Salicru IS Series User's Manual, Installation And Start-Up page 23

2. On the output:
It will generally be necessary to install the Output Filter unless the output line is confine within a common metal
cabinet with the loads, or the line is carefully screened. If the filter is not installed, it must be made sure that:
The radiation is maintained within the limits demanded by the standard.
The unit supplied by the INVERTER are immune to its emissions.
3. On the Bypass input (if there is this dispositive):
With high impedance lines, it may be necessary to install the Bypass Filter. Should the use of such filter be waived,
it must be made sure that:
The radiation is maintained within the limits demanded by the standard.
Other units installed around the INVERTER and supplied by the said line, are immune to its emissions.
Summing up:
The filters indicated as DC Input RF Filter, Output Filter and Bypass Filter are the ones that our company has
developed to comply with C.E.M. directive 89/336/CEE and which allow the product to be CE marked.
When the installation does not have such filters, it is the responsibility of the Projector, the Installer or both to replace
them with devices or other components that bring the unit of the installation in to line with the demands of the C.E.M.
Directive.
In installations where the INVERTER is supplied with a battery line common to other units with reduced immunity to
harmonics, it may be necessary to install the DC Input Harmonic Filter. This filter significantly attenuates the harmonic
content of the input current, but the effective elimination of intermodulation phenomena will essentially depend on
the common impedance of the supply lines and the susceptibility of the audio units.
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