DG3 Controller – Installation and Operation
Manual
540846-3 page 9 of 64 25/09/2015
Introduction
General
The best understanding of Hanover's DERIC Generation 3 (DG3 for short) controller will be gained by
reading the complete manual - but this is not always practicable for the user. The document has therefore
been written in a modular fashion in order to allow users to refer only to those parts of it they need: topics
should thus appear relatively self-contained. However, there are several useful cross-references, both to
other points within this manual, to other Hanover manuals and to external documents as appropriate.
Accordingly, when consulting this document using a pdf reader, it is helpful to have the 'Back' (or 'Previous')
and 'Next' (or 'Skip' / 'Forward') buttons enabled to obtain maximum benefit from the intra-document cross-
references. For example, in Adobe Reader, press F8 to view the toolbar if it is not already visible. Right-
click on a blank section of the toolbar and, in the 'Page Navigation' menu, please ensure that 'Previous
View' and 'Next View' are ticked.
Reference is made to the LED destination signs and to the Helen software used with the DG3: detailed
manuals are available for these from Hanover.
Destination signs for buses and coaches are normally used on the front, side and rear of the vehicle. This
practice is so widespread that Hanover often uses 'front, side and rear' to describe equipment used in
those positions. However, it is important to stress that any sign can be used anywhere on a vehicle,
subject to the relevant electrical / communications connections being made.
Information about the location of the controller is provided in section 2.1 Fitting the controller.
Scope of this manual
This manual covers the installation and operation of the Hanover DG3 controller. It also has
troubleshooting and FAQs sections which address the more common problems and queries.
Introduction to the manual (also contains technical information for the controller) and the
DG3
FAQs which address the more common problems and queries
The destination or in-bus signs themselves:
The installation and service of the signs: for more details, please refer to the LED destination
display - installation and service manual (ref. 540156)
Technical specification for individual signs: this is provided separately for each variant
The use of the Helen display-editing software for composing messages for the signs: for more details,
please refer to the Helen v3.3 display-editing software - operating manual (ref. 540125)
Hanover produces many bespoke and custom systems - for example, with special wiring adaptations or
software features. The DG3 controller will work well as part of a networked system (including with third-
party hardware) but users are advised to consult their system-specific documentation and / or consult
Hanover (please refer to section 4.3 Hanover Technical Support) where necessary.
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