Lectrosonics DMPA12 User Manual download pdf (Page 13)

DMPA12 Installation Guide

Rio Rancho, NM

Initial Setup

The initial setup of a DMPA12 system is a simple four

step process:

• SettheunittotheMaster mode, if necessary

• Connect the unit to the computer

• SelectthesignalSource

• SettheGain / Level

LecNet2™ Software and the USB Driver must be in-

stalled before these steps can be completed.

Master/Slave Conﬁguration

IMPORTANT: When operated as a “stand

alone” unit, the ampliﬁer must be conﬁgured

as a Master before it will communicate with a

computer for setup.

First, connect ONLY the computer and a power cable

to the processor. Turn the power on and observe the

Status LED on the front panel. If the LED is blinking, the

unit is in the Slave mode and cannot start up because it

does not detect the presence of a Master unit.

If the STATUS LED blinks at power up, press the MODE

button to reset the unit temporarily to the Master mode.

The unit can then be connected to a computer and

conﬁgured as needed for operation.

Permanent changes to the Master/Slave status must

be made with the GUI interface. The front panel MODE

button is temporary only.

Connect

For simplicity, the instructions shown on this page

include only USB and RS-232 connections for setup

using a computer connected directly to the amplier. For

additional methods of connecting to the unit including

network and ofﬂine use, see page 17.

Connect the computer system to the DMPA12 unit us-

ing either the USB cable or the BLACK DB9 to stereo

mini (TRS 1/8”) cable for RS-232 communications.

(Both cables are included with the unit.)

NOTE: Only one DMPA12 unit at a time can be

connected to a serial port using the RS-232 cable.

Multiple units may be connected to a USB port

using a USB hub.

Turn the computer system on. After the boot sequence

is complete, click Start, then All Programs.

Select LecNet2, then select the DMPA12 control panel

from the list.

If the “Just a Reminder” dialog appears, click OK to

continue.

Click Connect on the Main Menu bar, then select the

type of connection between the computer system or

external control system and the DMPA12 unit.

USB - A standard interface that launches automatically

when the unit is connected and turned on. Front and

rear USB ports are provided.

Serial->COM1 - An RS-232 port for RS-232 com-

munications between the DMPA12 and the computer

sytsem, or for connecting the DMPA12 to an external

Crestron

or AMX

control system.

NOTE: The menu will list all serial ports detected

on the PC. However, many newer PCs have no

RS232 serial ports at all, so no serial connection

options will be listed.

For additional methods of connecting to the unit includ-

ing network and ofﬂine use, see page 18.

Connecting via a USB port.

The STATUS LED will blink if the

unit is turned on and in the Slave

mode and there is no DM Master

processor connected to it.

Use the GUI

to make

permanent

changes to the

Master/Slave

status.

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