog VU meter monitor the level present at this output. “0” VU on the analo[...]

  • Page 12

    APPLIC ATIONS Compressor/ Limiter The main application of the Pro VLA II™ is to control the dynamic range of an au dio signal. Plug a line level (post preamplifier or other gain stage) source into either input, and set the threshold and output controls to provide the desired amount of compression to the input signal. Stereo Mix and Mastering Beca[...]

  • Page 13

    WARRANTY INFORMATION Limited Warranty: Applied Research and Technology will provide warrant y and service for this unit in accordance with the following warrants: Applied Research and Technology, (ART) warrants to t he original purchaser that this product and the components thereof will be free from defects in wo rkmanship and materials for a perio[...]

  • Page 14

    SERVICE The following information is provided in the unlik ely event that your unit requires service. 1) Be sure that the unit is t he cause of the problem. Check to make sure the unit has power, all cables are connected correctly, and t he cables themselves are in work ing condition. You may want to consult with your dealer for assistance in troub[...]

  • Page 15

    SPECIFICATIONS Input Impedance Balanced/Unbalanc ed ................................................................ 10K Ohms Maximum Levels Range Swit ch ............................................................................. +4dB u/-10dBV selectable Inputs .....................................................................................[...]

  • Page 16

    www.artproaudio.com E-mail: support@artproaudio.com © 2007 Applied Research & Technology 213-5004-100 e 15[...]