Extron electronic 305SA manual Using the slots on the bracket that are

vi.	Pivot the arms so that they extend towards
	the center of the projector (see the figure at
	right). Adjust the arms as needed for your
	projector model.
	NOTE: Avoid overlapping the arms where
	possible.
vii.	With the security flange towards the rear of
	the projector, place the projector bracket on
	top of the arms and adjust for slot alignment.
• Using the slots on the bracket that are
closest to the barrel on each arm, place the
clamp under the arm and lightly secure it to the
bracket with the adjustment screws (see the
figure at right). Loosely secure all the mounted
arms.

NOTE: Where arms are unavoidably

crossed, replace the original adjustment

screw with a supplied 10-32 ¾ inch

adjustment screw and secure both

arms to the bracket using one clamp. In

addition, the barrels on the arms must be

raised to compensate, keeping the arms

level and reducing stress.

viii.As close as possible, balance the weight of the projector evenly across the projector bracket. Lift the bracket at opposite corners to assess if the configuration is approximately balanced.

ATTENTION: Take into consideration the uneven weight distribution of the projector when lengthening or shortening the arms. Distribute the projector weight evenly on the arms.

Adjust the bracket on the arms as needed. The projector shown at right is as close as possible to being evenly balanced.

Washer

vi. Pivot arms towards center of projector.

Using the slot closest to the barrel, secure the arms to the bracket with the clamp and screw.

vii. Secure arms with clamp

Where arms cross, use the
supplied screw to secure
both arms to the bracket.	Bracket
See note at left.

Arms Clamp

Note: If arms cross, secure both with clamp

viii. Evenly balanced configuration

14PoleVault IP Systems • Installation — Stage 1 (Screen and Projector)