Crest audio LM OWNER'S MANUAL

CENTURY SERIES

LM

OWNER'S MANUAL

Congratulations on your purchase of a Century Series console. All of us at Crest Audio in Paramus, New Jersey, USA, support your decision, knowing your console contains the finest combination of design and manufacture in the industry.

While your new Century Series console is one of the most feature-packed available, great effort has been put into making it simple to operate.

This manual explains the functions of your new console, how they operate and how they relate to each other. If properly cared for, your new console will provide you with trouble-free, sonically accurate mixing clear into the next Century and beyond.

Please keep the following contact information on hand:

Crest Audio Customer Service Dept.

100 Eisenhower Drive

Paramus NJ 07652 USA

TEL [phone] FAX [phone] http://www.crestaudio.com

Crest Audio Inc.

100 Eisenhower Dr., Paramus NJ 07652 USA

TEL: [phone] FAX: [phone]

http://www.crestaudio.com

Printed in USA

TABLE OF CONTENTS

LM Feature Overview		2
	A brief description of the LM design, features and functions.
LM System Connections		3
	Contains diagrams illustrating conventional system connections.
LM Wiring Conventions		5
	Contains diagrams indicating how connectors for Crest consoles are wired.
LM Power Supply		6
	A description of the rack-mountable Century Series consoles power supply.
LM
	Power Connections	7
	A description of Crest console power connections.
LM
	Console Cooling	7
	A brief description of the dual-fan cooling setup.
LM LM-12 Input Module		8
	Profiles the LM-12 input module. The module is illustrated and described.
LM	LM-20 (LM-8+4) Input Module	10
	Profiles the LM-20 (LM-8+4) input module. The module is illustrated and described.
LM	LM-12 Output Module	13
	Profiles the LM-12 ouput module. The module is illustrated and described.
LM	LM 8+4 Output Module	15
	Profiles the LM-8+4 output module. The module is illustrated and described.
LM	LM-20 Output Module	17
	Profiles the LM-20 ouput module. The module is illustrated and described.
LM	Master Module A	19
	Profiles the LM A-Master module. The module is illustrated and described.
LM	Master Module B	21
	Profiles the LM B-Master module. The module is illustrated and described.
LM	Technical Information	Appendix A
	Includes dimensions, specifications, console access details,
	user options, console block diagram, and rear panel layout.
LM Glossary		Appendix B
	The specific details of console operation are described here, alphabetically.
LM
	Schematics	Appendix C
	This appendix lists available LM console & power supply schematics.

PAGE 1

LM	CENTURY SERIES

Feature Overview

The Century Series was designed to have all the features and functions demanded by the modern music professional. The engineers at Crest Audio have delivered the finest combination of function and sonic accuracy in an affordable intuitive console. The features listed below are common to all Century Series LM Consoles.

•SSM/PMI High quality devices on balanced microphone/line inputs and on all outputs for uncompromised audio quality and reliability. All IC’s within the audio path are socket mounted for easy upgrade or service.

•The signal path is completely free of electrolytic capacitors and all internal audio connections are gold plated.

•Passive microphone splitters on every microphone input.

•48 Volt switchable phantom power on all microphone inputs.

•Optional transformers available on all microphone inputs and primary outputs.

•Dynamic Signal Present and multiple-sample- point Peak indicator LED’s are used on all input sections of the console as well as on all primary outputs.

•Mono/Stereo PFL system. When a stereo module is used, the signal is monitored in stereo while mono modules are monitored in mono.

•Standard frame sizes include 32, 40, 44, 52 and 64 module positions. Any frame size may be ordered short loaded for later expansion.

•The three banks of four rotary send controls each have an associated Pre switch. This switch can be internally selected to operate as pre EQ or pre Fader; this selection applies to all three Pre switches on the module.

•Each of the twelve send controls can be internally selected to operate in one of three modes: follow its associated Pre switch, always Pre or always Post.

•Mute system on input channels is designed to mute both pre and post fader signals. When muted, PFL circuitry and, Peak and Dynamic Signal Present LED indicators remain fully operational. This is a feature not available on many consoles at any cost.

•Four scene (A-D) mute system

•The EQ section includes an EQ IN switch with LED and a 100Hz High Pass filter switch. The EQ itself offers four bands (LF-40-800Hz, LMF-100Hz-2kHz, HMF-400Hz-8kHz, HF- 1.5k-20kHz) that are sweepable, providing full frequency control with generous overlap. The high and low frequency bands are selectable between Peaking and Shelving via internal jumpers.

•Each LM output Module (except those in the master module) has a ten-segment LED array, three-band sweepable EQ, EQ-In switch, variable high-pass filter, polarity reverse, Insert switch, Talkback enable, Dim, Peak & dynamic Signal Present LEDs, local Mute and PFL.

•Return level controls provide signal from Returns 1 and 2 found on the Master section. The Sub Input controls deliver signal from outputs 11 and 12 which are selectable pre or post fader. This feature allows mixes 11 and 12 to be cross-mixed to all other outputs.

•Comprehensive Talkback section allows access to all primary console outputs. External signals can also be assigned into the talkback system.

•The basis of every Century console is signal integrity.

From the input preamplifier's impressive EIN of -129 dBu, to completely balanced primary busing, the Century LM delivers one of the cleanest signals available at any cost. This signal purity comes from using only the highest quality components in its innovative design. All inputs and outputs are electronically balanced, the primary inputs and outputs have the option of transformer isolation.

•UL/CE-approved external power supply over-designed with ample current reserves. For the ultimate in fail-safe reliability, a back-up power supply can be linked to the primary supply with only an inexpensive jumper cable. External switching is not needed.

PAGE 2

CENTURY SERIES LM

LIVE MONITOR CONSOLE

System Connections

The console is the nerve center of a sound system and controls most of the variables within a system. Proper connection and component relationships are vital to assure accurate operation and results. The following diagrams illustrate conventional system connections.

In

Signal Processors

Out

Insert Send/Return Connection

Front of House

Console

DIR OUT	DIR OUT	DIR OUT	DIR OUT	From
INSERT SEND	INSERT SEND	INSERT SEND	INSERT SEND	Stage
BAL INSERT RTN BAL INSERT RTN BAL INSERT RTN BAL INSERT RTN				Microphones
BAL LINE IN	BAL LINE IN	BAL LINE IN	BAL LINE IN
BAL MIC IN	BAL MIC IN	BAL MIC IN	BAL MIC IN

Microphone Splitting

PAGE 3

LM								CENTURY SERIES

		Clip/Limit	6001 Professional Power Amplifier
		Signal
		Temp/DC
	-6	Active	-6
-10
	-3	-10	-3
-15		-15
-30	-1	-30	-1
-80	0dB	-80	0dB
	Ch A		Ch B
		Clip/Limit	6001 Professional Power Amplifier
		Signal
		Temp/DC
	-6	Active	-6
-10	-3	-10	-3
-15		-15
-30	-1	-30	-1
-80	0dB	-80	0dB
	Ch A		Ch B

Floor Wedge Connection

Receivers for

In-Ear Monitors

Transmitters for

In-Ear Monitors

Stereo In-Ear Monitor Connection

PAGE 4

CENTURY SERIES

LM

Wiring Conventions

Since the same connectors are used throughout the professional audio industry, it is important to know how the connectors for Crest’s Century Series are wired. The wiring is as follows.

INPUT XLR

OUTPUT XLR

1

3

2

PIN 1

PIN 3

PIN 2

PIN 1 = GROUND

PIN 2 = POSITIVE

PIN 3 = NEGATIVE

PIN 2

PIN 3

PIN 1

TIP - POSITIVE

RING - NEGATIVE

SLEEVE - GROUND

			INPUT
		Input Plug Polarities
		TIP - POSITIVE						TIP - SEND
		RING - NEGATIVE						RING - RETURN
		SLEEVE - GROUND						SLEEVE - GROUND
	OUTPUT					INSERT
Output Plug Polarities
					Insert send & Insert return Polarities

PAGE 5

LM	CENTURY SERIES

Power Supply

Century Series Consoles use a separate rack-mountable power supply which provides the specific voltages used by each console. Century Consoles make use of two different power supplies. The model and frame size of your particular console determines which of the two supplies should be used.

Model	Supply Model XCVA04	Supply Model XCVA06
LM	Frame Size 24,32	Frame Size 40,44,52,64

Press to Reset

ON	+20V	+48V	4A
C O N S O L E S
Power Supply	-20V	+24V

POWER OUT

2 1
5 4 3
7 6
Pin 1 +24V
Pin 2 +20V
Pin 3	Analog	POWER OUT
Pin 4	Analog
Pin 5 Digital
Pin 6	+48V
Pin 7	-20V

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

AVIS : RISQUE DE CHOC ÉLECTRIQUE—NE PAS OUVRIR

WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT

EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

ATTENTION! POUR ÉVITER LE RISQUE D'INCENDIE OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL SOUS LA PLUIE OU Á L'HUMIDITÉ

Designed & manufactured in the USA by:

A division of Crest Audio Inc. 100 Eisenhower Dr.

Paramus, New Jersey 07652 USA

CONSOLE	CHASSIS
G RO U ND	GROUND

Model XCVA04

± 20V @ 4

+24V @ 4

+48V @ 1

+24VS/N@ 6

± 20V @ 6

Model XCVA06

MAXIMUM AC IN: XCVA04: 415 WATTS XCVA06: 825 WATTS

Supply Identification

Twin Supply Operation

The type of power supply can be identified by the model num-

When twin supplies are in use for automatic back-up, then the

ber shown on the back of the chassis and panel label.

ground links on both supplies should be fitted. In a situation

Power Requirements

where the safety ground to the console chassis has been con-

nected and the ground path via the power supply is causing a

The Century Series power supplies have certain electrical

hum-loop, then disconnect the ground links on BOTH power

requirements to operate properly. If possible the power supply

supplies.

should be connected to a dedicated circuit. Should any other

Console and Power Supply Grounding

appliance on the same circuit draw enough current to overload

the circuit, the breaker or fuse will trip causing loss of power

Console chassis ground is electrically connected to audio

to the console. Note the maximum current draw specifications

ground, pin 1 of XLR connectors and 1/4" sockets and to the

at right. Be sure that the circuit to which you connect the sup-

terminal ‘CONSOLE GROUND’ at the rear of the power sup-

ply can handle the draw.

ply. The AC third wire connection in the power supply cable

The power switch on the supply front panel is also a circuit

connects the metal chassis of the power supply to safety

breaker, there is no power fuse. Should the supply ever shut

ground. This connection should never be disturbed. Hazardous

down, or trip at start up, simply push the switch to the off posi-

voltages exist inside the power supply which require the case

tion and then on again.

to be grounded. When rack-mounted, the power supply ground

Ground Linking

may transfer to the rack case thru the front fixing screws,

Safety Considerations - Each new power supply is shipped

though this connection is not reliable. When a console is con-

with the AC third wire ground connected to the console chassis

figured within a complete sound system the grounding require-

ground. The connection is made at the rear of the power supply

ments may call for the ground link to be disconnected. This is

unit. This is necessary for safety reasons so that exposed metal

permissible only when an alternative ground path has been

parts are grounded. In the event of a live conductor making

provided. If in doubt seek the

Model XCPS-40

contact with the console chassis or the power supply chassis

advice of an experienced elec-

S/N

±20V @ 4

then the current will flow to ground without a safety hazard

trical engineer.

+24V @ 4

arising. Note that when the console is disconnected from the

+48V @ 1A

power supply the chassis ground connection to AC third wire

+24V @ 6A

±20V @ 6A

ground is broken and safety protection is lost. For uninterrupt-

Model XCVA06

ible grounding, in a fixed installation for example, make a con-

nection directly to the console chassis from the safety ground.

Power Supply Model

Max Current Draw 120V/230V

Disconnect the ground link on the rear of the power supply.

XCVA04

7A/4A

This disconnects console ground from power supply AC third

XCVA06

9A/5A

wire ground which would otherwise create a hum-loop.

PAGE 6

CENTURY SERIES

LM

Power Connections

The connections to and from the power supply vary depending on your specific configuration. Multiple power supplies can be daisy-chained to provide fail-safe protection in the event of a supply failure. When two or more supplies are used, they may be connected to the same mains voltage since only one of the supplies will actually be feeding the console at any given time.

The connectors on the power supply are “smart” so that either one can be used as the console or interface connection.

To Console

		POWER OUT
2 1
5 4 3
7	6
Pin 1 +24V
Pin 2 +20V
Pin 3	Analog	POWER OUT
Pin 4	Analog
Pin 5 Digital
Pin 6 +48V
Pin 7	-20V

Interface Cable

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

AVIS : RISQUE DE CHOC ÉLECTRIQUE—NE PAS OUVRIR

WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT

EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

ATTENTION! POUR ÉVITER LE RISQUE D'INCENDIE OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL SOUS LA PLUIE OU Á L'HUMIDITÉ

Designed & manufactured in the USA by:

A division of Crest Audio Inc. 100 Eisenhower Dr.

Paramus, New Jersey 07652 USA

CONSOLE CHASSIS

GROUND GROUND

Model XCVA04

± S/N

20V @ 4

+24V @ 4

+48V @ 1

+24V @ 6

± 20V @ 6

Model XCVA06

MAXIMUM AC IN: XCVA04: 415 WATTS XCVA06: 825 WATTS

To AC Mains

		POWER OUT
2 1
5 4 3
7	6
Pin 1 +24V
Pin 2 +20V
Pin 3	Analog	POWER OUT
Pin 4	Analog
Pin 5 Digital
Pin 6 +48V
Pin 7	-20V

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

AVIS : RISQUE DE CHOC ÉLECTRIQUE—NE PAS OUVRIR

WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT

EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE.

ATTENTION! POUR ÉVITER LE RISQUE D'INCENDIE OU DE CHOC ÉLECTRIQUE, NE PLACEZ PAS CET APPAREIL SOUS LA PLUIE OU Á L'HUMIDITÉ

Designed & manufactured in the USA by:

A division of Crest Audio Inc. 100 Eisenhower Dr.

Paramus, New Jersey 07652 USA

CONSOLE	CHASSIS
G R O U N D	GROUND

Model XCVA04

± S/N

20V @ 4

+24V @ 4

+48V @ 1

+24V @ 6

± 20V @ 6

Model XCVA06

MAXIMUM AC IN: XCVA04: 415 WATTS XCVA06: 825 WATTS

To AC Mains

Console Cooling

A cooling fan configuration is included in all LM consoles except the LM-12 and the 32-chassis space LM Dual/Stereo models. Two fans (one at each end of the console) draw air in through the sides of the chassis (under the sidebars). Air is distributed through the chassis via a “vortex pan”, then proceeds up through the console modules, where the heated air exits the console chassis.

Once the console is powered up, cooling fans remain on. A rear panel switch permits the fans to be set at low, medium or high speeds.

There are no filters to change or clean. As with any console, use in dusty/unclean environments should be avoided.

PAGE 7

LM									CENTURY SERIES
				3		7			LM-12 INPUT MODULE
				2		8
		+48V		1		9			The LM-12 input module is the primary input control for the LM-
				0		10
				4	5	6	4		12 monitor console. It differs from the LM-20 input module only
				3		7
		LINE							in the mix send section.
				2		8
				1		9
		PAD		0		10			48V Phantom Power Switch
	20	GAIN				PRE			Turns on 48V Phantom Power as required by certain microphones
		30
							5		for proper operation.
10				4	5	6
				3		7
6		60		2		8			LINE Switch
		100		1		9
				0		10			Selects between the Balanced XLR Microphone Input connector
		ø		4	5	6	6
									and the Balanced Line Input 1/4" TRS connector.
				3		7
				2		8
4		HF		1		9			PAD Switch
				0		10
3		10			5		7		Introduces a -15 dB cut to the mic input signal.
				4		6
				3		7
2K		20K		2		8			GAIN Control
1.5		3 HM		1		9
		6		0	5	10	8		Adjusts input gain for proper signal level.
1K				4		6
				3		7			100Hz High Pass Switch
400		8K		2		8
400		LM		1		9			Reduces all low frequency content at a 12db per octave rate refer-
				0		10
		1
250									enced to 100Hz (-3db point).
						PRE
100		2K		3	5	7	9		Polarity Reverse Switch
150		3 LF
				4		6
100		6		2		8			Inverts the polarity of both the microphone and line inputs.
				1		9
				0		10			Four-Band Sweep Equalizer Controls
40		800		4	5	6	10
				3		7			There are two knobs for each of the four bands. The inner knob
				2		8
		EQ IN		1		9			controls the boost or cut; while the outer knob controls the center
				0		10
				4	5	6	11		frequency. These center frequencies are printed on the chassis
	PRE			3		7
									around the outer knob.
				2		8		DIR OUT
4	5	6	1	1		9
				0	5	10	12		EQ IN Switch
2		8		4		6
3		7
1		9		3		7			Inserts the EQ section into the input channel signal. An associated
				2		8
0		10		1		9		INSRT SND	LED illuminates when the switch is down.
	5		2
4		6		0		10
3		7							PRE Switch 1-4
2		8				MUTE
1		9							Toggles mix sends 1-4 between Post and the internally selected
0		10
4	5	6	3					BAL INSRT RTN	Pre state.
3		7				PFL
2		8							Mix Sends 1-4
1		9		PEAK
0		10		SIG				BAL LINE IN
4	5	6	4						Adjusts signal level sent to output mixes 1-4
3		7
2		8							PRE Switch 5-8
1		9
0		10							Toggles mix sends 5-8 between Post and the internally selected
	PRE							LIFT	Pre state.
								PIN 1
	5		5				0		Mix Sends 5-8
3		6						BAL MIC IN
		7
4				A
2		8		B					Adjusts signal level sent to output mixes 5-8
1		9					5
0		10		C					PRE Switch 9-12
4	5	6	6
3		7		D			10	BAL MIC OUT	Toggles mix sends 9-12 between Post and the internally selected
2		8
1		9							Pre state.
0		10
4	5	6	7	SAFE			20		Mix Sends 9-12
3		7
2		8		MUTE					Adjusts signal level sent to output mixes 9-12
1		9
				SCENE
0		10		SELECT			30
									MUTE Switch with LED
3	5	7	8
4		6					40
									Mutes the channel and all sends except the insert send. This
2		8
1		9							switch does not affect the PFL switch or the Peak and Signal
0		10
	PRE								Present LED indicators, The LED illuminates when the channel is
									muted either from the local mute switch or the scene mute system.
	5		9
4		6
3		7
2		8
PAGE 8

CENTURY SERIES

LM

PFL Switch

Samples the channel’s signal pre-fader and allows for monitoring within the master section of the console. This signal is not affected by the Mute Switch. When depressed, the signal level can be seen on the output 12 meter, and heard via the mixer’s headphone or local monitor output. When this PFL Switch is depressed, the channel PEAK LED indicator illuminates at a lower intensity. When used as a status indicator of switch position, the Peak LED indicating circuit remains fully operational by illuminating at a much higher intensity than when indicating PFL status.

PEAK LED Indicator

Illuminates RED when any of the points monitored come within 3db of the clipping point. Signal is sampled after the input preamplifier stage, after the EQ section, and after the fader.

This LED also serves as a PFL ON indicator, but at a much lower intensity than when it is used to indicate clipping.

SIGNAL PRESENT LED

This green LED constantly displays level activity of the input channel by varying in intensity.

100mm Fader

Used for control of all outputs of the channel except those sends selected pre fader. (The Insert Output level is not affected by the fader position.)

Rear Panel Connections

Direct Out

This 1/4-inch TRS jack carries the direct output signal (post fader & post mute) from the associated input channel.

Insert Send

This 1/4-inch TRS jack carries the send signal of the insert loop to the external effect or signal processor.

Balanced Insert Return

This 1/4-inch TRS jack accepts the return signal of the insert loop from the external effect or signal processor back into the console.

Balanced Line In

This 1/4-inch TRS jack accepts balanced and unbalanced line level inputs and delivers it into the associated input channel.

Lift Pin 1

This ground lift switch may be used to isolate pin1 of the mic XLR from console ground.

Unpressed = pin 1 grounded

Pressed = pin 1 lifted

Balanced Mic In

This XLR connector accepts balanced microphone inputs for the associated input channel.

Scene Mute Assignments

Assign the input channel to any of the four scene mute groups. Scene mute combines with the module’s local mute button, and actuates the local mute LED.

Scene Mute Safe Switch

Disables any selected scene mute assignments. An associated green LED indicates that the channel is in a safe state.

Balanced Mic Out

This XLR connector is in parallel with the Balanced Mic In connector and allows easy connection of the monitor board to the FOH console.

PAGE 9

LM									CENTURY SERIES
							7		LM-20 (LM-8+4) INPUT MODULE
				2			8
							9		This module serves as the input module for LM-20 and the now-
		+48V		4	5	6	4
									discontinued LM-8+4. The only difference between the two is
		LINE		3			7
				2			8		the factory default settings on the dual concentric sends.For the
		PAD		1			9		LM-20 the sends are set for level/level operation. For an LM-
				0		10
	20	GAIN				PRE			8+4 the sends are set for level/pan operation.
		30		3			7		48V Phantom Power Switch
10				4	5	6	5
6		60		2			8		Turns on 48V Phantom Power as required by certain micro-
				1			9		phones for proper operation.
		100		0		10
		ø		4	5	6	6		LINE Switch
				3			7
				2			8
									Selects between the Balanced XLR Microphone Input connector
4		HF		1			9
				0		10			and the Balanced Line Input 1/4" TRS connector.
3		10			5		7
				4		6
				3			7		PAD Switch
2K		20K		2			8
							9
1.5		3 HM		1					Introduces a -15 dB cut to the mic input signal.
				0		10
1K		6		4	5	6	8		GAIN Control
				3			7
400		8K		2			8
							9		Adjusts input gain for proper signal level.
400		LM		1
		1		0		10
250									100Hz High Pass Switch
						PRE
100		2K			5		9		Reduces all low frequency content at a 12db per octave rate ref-
150		3 LF		4		6
				3			7		erenced to 100Hz (-3db point).
100		6		2			8
				1			9
40		800							Polarity Reverse Switch
				0		10
				4	5	6	10		Inverts the polarity of both the microphone and line inputs.
				3			7
				2			8
		EQ IN		1			9		Four-Band Sweep Equalizer Controls
				0		10
				4	5	6	11		There are two knobs for each of the four bands. The inner knob
	PRE			3			7
				2			8	DIR OUT	controls the boost or cut; while the outer knob controls the cen-
				1			9
4	5	6	1	0		10			ter frequency. These center frequencies are printed on the chas-
3		7		4	5	6	12
2		8							sis around the outer knob.
				3			7
1		9		2			8
0	5	10	2	1			9	INSRT SND	EQ IN Switch
4		6		0		10
3		7				MUTE			Inserts the EQ section into the input channel signal. An associat-
2		8
1		9							ed LED illuminates when the switch is down.
0		10
4	5	6	3					BAL INSRT RTN	PRE Switch 1-4
						PFL
3		7
2		8		PEAK					Toggles mix sends 1-4 between Post and the internally selected
1		9
0		10		SIG					Pre state.
4	5	6	4					BAL LINE IN
3		7							Mix Sends 1-4
2		8
1		9							Adjusts signal level sent to stereo output mixes 1-4 or mono
0		10
	PRE							LIFT	mixes 1a through 4b.
								PIN 1	PRE Switch 5-8
							0
			5
4	5	6		A				BAL MIC IN
3		7							Toggles mix sends 5-8 between Post and the internally selected
2		8		B
							5		Pre state.
1		9
0		10		C
3	5	7	6				10	BAL MIC OUT	Mix Sends 5-8
4		6		D
2		8							Adjusts signal level sent to stereo output mixes 5-8 or mono
1		9
									mixes 5a through 8b.
0		10
4	5	6	7	SAFE			20
3		7							PRE Switch 9-12
2		8		SCENE
1		9		MUTE			30		Toggles mix sends 9-12 between Post and the internally selected
0		10		SELECT
4	5	6	8				40		Pre state.
3		7
2		8							Mix Sends 9-12
1		9
0		10							Adjusts signal level sent to stereo output mixes 9-12 or mono
	PRE								mixes 9a through 12b.
4	5	6	9
3		7
2		8
1		9
PAGE 10