More AL products Specifications
Product RDM Integrity
A visual way to view DMX512
nanoScope is a small
battery powered tester for DMX512 and RDM. Built into a 5 pin XLR
connector with a translucent plastic case, nanoScope lights up in
different colors to report its findings.
The unit has two
modes of operation, selected by a recessed slide switch which also
doubles as the power switch.
In 'Pixel Mode',
nanoScope simply displays the first three DMX channels as an RGB mix.
This allows nanoScope to be used as a pixel mimic to provide confidence
that the expected data is on the cable.
A flick of the switch
selects 'Analysis Mode'. Here nanoScope displays a sequence of
colored blips, that represent different attributes of the DMX512
signal. The sequence comprises one long blip followed by a train of
The long blip will be
either green or red to indicate overall good or bad data respectively.
The train of short blips can contain:
out of range, less than 88uS (an error)
After Break (MAB), less than 8uS (an error)
(an error which may occur legitimately during RDM
data format wrong (an error)
too long, contains more than 512 channels (an
512 channels in data (informational)
Warm White: Non-Zero
start codes (excluding RDM) detected (usually informational
be an error)
RDM detected in data (informational)
RDM draft detected in data (informational)
Blue: RDM responses detected (informational)
Blue: DMX Test Packets detected (informational)
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copyright Goddard Design Co. 2009 last updated Jan. 11,2018