Lectrosonics DM84 User Manual download pdf (Page 15)

DM84 Installation Guide

Rio Rancho, NM

The DM84 can be conﬁgured in the installation or a

conﬁguration ﬁle can be created off line in advance.

The minimum required setup to pass audio includes:

Inputs, Matrix and Outputs. Input and output ﬁlters,

compressors and delays are used to tailor the system

for speciﬁc audio situations. These parameters are set

upthroughtheControlPanelGUI.

Outputs

Matrix

Inputs

Initial Setup Hints

1) TheGUIinterfaceisquiteintuitive.Asarecom-

mended ﬁrst step, we suggest you select Labels

from the Menu Bar and type in all the input and

output labels. This will simplify further setup steps

because you will be able to easily keep track of

which input or output you are adjusting.

2) The right click is powerful in this interface. You can

activate quick access to a number of setup func-

tions (for example - right click in any input box

in the INPUTS tab ). It also allows some powerful

cut and paste capabilities - especially in the matrix

setup and the ﬁlter (both input and output).

3) Store startup settings in a startup default preset.

(See Storing and Recalling Presets in the online

HELP application.)

4) Presets will take about 3 seconds to switch due to

the many parameters in the unit - audio will switch

off temporarily during a preset switch to avoid feed-

back. If you need quicker response with no interrup-

tion to the audio, use macros instead - try using the

macro recorder for making any changes. The only

changes that cannot be made in a macro are ﬁlter

adjustments. such as EQ.

5) Store presets after changes are made and not be-

fore they are made.

6) Help is always available by clicking Help on the

Main Menu Bar. This Help is a comprehensive

resource and includes the latest revisions to the

software and ﬁrmware.

IMPORTANT: Any changes made during setup

must be saved in the unit via the preset menu.

For direct support from the factory, call 1-800-821-1121

Ask for anyone in the SALES department. They will be

able to answer your setup and/or technical questions or

will get the correct person who can help on the phone.

Front Panel Gain Controls

The gain of input and output audio channels is adjust-

able from the front panel of the DM84. This feature is

useful for system setup and adjustment, and may be left

enabledtoallowusersto“touchup”gainsasneeded

during operation.

Gaincanbeincreasedordecreasedwithinarangewhich

is centered around 0 dB (unity) gain. The minimum gain

position has a special meaning - the channel will be turned

“off”whenthecontrolisrotatedtothefullycounter-clock-

wise position. The range of adjustment for each channel

isindividuallyprogrammableusingtheControlPanelGUI

(in Device Setup Menu) or LecNet2 serial commands.

Changes made to the gain range settings take ef-

fect immediately and are global in scope - the same

settings are in effect no matter what memory “pre-

set” is loaded. The default range is 30 dB (+/- 15 dB).

Any or all of the front panel gain controls may be

“lockedout”topreventunauthorizedchangestothe

system.ThisisalsodoneusingtheControlPanelGUI

(in Device Setup Menu) or LecNet2 serial commands.

Changes made to the gain control lock settings take

effect immediately and are global in scope - the

same settings are in effect no matter what memory

“preset” is loaded.

NOTE: When the Front Panel Mute feature is

enabled, the minimum gain position has a special

meaning. The channel will be muted and the

associated activity indicator will blink RED to

warn the user that no audio is being passed. This

featurecanbecontrolledusingthesuppliedGUI

controlpanelortheserialcommand“fpmten.”

Front Panel Input/Output Activity Indicators

Theseindicatorsreectactivityoninputandoutput

audio channels. Useful for setup and troubleshooting,

these tri-color LEDs are interpreted as follows:

1) Input channels

DARK - channel is inactive

GREEN - audio present (level greater than -35 dBu)

ORANGE - input compressor is active

RED - input is in clipping (overdriven)

BLINKING RED - input has been turned off using

front panel gain control

2) Output channels

DARK - channel is inactive

GREEN - audio present (level greater than -35 dBu)

ORANGE - output compressor is active

RED - output is in limiting

BLINKING RED - output has been turned off using

front panel gain control

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