Rane MLM 82a 2003 version User Manual download pdf (Page 4)

Manual-4

©Rane Corporation 10802 47th Ave. W., Mukilteo WA 98275-5098 TEL 425-355-6000 FAX 425-347-7757 WEB www.rane.com

OPERATING INSTRUCTIONS

MONO MICROPHONE/LINE LEVEL INPUTS 1-4

e microphone pre-amps in the MLM 82a have a combina-

tion gain trim, Level control. e LEVEL control adjusts both

the input dynamic range and mix level. ere is no need for the

typical independent gain trim control found on most mixers.

e PHANTOM POWER switch activates 15 volt Phantom

Power for all Inputs selected for microphone use. With LINE

selected, Phantom Power is defeated only in that Input. 15 volts

is suﬃcient power for all but the most esoteric condenser micro-

phones. If in doubt, check the manufacturer’s microphone specs.

SIGNAL PRESENT/OVERLOAD INDICATORS

e MLM 82a has four bi-color indicators for Signal Pres-

ent/Overload (green/red). Green indication occurs when there

is a signal present above -30 dBu. is lamp should be glowing

green when signal is present. If this lamp is oﬀ, check these pos-

sibilities:

A. e Input may not be connected.

B. ere is little or no signal present at the moment.

C. ere is a Mic connected to a channel switched to LINE.

D. e Mic needs Phantom Power (See Rear Panel, 2).

E. e LEVEL control needs to be increased (clockwise).

F. e cable is not wired properly (See the Sound System Inter-

connection RaneNote).

A red glowing LED indicates that the levels are so high that

distortion due to clipping is occurring or imminent.

Check these conditions:

A. e LEVEL control may be turned too high.

B. e Output of the preceding device may need to be reduced.

C. e Input may be switched to MIC with a line-level source.

Switch the Input to LINE.

STEREO LINE INPUTS 5 through 8 do not have overload

indicators. Because 12 dB of gain is added after the STEREO

LINE INPUT LEVEL controls, it is possible to overload a line

input without an overload indication. e A and B OUTPUT

OL indicators can overload from the Line Inputs if the OUT-

PUT LEVEL controls are set to 10. Although a single Input may

be at unity gain, multiple active Inputs mixed together can cause

an overload. If the OL indicators illuminate, just turn down the

OUTPUT LEVELS until the overload stops—mix ratios will

not change.

STEREO LINE LEVEL INPUTS 5-8

e STEREO LINE INPUT LEVEL controls adjust both

A and B Inputs equally. Use the OUTPUT LEVEL controls

together for overall output adjustment, or separately to control

balance.

A single mono input may be used for the A and/or B inputs.

Any mono source connected to A will go to the A output. Any

mono source connected to the B input will go to the B output.

If you wish one or two mono sources to go to both A and B

outputs, press the MONO switch. If you wish to mono a single

stereo source and have it present in A and B outputs, press the

mono switch. STEREO LINE INPUTS 5-8 may each be inde-

pendently set for mono operation.

HOLE PLUGS

To protect the setting of any rotary control, remove the

knob by simply pulling it oﬀ, and snap in one of the hole plugs

included with your unit.

To protect the entire front panel, use a Rane SC 1.7 Security

cover.

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Rane MLM 82a 2003 version User Manual Page 4

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