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6
MAC Ultra Performance Safety and Installation Manual
• This fixture corresponds to Risk Group 3 according to EN 62471 when all photobiological risks are
considered and Risk Group 2 according to IEC/TR 62778 for blue light only. It emits possibly hazardous
optical radiation.
• The fixture falls into the Risk Group categories shown below according to both EN 62471 and IEC/TR
62778 under worst-case conditions:
• At a distance of less than 4 m (13.2 ft.) from the fixture, the light output can potentially cause eye or skin
injury before an exposed person's natural aversion responses (blink reflex and reaction to skin discomfort)
can protect them. At distances greater than 4 m (13.2 ft.), potential eye and skin injury hazards from the
light output are normally prevented by natural aversion reflexes.
• Position the fixture so that persons cannot be exposed to the fixture's light output at a distance of less
than 4 m (13.2 ft.) from the fixture, and so that prolonged staring into the light output at less than 57 m
(187 ft.) from the fixture is not expected.
P R O T E C T I O N F R O M I N J U R Y
• Fasten the fixture securely to a fixed surface or structure when in use. The fixture is not portable when
installed.
• Do not lift or carry the fixture alone.
• Apply the tilt lock and use the handles on the base and on the yoke when carrying the fixture.
• The handles on the back of the head are designed for use by a followspot operator only. Do not use them
to carry the fixture.
• Use two evenly spaced omega brackets with clamps to suspend the fixture from rigging structures. Do not
use only one clamp.
• When clamping the fixture to a truss or other supporting structure, use two half-coupler clamps. Do not
use G-clamps, quick-trigger clamps or any other type of clamp that does not completely encircle the
supporting structure when fastened.
• The fixture weighs 44 kg (97.1 lbs.). When suspending the fixture, check that the supporting structure and
all hardware used to suspend the fixture can hold at least six (6) times the weight of all devices
suspended from them and that the installation respects all similar safety factors that are required by
locally applicable regulations. Check that the structure and hardware are in perfect condition and suitable
for their purpose.
• If the fixture is installed in a location where it may cause injury or damage if it falls, install as described in
this manual a secondary attachment such as a safety cable that is approved by an official body such as
TÜV as a safety attachment for the weight that it secures. The safety cable must comply with
EN/IEC 60598-2-17:2018 Section 17.7.4 or BGV C1 / DGUV 17, and must be capable of bearing a static
suspended load at least six times (or more if required by locally applicable regulations) the weight that it
secures.
• Eliminate as much slack as possible in the safety cable (by looping it more than once around the rigging
truss, for example). Make sure that, if the primary attachment fails, the fixture cannot fall more than 20 cm
(8 inches) maximum before the safety cable catches it.
• If the safety cable attachment point becomes deformed, do not suspend the fixture. Have the fixture
repaired by an authorized Martin service partner.
• Check that all external covers and rigging hardware are securely fastened.
• Block access below the work area and work from a stable platform whenever installing, servicing or
moving the fixture.
• Allow enough clearance around the head to ensure that it cannot collide with a person or object such as
another fixture when it moves.
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