ETC Source Four jr Assembly Manual page 10

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10
Zoom Front Lens Assembly
1. Position the lens (9) between the lens holder (4) and the lens
cover (11) so that the convex side of the lens faces the lens
holder, as shown in Figure 9.
2. Align the holes in the lens cover with the holes in the lens holder
as shown below.
3. Secure the lens cover and the lens to the lens holder using
screws (14) and locking nuts (15). Tighten securely to ensure no
lens movement.
4. Snap the bushings (17) onto the lens holder assembly as shown.
Figure 9 4
9
Zoom Rear Lens Assembly
1. Slide spacers (16) over the PEM studs of the secondary
aperature plate (13), as shown in Figure 10.
2. Insert the PEM studs on the secondary aperature place (13)
through the holes in the lens holder (5).
3. Position the lens (10) between the lens holder (5) and lens cover
(12). The blue orientation marks on the lens should face towards
the lens holder.
4. Insert the PEM studs of the secondary aperature plate (13)
through the lens cover (12).
5. Secure the lens cover, lens, and aperature plate using nuts (15).
6. Snap bushings (17) to the lens holder (5).
Figure 10
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5
12
13
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Electronic Theatre Controls, Inc.