Digitimer D400-2 Manuel de l'opérateur - Page 18
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Digitimer Ltd – D400 Operator's Manual
The software controls of the D400 are laid out in a grid, with Master Control (M) on the left
and individual channel control labelled 1 and 2 (D400-2) or 1 to 4 (D400-4) in the additional
columns of the grid. Below the channel labels are three large "Clear", "Hold" and "Bypass"
icons. Clicking on these icons replicates the actions of the hardware buttons, making
settings changes that are global (Master channel) or on a per channel basis.
Below the "Clear", "Hold" and "Bypass" controls are a pair of smaller icons, associated with
the Bypass feature, that allow the user to toggle the input signals (left icon) and template
subtraction processes (right icon) on or off.
The table below summarises how these two controls influence the behaviour of the D400
and which signals are passed to the outputs.
Icon Status
Front Panel LED Status
Signal: Green
Template: Green or Amber*
Signal: Green
Template: Extinguished
Signal: Extinguished
Template: Green or Amber*
Signal: Extinguished
Template: Extinguished
* Template LEDs are Amber if Hold is active
Third Party Software Control
The D400 Control Panel software incorporates a simple advanced programmer's interface
(API), which is available for users who wish to control the D400 via their own or third party
software, rather than use our own GUI. If you are interested in using the API, please contact
us, providing details of the software you intend to use and what programming or scripting
languages you typically employ.
Description of D400 Mode
Normal Operating Mode (Bypass OFF)
The input signal is passing through the
D400 to the output and template
subtraction process is active i.e. normal
noise subtracting state.
Bypass Mode ON
The input signal is passing through the
D400 to the output, but the template
subtraction process is inactive i.e. the input
signal = output signal and noise is not being
actively removed.
The input signal is not passing through the
D400, but the template subtraction process
is still active. The output signal is the
inverted noise template and does not
include the input signal.
The input signal is not passing through the
D400 and the template subtraction process
is inactive. The output signal reflects the
output noise from the D400.
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Version 1.2