User manual SIMRAD PI HBU REV A
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Manual abstract: user guide SIMRAD PI HBUREV A
Detailed instructions for use are in the User's Guide.
[. . . ] Instruction manual
Simrad PI HBU Hydrophone Booster Unit
www. simrad. com TECHNOLOGY FOR SUSTAINABLE FISHERIES
Simrad PI HBU Hydrophone Booster Unit
Instruction Manual
This document allows you to install and put to use the PI
HBU (Hydrophone Booster Unit).
326153/A 08 January 2008
Document history
Document number: 326153 Rev. A 8 January 2006 First version.
Copyright
©2008 Kongsberg Maritime AS The information contained in this document remains the sole property of Kongsberg Maritime AS. No part of this document may be copied or reproduced in any form or by any means, and the information contained within it is not to be communicated to a third party, without the prior written consent of Kongsberg Maritime AS. The document, or any part of it, may not be translated to any other language without the written approval from Kongsberg Maritime AS.
Disclaimer
Kongsberg Maritime AS endeavours to ensure that all information in this document is correct and fairly stated, but does not accept liability for any errors or omissions.
Warning
The equipment to which this manual applies must only be used for the purpose for which it was designed. [. . . ] 7 Simrad PI32 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Simrad PI44 and PI54. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
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About
ABOUT
This document allows you to install and put to use the PI HBU
(Hydrophone Booster Unit).
Figure 1
PI HBU (Hydrophone Booster Unit)
Figure 2
Commercial power supply provided with the PI HBU
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Simrad PI HBU
PI HBU (HYDROPHONE BOOSTER UNIT)
The PI HBU (Hydrophone Booster Unit) is a small and compact unit providing amplification for the weak signals from the PI hydrophone. The PI HBU is powered by a separate power supply.
Prerequisites for use
In order to use the PI HBU your PI receiver must operate with the following software version: · · ·
PI32: Not applicable PI44: DSP (Digital Signal Processor) version 1. 11 (or later) with MMI version 0. 50 (or later). PI54: DSP (Digital Signal Processor) version 1. 11 (or later) with MMI version 0. 50 (or later).
Why use the PI HBU
On the PI44 and PI54 systems, software release 1. 08 provided an increased range capability. By using the PI HBU (Hydrophone Booster Unit) as well the systems will offer additional range, and they will be more tolerant for noise. On PI32 systems, the PI HBU (Hydrophone Booster Unit) will also provide increased range capability.
Why not use the PI HBU
For the majority of PI users experiencing adequate performance, and with no need to increase the range capability, the PI HBU (Hydrophone Booster Unit) will not be required.
When to use the PI HBU
The PI HBU (Hydrophone Booster Unit) is recommended if the reception of the PI system is cluttered with noise from interference, or with noise from other acoustic systems on the vessel, such as sonars, echo sounders or logs. The PI HBU (Hydrophone Booster Unit) may also prove useful if you experience noise from the vessel propellers.
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Recommended parameter settings
RECOMMENDED PARAMETER SETTINGS
When the PI HBU (Hydrophone Booster Unit) is put to use, the recommended parameter settings are changed.
Simrad PI32
The following Receiver setup parameters are recommended when the PI HBU (Hydrophone Booster Unit) is put to use. ·
Interference filter: OFF
Switch ON if interference is still a problem. As an alternative, you may keep the filter OFF, and increase the Detection threshold (DT) setting in steps of 2 dB until the interference disappears. ·
Interference filter level: 9
If you switch the interference filter ON, you may change the level to 8. · · ·
AGC: OFF Manual gain: 20 dB Max shooting speed: 1 kn
In order to maintain best possible reception during the shooting you may increase this setting to 5 kn. ·
Detection threshold (DT): 8 dB
The other settings are not important. Figure 3 PI30 Receiver Setup, example
Simrad PI44 and PI54
When the PI HBU (Hydrophone Booster Unit) is put to use, the recommended parameter settings are changed.
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Interference filter: OFF
Switch ON if interference is still a problem. As an alternative, you may keep the filter OFF, and increase the Detection threshold (DT) setting in steps of 2 dB until the interference disappears. [. . . ] Connect the power supply to AC mains, and connect the power cable to the socket (C) on the PI HBU unit. Power up your PI system.
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Kongsberg Maritime
S im r a d
Ko n g s b e r g M a r it im e A S S t ra n d p rom e n a d e n 5 0 P. Bo x 1 1 1 N- 3 1 9 1 H o r t e n , N o r w a y Te le p h o n e : + 4 7 3 3 0 3 4 0 0 0 Te le fa x : + 4 7 3 3 0 4 2 9 8 7 w w w . [. . . ]
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