Martin MAC 350 Entour Bedienungsanleitung PDF herunterladen (Seite 28)

28 MAC 350 Entour user manual

3. To remove a rotating gobo, pull it gently

towards the lens until you can slide it up

and out of the two leaf springs that secure

it.

4. To install a gobo, slide the flange on the

edge of the gobo down between the

springs and the gobo wheel until the gobo

can be located in its aperture in the gobo

wheel. Check that it is held securely and

that the teeth around the edge of the gobo

are engaged in the cog in the center of

the gobo wheel.

5. To remove a color filter, turn the gobo

wheel so that the open position (arrowed

in Figure 10) is in front of the filter. Gently

press the filter towards the lens to release

it and then grasp it by the edges and

remove it. If your fingers are too large,

protect the glass with a piece of paper

that has been folded several times and

grasp the filter with needle nose pliers.

6. To install a color filter, slide it under the retention spring until it snaps into place.

7. Close the access hatch, pressing firmly until there is a definite click.

Replacing rotating gobos

Important! The gobo can fall out if the spring is inserted the wrong way round.

The gobos are held in goboholders by a retention spring (see Figure 11).

Note that the retention spring can only be used with gobos maximum 3

mm thick. Thicker gobos can be glued to the holder with a UV adhesive or

Loctite 330 Multibond with Activator.

To replace a rotating gobo

1. Put on clean, lint-free, heat-resistant gloves to protect your fingers and

avoid getting oil on optical components

2. Remove the gobo as described on page 27.

3. With a small screwdriver or similar, unhook the end of the gobo spring

furthest from the gobo and pull out the spring. Drop the gobo out of the

holder.

4. Insert the new gobo in the holder with the side that faces towards the

LEDs facing upwards, towards the spring (see Figure 8 and Figure 11).

5. Insert the spring with the narrow end against the gobo, as shown in

Figure 11. To identify the narrow end, press the spring flat: the narrow end is on the inside. Push the end

of the spring in under the lip of the holder.

6. Check that the gobo is seated flush against the holder. Press the spring as flat as possible against the

back of the gobo.

7. Work the rim of the goboholder under both clips on the gobo wheel until you can snap the goboholder

back into position. If necessary, lever the clips away from the wheel slightly with a small screwdriver or

similar tool.

8. Close the access hatch, pressing firmly until there is a definite click.

Cleaning

Regular cleaning is essential in order to obtain optimum fixture life and performance. Buildup of dust, dirt,

smoke particles, fog fluid residues, etc. degrades the fixture’s light output and cooling ability.

Cleaning schedules for lighting fixtures vary greatly depending on the operating environment. It is therefore

impossible to specify precise cleaning intervals for the MAC 350 Entour. Environmental factors that may

result in a need for frequent cleaning include:

• Use of smoke or fog machines.

• High airflow rates (near air conditioning vents, for example).

• Presence of cigarette smoke.

Figure 10: Changing gobos and filters

Figure 11: Rotating

goboholder

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 47 48

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