Midas Pro 6 DL351 Operator's Manual page 13

Precautions
Optional equipment
Unless advised otherwise, optional equipment
must only be installed by service personnel and
in accordance with the appropriate assembly
and usage regulations.
DL351 Modular I/O
Operator Manual
Special accessories
To comply with part 15 of the FCC Rules, any
special accessories (that is, items that cannot be
readily obtained from multiple retail outlets)
supplied with this equipment must be used with
this equipment; do not use any alternatives as
they may not fulfil the RF requirement.
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