JBL SYNTHESIS-DIGITAL ACOUSTIC CALIBRATION SYSTEM, SDEC 1000, SDEC1000A, SDEC 2500, SDEC 2500A User Manual

D

IGITAL

A

COUSTIC

C

ALIBRATION

(DACS)

♦

♦♦

I

NSTALLER'S

S

YSTEM

M

ANUAL

Table of Contents

TABLE OF FIGURES............................................................................................ 5

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NEED HELP? CALL. . . ............................................................................................ 7

SHIPPING TO THE NEXT DEALER............................................................................ 7

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KIT INVENTORY ................................................................................................. 9

HARDWARE ........................................................................................................... 9

CABLES................................................................................................................. 9

IF SOMETHING IS MISSING OR DAMAGED ............................................................... 9

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SPEAKER PLACEMENT RULES .......................................................................... 11

CENTER MAIN....................................................................................................... 11

LEFT AND RIGHT MAINS........................................................................................12

SUBWOOFERS ......................................................................................................12

SURROUND SPEAKERS .........................................................................................12

W

ALL MOUNT

C

EILING MOUNT

.........................................................................................................12

......................................................................................................13

SYSTEM INTERCONNECTION DIAGRAMS .......................................................... 14

AMPLIFIER AND SDEC SWITCH SETTINGS..............................................................18

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RESTORE PROCESSOR DEFAULT SETTINGS..................................................... 19

SPEAKER PHASE TESTS................................................................................... 20

ALTERNATE PHASE TEST METHOD ........................................................................20

Correct Speaker Phase................................................................................................21

S

YNTHESIS ONE

S

YNTHESIS TWO

S

YNTHESIS THREE

Surround Speakers ..................................................................................................... 21

USING THE PHASE TESTER ................................................................................... 22

Cricket-S................................................................................................................... 22

Cricket-R...................................................................................................................22

TEST THE PHASE TESTER.....................................................................................23

Sender Test ............................................................................................................... 23

Receiver Test ............................................................................................................23

Send-Receive Loop Test..............................................................................................23

: ....................................................................................................21

: .................................................................................................21

SOUND CHECK................................................................................................. 24

SYNTHESIS ONE ................................................................................................... 24

SYNTHESIS TWO & THREE ....................................................................................24

Confirm Cinema to Music Mode Change .........................................................................24

USING THE SOUND LEVEL METER .................................................................... 25

ANALOG SLM USE INSTRUCTIONS .........................................................................25

DIGITAL SLM USE INSTRUCTIONS........................................................................... 26

CORRECTING HUM PROBLEMS..........................................................................27

WHAT IS THE ORIGIN OF HUM?............................................................................. 27

DURING INSTALLATION: ....................................................................................... 27

VIDEO DEVICES: .................................................................................................. 28

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INTRODUCTION ................................................................................................29

ABOUT DATA ACQUISITION................................................................................... 29

ABOUT DATA PROCESSING................................................................................... 30

SDEC PROGRAMMING........................................................................................... 30

About Target Curves ...................................................................................................30

CONNECTING DACS4 TO THE SYSTEM .................................................................. 31

BEST LOCATION FOR THE DACS ANALYZER .......................................................... 32

Power Connections .....................................................................................................32

P

OWERING-UP THE

M

ICROPHONE PLACEMENT

DACS4 SOFTWARE OPERATION ............................................................................ 34

Customer Information Window ...................................................................................... 35

S

ELECT SURROUND PROCESSOR

S

ELECT SCREEN COMPENSATION

DACS4 Connection Confirmation Screen ........................................................................37

DACS4 Main Screen Communication Fields .................................................................... 38

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ESPONSE GRAPH

F

ILTER SETTINGS

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RECISION FILTER ADJUSTMENT

C

HANNEL AND MODE SELECTION/STATUS

P

REVIOUSLY TESTED CHANNEL OVERLAY CONTROL

O

NLINE HELP

Function Keys

C

HANNEL GAIN

S

YSTEM STATUS

S T E P - B Y - S T E P C A L I B R A T I O N ................................................................. 43

Auto-Time Correction .................................................................................................. 43

Subwoofer Calibration .................................................................................................44

R

UN A LEVEL TEST

R

UN AUTO

Left-Center-Right Calibration........................................................................................46

S

ET THE LEVEL

A

UTO

Surround Calibration ...................................................................................................47

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ET THE LEVEL

A

UTO

Music Mode Calibration ...............................................................................................47

Quitting DACS4 ..........................................................................................................48

Test Channel-to-Channel Balance .................................................................................48

W

HY USE THE

Quitting Before All Channels Are Accepted...................................................................... 49

-EQ .......................................................................................................45

-EQ..............................................................................................................46

-EQ..............................................................................................................47

DACS S

.........................................................................................33

cccc ................................................................................................39

dddd .................................................................................................39

hhhh ......................................................................................................41

iiii

.........................................................................................42

& D

jjjj ..................................................................................................42

.......................................................................................................46

......................................................................................................47

SLM?................................................................................................48

...........................................................................................42

ELAY

..................................................................................................45

.............................................................................32

YSTEM

.................................................................................36

................................................................................36

eeee ..............................................................................40

ffff ...................................................................40

gggg ...................................................... 41

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INTRODUCTION................................................................................................ 51

GAIN ....................................................................................................................51

Test for Optimum Gain ................................................................................................52

Determine Gain Error - L-C-R and Surrounds .................................................................. 52

Determine Gain Error - Subwoofers ...............................................................................53

SENSITIVITY......................................................................................................... 54

Test for Optimum Sensitivity ........................................................................................ 54

I

F YOU CAN SEE THE

I

F YOU CANNOT SEE THE

MAKING ADJUSTMENTS.........................................................................................57

Using the Gain and Attenuation Switches ....................................................................... 58

S

WITCH MATRIX

I

NCREASING GAIN

R

EDUCING GAIN

R

EDUCING SENSITIVITY

Factory DIP Switch Settings.........................................................................................59

SDEC D

.....................................................................................................58

...................................................................................................58

.....................................................................................................59

URING TEST

SDEC D

............................................................................................59

URING TEST

...................................................................55

..............................................................55

LOADER UTILITY .............................................................................................. 60

WINDOWS™ 3.1X .................................................................................................. 60

WIN 95/98™ .......................................................................................................... 60

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HOOKUP............................................................................................................... 61

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ANALOG EQ/CROSSOVER SYSTEMS ................................................................. 62

SYNTHESIS ONE FACTORY EQ SETTINGS .............................................................. 62

SYNTHESIS ONE CROSSOVER FACTORY SETTINGS................................................63

Cinema Mode ............................................................................................................ 63

LOW OUTPUT MUTE: Off (out) ..................................................................................... 63

Music Mode ..............................................................................................................64

LOW OUTPUT MUTE: OFF (OUT)............................................................................. 64

SYNTHESIS ONE CABLE SPECIFICATIONS.............................................................. 65

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DELOS

TEST CD.............................................................................................. 67

®

Track 36, Continuous Wide-band Frontal Pan .................................................................67

Track 37, Stepped Wide-band Frontal Pan...................................................................... 67

DELOS® DVD SPECTACULAR ............................................................................ 67

Tracks 10-15, Sine Sweep ...........................................................................................67

Track 16, Pink Noise, Continuous Pan (5.1) ...................................................................67

Tracks 2-5, Dolby™ trailers..........................................................................................67

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ABLE OF FIGURES

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F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F

1: S

IGURE

IGURE 4: SYNTHESIS ONE INTERCONNECT WIRING DIAGRAM

IGURE

YNTHESIS TWO AND THREE CONTROL WIRING DIAGRAM

YNTHESIS TWO AND THREE INTERCONNECT WIRING DIAGRAM

2: S

YNTHESIS ONE CONTROL WIRING DIAGRAM

3: S

5: C

OMPONENT SWITCH SETTINGS

7: G

ALAXY AUDIO PHASE TESTER

8: 59: SLM F 10: C 11: D 12: S 13: T 14: DACS4 15: M 16: DACS O 17: C 18: C 19: S 20: S 21: DACS4 ON S 22: DACS4 M 23: R 24: F 25: F 26: D 27: C 28: C 29: F 30: C 31: S 32: F 33: A 34: DACS4 35: L 36: R 37: L 38: A 39: T 40: E 41: SDEC 42: SDEC G 43: B 44: S 45: DACS2 46: S 47: C

DIN

ONTROL LOCATIONS

IGITAL

PATIALLY AVERAGED SYSTEM RESPONSE

YPICAL TARGET CURVE

ICROPHONE PLACEMENT

USTOMER INFORMATION WINDOW

USTOMER INFORMATION

ELECT A SURROUND PROCESSOR

ELECT SCREEN COMPENSATION

ESPONSE GRAPH WINDOW

ILTER SETTING AND CONTROL FIELD

ILTER CONTROL FIELD

IRECT CHANNEL AND MODE ACCESS

HANNEL DISPLAY CONTROL FIELD

ONTINUOUSLY UPDATED ONLINE HELP

UNCTION KEYS

HANNEL GAIN AND DELAY DIALOG BOX

YSTEM STATUS DELAY

RESH INSTALL

UTO-TIME CORRECTION DIALOG BOX

EFT

ESPONSE AFTER AUTO

EFT CINEMA LEVEL SET

UTO

YPICAL SURROUND TARGET

ARLY QUIT WARNINGS

ASIC GAIN/ATTENUATION SETTINGS

WITCH MATRIX

YNTHESIS ONE FACTORY

ABLE DIAGRAMS

TO PHOENIX ADAPTER

ACEPLATE

_____________________________________________________________ 25

_________________________________________________________ 25

SLM _______________________________________________________________ 26

_______________________________________________________ 30

HOOKUP DIAGRAM

_____________________________________________________ 31 _____________________________________________________ 33

PENING SCREEN

______________________________________________________ 34

: S

CREEN WIRING DIAGRAM

AIN SCREEN

________________________________________________________ 38

_______________________________________________________ 40

_____________________________________________________________ 42

_______________________________________________________ 42

, F

IRST SCREEN

READY FOR SUBWOOFER LEVEL TEST

: PRE-EQ

RESPONSE

. R

-EQ ____________________________________________________ 45 ______________________________________________________ 46

EQ [F3]: A

CCEPTS SETTINGS

_______________________________________________________ 49

SENSITIVITY OPTIMIZATION FLOWCHART

AIN SWITCH LOCATOR

_____________________________________________________________ 58

ON SCREEN WIRING DIAGRAM

EQ

_____________________________________________________________ 65

__________________________________________________ 18

.___________________________________________________ 22

_________________________________________________ 24

_______________________________________________ 35

ELECT A SYNTHESIS MODEL

_______________________________________________ 36

________________________________________________ 36

____________________________________________________ 39

______________________________________________ 41

_________________________________________________ 43

: PRE-EQ

IGHT

. _____________________________________________ 46

___________________________________________________ 47

__________________________________________________ 57

______________________________________________ 58

SETTINGS

________________________________________ 16

. _________________________________________ 29

____________________________________________ 37

____________________________________________ 39

_____________________________________________ 40

___________________________________________ 41

___________________________________________ 42

____________________________________________ 43

_____________________________________________ 61

__________________________________________ 62

_______________________________ 14

__________________________ 15

____________________________________ 17

______________________________ 36

_______________________________________ 44

WITH DISPLAY SMOOTHING

______________________________________ 56

___________________ 45

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This document contains reference materials pertaining to the use of the Synthesis Calibration Kits. It is assumed that the reader is experienced in custom home theater installation and has previously received instruction from JBL Synthesis personnel on the use of this equipment.

Safety related information will be highlighted with this symbol

Critical information will be highlighted with this symbol

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Important notes and useful tips will be highlighted with this

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Look here for general information about the calibration kit and this manual.

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Provides information helpful during system installation.

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Look here for pre-calibration routines and tests.

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DACS4 short form user's guide.

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SDEC loader utility, gain and sensitivity control information.

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Analog EQ/Crossover equipped systems are covered here.

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Subjective system performance testing.

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****

N EED H ELP? CALL. . .

If you encounter problems that cannot be resolved using the information presented here, please call your Synthesis Representative for further assistance.

Eric Leicht: 818.830.8705 or 818.259.4189

Chris Neumann: 818.895.5712 or 818.422.1045

Dan Siefert: 805.492.0773

S HIPPING T O T HE NEXT D EALER

By the time you have completed your Client's installation, you should have received a FAX giving detailed shipping instructions. If you have not received this information, please call immediately and request shipping information.

Unless otherwise instructed, always ship via UPS Blue.

****When shipping, always insure kit for $15,000.00

H ARDWARE

(1) Operators Handbook (1) Laptop Computer (1) Phase Tester (transmitter & receiver) (5) Microphones (1) Spare microphone (5) Telescopic Microphone stanchions (5) Stanchion bases (1) MMX-5 Microphone Multiplexer (1) Sound Level Meter (1) External Vector Processor (EVP-1) (1) EVP-1 Power Supply (1) Delos Surround Spectacular Demo & Test disc (1) Delos DVD Spectacular Demo & Test disc (1) Tape Measure

C ABLES

(5) 6’ Microphone extension cables (F-XLR to M-XLR) (1) 25’ Stereo audio cable (RCA to RCA) ( 1 ) 2 5 ’ M M X - 5 t o l a p t o p c a b l e (T707/T707) or (M-DB9 /T707) or (M-DB9 to M-DB9) (1) 25’ Computer to SDEC (M-DB9 to F-DB9) (1) 6’ Computer to EVP-1 (M-DB25 to M-DB25) (1) 6’ Phase tester adapter (F-XLR to RCA) (1) 25’ Instrumentation cable (BNC to BNC) (1) 25’ Adapter cable (BNC to RCA) (1) IEC AC power cord (1) Computer AC power cord (1) Male RCA to two female RCA "Y" adapter

IT INVENTORY

K

I F S OMETHING I S MISSING O R D AMAGED

If the contents of this kit do not match this list, something is damaged, or the case itself is seriously damaged, contact your Synthesis Representative immediately and arrange for replacement.

Eric Leicht: 818.830.8705 or 818.259.4189

Chris Neumann: 818.895.5712 or 818.422.1045

Dan Siefert: 805.492.0773

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PEAKER PLACEMENT RULES

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It is vitally important that any speakers mounted above the floor be properly secured! Safety must come first. Never place speakers on a shelf without an approved retaining mechanism. Never screw eye-loops or other hardware directly into speaker cabinets. Unsecured or improperly secured speakers represent a safety hazard which can result in serious injury.

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The installation of any home theater system represents a balancing of aesthetic and functional requirements which frequently are at odds with each other. The following information should be used to optimize the placement of the speakers and achieve the best results while still conforming to the architectural limitations inherent in the installation.

C ENTER M AIN

1. If the speaker is behind a perforated screen, place it as far forward as possible, nearly

touching the screen.

2. If it is above or below the screen, it must be placed as close as possible to the edge of the

screen, along the same plane as the screen.

3. If it is on a shelf, in a pre-fabricated hole in the wall or in a cabinet opening, place it as far

forward as possible.

3.1. Any gap around the speaker must be filled. If the gap is ½" closed-cell foam can be used. For gaps greater than ½" it is recommended that you "frame" the speaker with ≈ ¾" MDF, plywood or other solid panel material.

4. Do not allow anything to obstruct the baffle area of the speakers.

4.1. If decorative cloth is placed in front of the speakers, be sure the frame for the cloth does not obstruct the front of the speaker.

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L EFT AND R IGHT M AINS

1. If the speaker is on a shelf, in a pre-fabricated hole in the wall or in a cabinet opening, place it as far forward as possible.

1.1. Any gap around the speaker must be filled. If the gap is ½" closed-cell foam can be used. For gaps greater than ½" it is recommended that you "frame" the speaker with ≈ ¾" MDF, plywood or other solid panel material.

2. Do not allow anything to obstruct the baffle area of the speakers.

2.1. If decorative cloth is placed in front of the speakers, be sure the frame for the cloth does not obstruct the front of the speaker.

S UBWOOFERS

1. In nearly all cases, the best location for subwoofers is on the floor, in the front corners of the room. Place them with the woofers facing the listening area.

1.1. If the subwoofers cannot be placed in the corners, the next best position is on the floor, against the front wall. In this instance, better low frequency coupling may be achieved by turning the subwoofers sideways such that the drivers and ports are next to the front wall.

2. If the subwoofers are placed in a pre-fabricated hole in the wall or in a cabinet opening, place them as far forward (toward the opening) as possible.

2.1. Any gap around the subwoofer must be filled. If the gap is ½" closed-cell foam can be used. For gaps greater than ½" it is recommended that you "frame" the speaker with ≈ ¾" MDF, plywood or other solid panel material.

2.2.

2.3. If decorative cloth is placed in front of the speakers, be sure the frame for the cloth does not obstruct the driver or ports of the subwoofers.

Do not allow anything to obstruct the driver or ports of any speakers.

S URROUND S PEAKERS

Wall Mount

1. Side surround speakers are to be mounted vertically and placed directly at the sides of the listening area.

2. Rear surround speakers are to be mounted vertically and placed on the rear wall of the listening area.

3. The bottom edge of all surround speakers must be at least 24" above ear level.

3.1. Avoid elevating surround speakers more than 48" above ear level.

4. If the speaker is on a shelf, minimize the width and depth of the shelf as much as possible.

4.1. Place them against the wall.

5. If they are placed in a pre-fabricated hole in the wall or cabinet opening, it must exceed the speaker width by no less than 24".

5.1. Center the speaker in the opening.

5.2. Any open area behind the speaker must be filled to minimize acoustic resonances.

6.

Do not allow anything to obstruct the drivers.

6.1. If decorative cloth is placed in front of the speakers, be sure the frame for the cloth does not obstruct the drivers.

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Ceiling Mount

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TAKE NO CHANCES!

The mounting hardware provided with Synthesis surround speakers

IS NOT

suitable for ceiling installation. Improperly suspended speakers represent

a serious safety hazard which can result in injury or death.

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1. Side surround speakers are to be mounted with the top of the enclosure facing the center of the room, as near to the adjacent wall as possible.

2. Rear surround speakers are to be mounted with the top of the enclosure facing the video display screen, as near to the adjacent wall as possible.

3. If they are placed in a pre-fabricated hole or cutout in the ceiling, it must exceed the speaker width by no less than 24".

3.1. Center the speaker in the opening.

3.2. Any open area behind the speaker must be filled to minimize acoustic resonances.

4.

Do not allow anything to obstruct the drivers.

4.1. If decorative cloth is placed in front of the speakers, be sure the frame for the cloth does not obstruct the drivers.

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YSTEM INTERCONNECTION DIAGRAMS

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Figure 2:

Synthesis Two and Three Control Wiring Diagram

3

Figure 3:

Synthesis Two and Three Interconnect Wiring Diagram

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Figure 4:

Synthesis One Control Wiring Diagram

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Figure 5:

Synthesis One Interconnect Wiring Diagram

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MPLIFIER AND SDEC SWITCH S ETTINGS

A

Figure 6: Component Switch Settings

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ESTORE PROCESSOR DEFAULT SETTINGS

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This is applicable to all Synthesis models equipped with an SDP-2, SDP-2D or SDP-3

****

processor.

It is recommended that you restore the Surround Processor to the factory default settings prior to system calibration. This will ensure that you do not waste time later troubleshooting an apparent problem, only to find that the Processor settings were the cause.

1. Use the remote control to turn the processor OFF.

2. Use the remote to turn the processor back ON.

3. Immediately press and hold the MUTE button on the remote control.

4. In a few seconds, the "FACTORY PRESETS MENU" will appear on the Processor's readout.

5. Release the MUTE button.

6. Scroll to and select "RESTORE DEFAULTS".

7. When the message "FACTORY DEFAULTS RESTORED" is displayed press DONE to return

to normal operation.

Alternatively, you can adjust each setting manually. They should be set as follows:

A. Volume Control: 0dB B. Speaker Configuration:

LEFT - CENTER – RIGHT: Small, 80Hz high-pass

LEFT & RIGHT SIDE: Small dipole, 80Hz high-pass. BASS SPLIT: 80Hz REARS: None

SUBWOOFER: Yes, Crossover = 80Hz.

C. All outputs levels set to 0.0dB D. SUBWOOFER PEAK LIMITER: OFF E. EQUALIZATION. . .

BASS: 0dB

TREBLE: 0dB

TILT: 0dB

LOUDNESS: OFF

F. LISTENER POSITION: 3’ G. PRO-LOGIC. . .

AUTO AZIMUTH: OFF

DIALOGUE ENHANCE: 0dB EFFECT LEVEL: 0dB SUBWOOFER LEVEL: 0dB

SURROUND LEVEL: 0dB H. STEREO BYPASS. . .

SUBWOOFER LEVEL: 0dB

N

3

-

P

-

P

R

E

-

C

A

L

I

B

R

A

-

C

A

L

I

B

R

A

T

N

O

N

I

O

I

3