HT20470 Processor Unit

Rugged and powerful computer for demanding sonar operations

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Rugged and powerful computer for demanding sonar operations

A dedicated maritime computer is provided with our sonar systems. We refer to this computer as the Processor Unit.

The Processor Unit is a rugged and powerful computer. It is designed for long life in a demanding maritime environment. The Processor Unit contains the operational software and offers a user interface that allows you to control the sonar system. Furthermore, it offers a number of serial and Ethernet lines for communication with external devices. The Processor Unit is normally mounted on the bridge.

The HT20470 Processor Unit is available in two versions. The DC version operates on +24 VDC while the AC version operates on 100 to 240 VAC. A power supply is required if a DC-powered unit needs to work from an AC supply.

NOTE: The Processor Unit does not contain any fans. It will be very warm, even during normal operation. This is by design. Airflow around the unit will significantly increase the effect of the heat sinks and thereby also the lifetime of the unit. Such an airflow is highly recommended. The computer has been tested and verified with ambient temperatures up to 50 degrees Celsius. A lower ambient temperature is however positive for its lifetime.

Simrad support and sales

Kongsberg Discovery owns the Simrad brand name, which is your assurance of quality. All Simrad products are backed by Kongsberg Discovery's extensive worldwide support and training. On the Support pages, we have provided the relevant Simrad contact information for professional fish-finding systems for direct assistance.

Simrad provides a global sales organization for product information, software updates, and purchases.

We encourage you to stay in touch via our Instagram, Facebook, X (Twitter), and LinkedIn social media channels. 

Rear panel connections

We have copied this illustration from the HT20470 Installation Manual.

Get in touch!

In addition to our many offices around the world, our global dealership network enables distribution to more than 100 countries to meet customer needs at any location. Find your local dealership or Kongsberg Discovery office here. 

We offer comprehensive after-sales assistance