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Summary of Contents for Castle group Electronic Orange GA904
- Page 1 Operating Manual Electronic Orange GA904 www.castlegroup.co.uk...
- Page 2 It is my intention for Castle Group Ltd to provide a wide range of technical health and safety products and Services of the highest standard. If you would like to know more about any of our other products and services then please telephone on +44(0)1723 584250 or visit www.castlegroup.co.uk...
- Page 3 Copyright This manual is copyrighted with all rights reserved. Copying in part or in whole is prohibited without the prior written consent of Castle Group Ltd. Precautions Only operate the instrument as described in this manual. These are precision instruments, protect from shocks and vibrations.
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Page 4: Table Of Contents
Contents Introduction....................1 Instrument Description ................ 1 Installation ....................2 Power Rating Limitations.................... 2 Items Supplied ........................3 Additional Items Required ..................3 Mounting the GA904 ....................3 Mounting the Orange Beacon Warning Light........... 4 Mounting the Microphone ..................4 Microphone Wiring...................... -
Page 5: Introduction
Introduction The GA904 Electronic Orange is a system for use where amplified sound could give rise to complaints about noise from neighbours. If the sound level should exceed the trip level the unit will remove power from the stage or amplifier system. -
Page 6: Installation
down the amplifier output and to ignore any momentary increase in level caused by the patrons when the power to the amplifiers has been removed. However, the function of the “Electronic Orange” is not so much to interrupt entertainment as to provide adequate notice of excessive levels in order that they may be controlled to below the required maximum. -
Page 7: Items Supplied
(NB Two keys are supplied e) 2 keys for the Manual/Auto/Override switch. by Castle Group Ltd with each switch. Duplicates are not kept by or available from Castle Group Ltd.) f) Microphone mounting clip. (NB Two keys are supplied by Castle Group g) Padlock (for added security). -
Page 8: Mounting The Orange Beacon Warning Light
c) The control box should be visible to person operating it so that trip condition can be easily reset. d) Occasionally performers or the audience may be tempted to vandalise the equipment if the performer refuses to turn his volume down and the unit keeps tripping. -
Page 9: Wiring To The Orange Beacon
While the 10 metre cable provided is adequate for most installations, longer cables are available to order, or screened twin cable may be used on the connector supplied, up to a maximum of 30 meters. In long cable runs, take special care to separate the microphone signal cable from electric power cables, especially those to fluorescent light fittings. -
Page 10: Ac, Dc, Power Output Wiring
AC, DC, Power Output Wiring These signals are available for connecting chart recorders, tape recorders, or external displays etc. The connections are as follows: J10/1 J10/2 J10/3 +12V J10/4 AC Output J10/5 DC Output J10/6 2.5V Reference Voltage Page 6... -
Page 11: Controls
NOTE: The instrument is supplied with two keys. These keys are individual to your instrument. Please make copies in case these keys are misplaced. Castle Group does not keep spare keys and cannot supply replacements. Manual When the level has exceeded the trip level indicated by the top red LED on the multi-level display, then the unit will trip. -
Page 12: Displays
Displays The GA904 features several indicators to show the current operational state of the unit and why it has tripped. These include: A multi-level LED display bar showing the sound pressure level (Lp) relative to the trip level, which is shown by the top red LED. This is indicated in 3 dB steps, in three colours, red, yellow, and green. -
Page 13: A And B Frequency Weighting, Sw2
A and B Frequency Weighting, SW2 This is a two way switch which selects the required frequency weighting. The switch must be switched right for “A” weighting and left for “B” weighting. Figure 5.1 shows the “A” and “B” frequency weighting characteristics. Trip Level, SW3 This switch is used to set the trip level from 75dB to 112.5dB in 2.5dB increments. - Page 14 Trip Level Switch SW1 20dB 10dB 2.5dB 77.5 82.5 87.5 92.5 97.5 102.5 107.5 112.5 O = Open (Up) X = Closed (Down) *Factory Set Switch Position Warning Level dB (WRT Trip Level) Page 10...
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Page 15: Pcb Identification
PCB Identification The diagram below shows the position of the following components on the PCB. Page 11... -
Page 16: Technical Specification
DISPLAYS Analogue bar graph display showing sound pressure level Trip indication with trip source Warning indication Manual reset prompt In the interest of continued development, Castle Group Ltd reserve the right to change any specification without due notice. Page 12... -
Page 17: Accessories
Accessories The following are a list of available accessories and spare parts which can be ordered from Castle Group Ltd. 01ZL1011-10 10m Microphone Cable 01ZL1011-20 20m Microphone Cable 01ZL1011-30 30m Microphone Cable 01MK376PXLR Microphone assembly for GA904 70MIS01730 Microphone Stand... -
Page 18: Warranty And After Sales Service
In the event of a fault occurring, during the warranty period, the instrument should be returned to Castle Group Ltd, in its original packaging, or to an authorised agent. Please enclose a clear description of the fault or symptom. -
Page 19: Instrument Disposal
Castle Group Ltd assumes no responsibility or liability for any injury, loss or damage incurred as a result of misinterpreted or inaccurate information. Any documentation supplied with your product is subject to change without notice.
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