2.
Installation & Configuration
This section provides complete instructions for mounting the M3 High Fidelity Multi-Channel Digital Audio
Player on a Wall or Table. It also illustrates all interface requirements to auxiliary equipment, including
inputs and outputs. Configuration switch settings are provided.
2.1. Installation
Steps
These are the general steps for installation.
1. Find a space on the wall or table. For table top applications, install included rubber feet. Allow
approximately 6 inches in front of, and 6 inches in back of the unit for user access to memory and
wiring.
2. Mount the unit to the selected place with its wiring at least 18” away from power supply or other
equipment that generates electrical noise.
3. If you are using the optional power supply, make sure there is a standard electrical outlet available.
4. Connect audio outputs.
5. Connect control inputs and outputs.
6. Set DIP switches to the desired operation.
7. Verify memory is installed. If the unit was programmed in the factory, the memory will already be
installed in the unit. If you plan to create your own messages, the memory will be shipped
separately. Refer to Section 5 for additional information on checking memory.
8. Connect and apply power.
9. Test unit operation.
2.2.
Configuration and Features (M3.1, M3.1+1, M3.2)
This section documents the features and functions common to all versions of the M3.
2.2.1. Power
2 terminal pluggable connector.
+
12 VDC at 1 amp
- Ground
The plug is a rising clamp style termination that accepts up to 16 gauge wire. To insert wire loosen
the screw on the top of the plug, insert the wire into the side of the plug, then tighten the screw.
2.2.2. Audio Out
Two, 3 terminal pluggable connectors.
L -
Left audio output, inverting
L
Left audio output ground
L +
Left audio output, non-inverting
R -
Right audio output, inverting
R
Right audio output ground
R +
Right audio output, non-inverting
M3 supports balanced audio output. If unbalanced (single ended) is desired, use audio output non-
inverting and audio output ground.
The plug is a spring clamp style termination that accepts up to 16 gauge wire. To insert wire, insert
a jewelers screwdriver into the upper section of the connection until the spring clamp opens in the
lower section. Insert the uninsulated wire, and remove the screwdriver causing the clamp to grab
the wire.
M3 User's Manual V 1.0 Revised 13, Sept 2011
Page 7
