Installation and Operation

Installation Overview

To install and set up an MPA 181T, follow these steps:

1Turn all of the equipment off. Make sure that the input devices (DVD, VCR, PC, etc.), the MPA 181T unit, and the output devices are turned off and disconnected from their power source(s).

2Mount the MPA 181T unit. See Mounting the MPA 181T below.

3Attach the speakers and/or other output devices to the MPA 181T. See Rear Panel Features later in this chapter for more information.

4Attach inputs to the MPA 181T. See “Audio inputs” later in this chapter for more information.

5Connect power cords to the MPA 181T and other devices.

6Adjust MPA 181T input level, bass and treble. See Setting up the MPA Amplifier later in this chapter for detailed information.

Mounting the MPA 181T

There are many optional accessories for mounting the

MPA 181T. They include the following part numbers:

• PMK 300 Multi-Product Projector Mounting Kit (70-374-01)

•PMK 350 Low Profile Multi-product Projector Mount Kit (70-563-02, -03)

•RSU 126 1U 6” Universal Rack Shelf

		(60-190-10)
•	RSU 129 1U Universal rack shelf	(60-190-01)
•	RSB 129 1U 6” basic rack shelf	(60-604-01)

• MBU 125 1U Under-Desk Mounting Kit

(70-077-01)

• MBD 129 1U Through-Desk Mounting Kit

(70-077-02)

Following are detailed instructions on rack mounting, under- desk mounting, and projector mounting the MPA 181T unit (for use in classrooms, personal offices, meeting rooms, etc.).

Rack mounting

1.	If feet were previously installed on the bottom of the
	MPA 181T unit, remove them.
2.	Mount the unit on the rack shelf, using two
	4-40 x 3/16" screws in opposite (diagonal) corners to
	secure the MPA to the shelf. See figure 2-1 below.
3.	Install blank panel(s) or other unit(s) to the rack shelf.

4.Insert the shelf into the rack, aligning the holes in the shelf with those in the rack.

5.Secure the shelf to the rack using the supplied machine screws.

MPA 1	6" Deep Rack Shelf
81T
	MP
	A 1
	81T
	MP
	A 1
	81T

(2) 4-40 x 3/16" screws

MPA 181T

Figure 2-1 — Rack mounting the MPA 181T

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MPA 181T • Installation and Operation

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