2017.06.19 FwdMan2.8.17.docx 4-35
7 Defl., 32/80 chr. (.FWD)
This file format is one of the oldest developed by Dynatest for PC driven FWD/HWD
equipment. It is the least versatile format and will only accommodate seven deflectors. A
number of back calculation programs (Modulus, Evercalc, Modcomp) were designed for this
file format, only. If you intend to use one of these programs be sure to also select this file
format.
Pavement Deflection Data Exchange (DDX)
This format is similar to the ‘System.INI’ in Windows. The file is divided into sections each
having a bracketed header line, like: [Operations Information]. The data is composed of a
descriptive name, an equal sign followed by the value(s), like: Operator = John Johnson. For
details see TUTUwww.normas.com/AASHTO/pages/PDDX.htmlUUTT.
Specifying Feedback Type
The Feedback box allows the operator to control the way messages are issued by FwdWin.
The computer (if suitably equipped) can issue audible warnings, error messages, and
assistance if desired. Each type of message can be set to either Text (messages displayed on
the computer screen) or Voice (audible messages played on the computer sound system).