DDHB
DDTM
DDTR
EDI
ACO
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Designs Department Handbook; which contains operational
and maintenance information for users of Designs
Department equipment. Copies are available throughout
Engineering Division on request to Technical
Publications, Engineering Training Department by
quoting the BBC equipment code.
Designs Department Technical Memorandum; which contains
information' on new techniques, proposals for new
designs, system specifications, results of
investigations, etc. Copies are available throughout
Engineering Division on request to Liaison Unit.
Designs Department Test Report; which contains
confidential
information on evaluations
of
commercial
equipment and components. Due to their confidential
nature requests for copies must be made in writing, via
the Head of Department or Head of Engineering concerned,
to Liaison Engineer, Designs Department.
Engineering Design Information; which contains
provisional information on new equipment (grey heading)
issued at an early stage in the development programme to
stimulate comments from prospective users and enable new
designs to be considered for new installations at the
earliest opportunity; definitive information on new
equipment (black heading) issued at the end of the
development programme to prospective buyers; installers
and users within the BBC; and miscellaneous information
(white heading) such as EDI Indexes, details of new
techniques, availability of Designs Department
publications, etc. EDI's are available throughout
Engineering Division on request to Liaison Unit.
Apparatus in Code Order; which contain operational and
maintenance
information.
Copies
are
available
throughout Engineering Division on request to Technical
Publications, Engineering Training Department.
Please notify Liaison Unit of any errors, further information, or
suggestions for improvements in RD & CE.
DBS/LB
D.B. Simmons
Liaison Engineer
Designs Department
April 1981

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