Extron electronic PVS 305SA manual Introduction Planning, cont’d, Example classroom installation

Introduction — Planning, cont’d

•Lighting

Type and control (important for projector image viewing)

Ambient light from windows

Windows

TV / VCR / DVD Inputs

Student Desks

Speaker

Location

Projector/Switcher

Location

	MLC Controller
	Location
	Teacher’s Desk
PVT A/V Wallplate	Screen/White Board
Location	Location

Example classroom installation

b.Location of the screen and projector

•Proposed screen location

Normally located at the front center of the room (not covering fire alarm strobes when screen is lowered)

Dimensions and type of screen (maximum image size, motorized or hanging screen)

•Proposed projector location

Aligned with center of the screen and not an obstruction to viewing

Projector's throw distance (maximum and minimum limits to the screen) of the image

Horizontal offset (horizontal distance from the center of the lens to the center of the projector)

Vertical offset of the projected image (height relationship between the projector and the screen)

Projector angle (image projected up, down, or horizontal to screen)

Power source for the projector: existing and accessible or needing installation

Projector weight. The Universal Projector Bracket (UPB 25) supports a maximum weight of 25 lbs.

Overhead clearances (refer to a copy of "ADA Standards for Accessible Design", "Section 4-4", "Head Room" for ADA requirements)

80"

(203 cm)

Min

4"

(10 cm)

Max

Greater than

27"

(68.5 cm)

Walking Parallel to a Wall (ADA referenced figure 8a, redrawn)

ADA overhead and side clearance requirements

•Viewing obstructions

 Pillars, furniture etc., window locations for glare reduction, obstructions between projector and screen

1-4 PoleVault Systems Installation • Introduction — Planning