Peavey CEQ 28R Bedienungsanleitung

Andere Handbücher für CEQ 28R

3

Inhaltsverzeichnis

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OPERATING

INSTRUCTIONS

CEQ

28R

INTRODUCTION

1.

DESCRIPTION

Thank

you

for

purchasing

the

Peavey

Architectural

Acoustics

CEQ™

28R.

If

you

are

not

yet

familiar

with

the

operation

of

the

Peavey

Architectural

Acoustics

CEQ"

28,

we

recommend

that

you

take

a

few

minutes

to

read

the

CEQ

28

manual

and

familiarize

yourself

with

its

operation

before

proceeding

with

this

manual.

The

CEQ

2BR

is

a

28

band,

1/3

octave

graphic

equalizer

that

isa

companion

to

the

CEQ

28.

It

can

be

used

asa

slave

equalizer

that

tracks

EQ

changes

made

on

the

CEQ

28

or

as

an

independent

equalizer

that

is

remotely

controlled

from

the

CEQ

28.

When

the

CEQ

28R

is

used

as

a

remote

expander,

the

CEQ

28

front

panel

controls

and

display

are

used

to

control

the

CEQ

28R

so

that

it

operates

just

like

the

CEQ

28.

By

adding

CEQ

28Rs,

up

to

16

channels

of

audio

can

be

individually

equalized

from

one

CEQ

28.

Once

curves

are

loaded

or

created

in

the

CEQ

28R,

the

CEQ

28

can

be

removed

so

that

the

EQ

curve

you

have

carefully

created

cannot

be

altered.

However,

any

of

the

128

stored

curves

can

be

recalled

via

MIDI

program

change

commands

(if

enabled),

or

the

CEQ

28R

can

be

set

to

a

mode

that

allows

one

of

2,

4,

or8

presets

to

be

recalled

from

the

front

panei.

2.

FEATURES

e

28-Band

graphic

equalizer

on

1/3

octave

centers

e

26-Band

constant

Q

filters

e

Top

and

bottom

bands

(32

Hz

and

16

kHz)

are

shelving

filters

e

MIDI

controllable

sliders,

*/-

12

dB

in

1

dB

steps,

or

*/-6

dB

in

0.5

dB

steps

128

Complete

EQ

curve

memories

Curves

may

be

added

Multi-function

display

Turn

On/Off

transient

muting

Compact

1

I.U.

rack-mount

configuration

FRONT

PANEL

AREUITECTURAL

CEQ"

28R

1.

7-segment

display

2.

Select

button

The

Select

button

and

display

can

be

set

for

5

different

display

and

control

modes

for

selecting

the

MIDI

channel

or

recalling

EQ

curves.

Il.

FRONT

PANEL

DISPLAY

AND

CONTROL

OPTIONS

1.

DISPLAY

MODES

There

are

five

different

front

panel

display

and

control

modes.

(The

CEQ

28R

is

shipped

from

the

factory

in

Mode

1)

MODE

1:

The

front

panel

7

segment

display

indicates

the

CEQ

28R's

MIDI

listening

channel.

The

decimal

point

lights

to

indicate

when

the

CEQ

28R

is

in

OMNI

mode.

The

Select

button

is

used

to

change

the

MIDI

channel.

MODE

2:

The

display

functions

the

same

as

Mode

1,

but

the

Select

button

is

disabled.

o

B

EE

COMPUTER

CON

'ROLLED

EQUALIZER

um

REMOTE

LINIT

.

SERES

US

MID!

PROGRAMMABLE

easy

|]

MADE

GN

USA

3.

Power

ON/OFF

4.

Equalizer

Bypass

MODES

3,

4,

&

5:

In

modes

3,

4,

and

5,

the

MIDI

channel

is

displayed

and

can

be

changed

the

first

3

seconds

after

the

CEQ

28R

is

turned

on.

Theselect

button

can

then

be

used

to

recall

one

of

the

available

preset

curves

and

the

number

of

the

curve

is

displayed.

MODE

3:

Preset

curve

1

or

2

can

be

recalled.

MODE

4:

Preset

curve

1,

2,

3,

or

4

can

be

recalled.

MODE

5:

Preset

curve

1,

2,

3,...

7,

or

8

can

be

recalled.

2.

CHANGING

THE

DISPLAY

MODE

To

change

operating

mode:

1.

Turn

off

the

power

switch

and

disconnect

the

power

cord.

2.

Remove

the

7

screws

that

secure

the

top.

3.

Locate

the

header

and

jumper

as

shown

in

the

diagram

below.

4.

Plug

the

jumper

into

the

header

in

the

position

that

corresponds

with

desired

mode.

5.

Replace

the

7

screws

that

secure

the

top.

Figure

2

3.

MIDI

CHANNEL

DISPLAY

MIDI

channels

1

through

16

can

be

selected

as

de-

scribed

above

and

will

appear

on

the

display

as:

CHANNEL

DISPLAY

CHANNEL

DISPLAY

1

-

1

9.

«^9

2

-

2

JU:

-

A

3

-

3

11

-

b

4

-

4

12

-

C

5

-

5

1.

-

d

6

-

s

14

-

EÈ

fe

os

15

-

F

8

-

8

16

-

g

The

decimal

point,

when

lit,

indicates

that

OMNI

receive

mode

is

on.

-

OMNI

receive

mode

only

applies

to

the

receipt

of

MID!

program

change

and

controller

change

commands.

System

exclusive

messages

are

still

only

received

on

the

selected

channel.

*

<--

4.

TO

SELECT

A

NEW

MIDI

CHANNEL

Press

and

hold

the

select

button

until

the

desired

channel

appears

in

the

display.

You

must

be

either

in

mode

1

or

press

the

button

during

the

first

3

seconds

after

turning

the

power

on

if

in

modes

3,

4,

or

5.

There

is

along

delay

before

the

display

actually

starts

changing

to

prevent

the

channel

from

accidently

being

changed,

so

be

patient.

The

channel

number

increases

in

sequence

"1"

through

“g”

first

with

OMNI

mode

off,

then

again

with

OMNI

mode

on.

5.

EQUALIZER

BYPASS

The

CEQ

28R

equalizer

can

be

bypassed

by

pressing

the

bypass

switch

located

below

the

power

switch

on

the

front

panel.

When

the

equalizer

is

bypassed,

the

center

bar

of

the

display

lights

as

shown

below:

When

the

equalizer

is

bypassed,

the

subsonic

filter

remains

in

the

circuit

to

protect

the

speaker

system.

6.

MIDI

ACTIVITY

Whenever

a

valid

MIDI

message

is

received

by

the

CEQ

28R,

the

display

indicates

MIDI

activity

by

dis-

playing

3

horizontal

bars

as

shown

below.

Ili.

CEQ

28

REMOTE

CONTROL

OF

THE

CEQ

28R

This

manual

assumes

that

you

are

familiar

with

the

operation

of

the

CEQ

28.

if

you

are

unfamiliar

with

the

CEQ

28,

take

a

few

minutes

to

go

through

the

CEQ

28

manual

with

the

CEQ

28.

1.

MIDI

COMMUNICATION

When

the

CEQ

28

is

in

the

“Remote”

mode

to

control

an

CEQ

28R,

MIDI

system

exclusive

messages

are

used

which

must

be

on

the

receiving

units

channel.

The

communication

in

this

mode

is

two-way.

For

each

mes-

sage

that

the

CEQ

28R

receives,

it

must

send

a

return

message

that

either

contains

the

requested

information

(like

current

EQ

curve

data,

label

for

a

preset,

etc.)

or

acknowledges

the

receipt

of

information.

2.

MIDI

CONNECTIONS

BETWEEN

THE

CEQ

28

AND

CEQ

28R

To

establish

the

required

two-way

communication,

the

CEQ

28

and

CEQ

28R(s)

are

wired

in

a

loop.

The

MIDI

output

of

the

CEQ

28

goes

to

the

MIDI

input

of

the

first

CEQ

28R.

The

CEQ

28R

is

MIDI

output

then

goes

to

the

MIDI

input

of

the

next

CEQ

28R,

until

the

output

of

the

final

CEQ

28R

is

connected

to

the

MIDI

input

of

the

CEQ

28.

CRE

EESAN

NCUSE

m

vA

REALI.

qon

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ca

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SOURCE

GUIES

INPUTS

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CEQ

28R

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28R

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3.

SETTING

THE

MIDI

CHANNEL

FOR

REMOTE

COMMUNICATION

The

CEQ

28

and

each

CEQ

28R

must

be

set

to

a

different

MIDI

channel.

If

an

CEQ

28R

is

set

to

the

same

channel

as

another

CEQ

28R

or

the

master

CEQ

28,

proper

com-

munication

will

not

take

place.

TECHNICAL

EXPLANATION

When

a

CEQ

28R

receives

a

system

exclusive

message

that

is

not

on

its

channel,

itechoes

the

message

to

its

MIDI

output.

System

exclusive

messages

that

the

CEQ

28R

receives

on

its

listening

channel

are

not

echoed

to

its

output.

So,

if

more

than

one

CEQ

28R

were

on

the

same

channel,

messages

would

never

reach

the

second

CEQ

28R.

If

an

CEQ

28R

were

on

the

same

channel

as

the

CEQ

28

master,

that

CEQ

28R

would

intercept

messages

intended

for

the

master

and

an

error

message

would

appear

on

the

CEQ

28's

display.

A.

ASSIGN

PAGE

FUNCTIONS

1.

SELECTING

A

CEQ

28R

FOR

REMOTE

CONTROL

For

this

section,

connect

one

CEQ

28R

to

the

CEQ

28

and

follow

along

with

the

instructions.

Set

the

CEQ

28

to

MID!

channel

1

and

the

CEQ

28R

to

MIDI

channel

2.

Press

the

Assign

button

on

the

CEQ

28R.

Use

the

left

or

right

(

<

or

>

)

cursor

keys

to

move

the

blinking

cursor

to

the

left

of

Remote

channel

select.

LOCAL

*REMOTE-CH

1

EQ

RANGE

12dB

EXIT

SUB

ON

FB-FIND

OFF

VIEW

ANGLE

260

Use

the

Up

or

Down

cursor

keys(

A

or

V

)toselect

the

channel

of

the

CEQ

28R

that

you

wish

to

control.

Now

move

the

cursor

to

the

left

of

the

“LOCAL”

mode

label.

—

*LOCAL

REMOTE-CH

2

MQ

RANGE

12dB

=

EXIT

SUB

ON

FB-FIND

OFF

VIEW

ANGLE

@60

Press

either

the

Up

or

Down

cursor

keys(

A

or

V

)to

toggle

the

CEQ

28

into

the

Remote

control

mode.

If

the

CEQ

28R

responds

with

all

of

the

appropriate

data,

the

following

display

will

momentarily

appear

on

the

CEQ

28.

L

CEQ

28R

2

ON

LINE

[3]

SOFIWEARE

VERSION

1.00

The

assign

page

then

reappears

with

the

Local

label

replaced

by

Remote,

and

EQ

range

and

Subsonic

switches

reflecting

the

way

the

CEQ

28R

is

set.

L

*REMOTE

REMOTE-CH

2

EQ

RANGE

12dB

[5

EXIT

SUB

ON

FB-FIND

OFF

VIEW

ANGLE

260

If,

instead

of

the

above

message,

thefollowing

message

appeared,

A

MIDI

ERROR

HAS

OCCURRED!

EXIT

CEQ

28R

DID

NOT

RESPOND

check

to

see

that:

—

The

MID!

output

of

the

CEQ

28

is

connected

to

the

MIDI

input

of

the

CEQ

28R.

—

The

MIDI

output

of

the

CEQ

28R

is

connected

to

the

MIDI

input

of

the

CEQ

28.

—

The

remote

channel

that

you

selected

in

the

CEQ

28

display

is

the

same

as

the

channel

that

the

CEQ

28R

is

set

to

(MIDI

channel

2).

—

The

CEQ

28

is

set

to

a

different

MIDI

channel

than

any

of

the

CEQ

28Rs.

—

The

CEQ

28

is

set

to

receive

MIDI

system

exclusive

messages.

This

message

will

appear

any

time

during

remote

operation

of

the

two-way

communication

between

the

CEQ

28

and

CEQ

28R

is

lost.

Toreturn

to

control

of

the

CEQ

28,

position

the

cursorto

the

left

of

the

“REMOTE”

model

label.

Press

either

the

up

or

down

cursor

key

to

get

into

Local

Mode.

2.

EQ

RANGE,

SUBSONIC

FILTER,

AND

FEEDBACK

FIND

The

40

Hz

subsonic

filter

and

EQ

range

can

now

be

changed

in

the

remote

CEQ

28R

by

positioning

the

blinking

cursor

to

the

left

of

the

desired

parameter,

then

using

the

UP

or

DOWN

keys

to

change

that

parameter.

This

is

the

same

way

that

these

functions

would

be

changed

on

the

CEQ

28.

However,

because

the

feed-back-

find

feature

works

with

the

line

signal

going

through

the

CEQ

28,

you

cannot

access

this

feature

while

in

the

REMOTE

mode.

3.

EO

DISPLAY

AND

FUNCTIONS

Press

the

EQ

function

selector

button.

The

EQ

display

now

shows

the

curve

of

the

remote

CEQ

28R.

Pressing

the

DSPL

soft

key

once

will

selectthe

vertical

6

band

EQ

display

mode.

Pressing

the

DSPL

soft

key

again

will

select

the

"Set

Equalizer

Flat"

display.

Em

FLAT

Wo

DSPL

Set

Equalizer

FLAT?

Pressing

the

DSPL

soft

key

athird

time

will

return

you

to

the

original

EQ

display.

Because

the

CEQ

28R

does

not

have

an

RTA,

the

EQ

over

RTA

display

is

omitted.

Use

the

cursor

keys

to

adjust

the

equalizer.

As

you

see,

the

buttons

and

display

behave

the

same

as

when

you

are

in

the

"Local"

mode

controlling

the

CEQ

28.

You

may

notice,

however,

that

the

rate

the

cursor

scrolls

as

you

hold

the

button

down

to

raise

or

lower

the

level

of

a

band

may

vary

slightly

as

the

number

of

CEQ

28Rs

in

the

loop

is

increased.

Pressing

the

“OPT”

key

brings

up

the

ADD

EQ

curve

display

which

works

the

same

as

the

corresponding

CEQ

28

display.

Pressing

the

UP

or

DOWN

keys

with

the

cursorto

the

left

of

ADD

toggles

the

ADD

mode

on

and

off.

When

the

cursorisatthe

added

program

number,

pressing

the

up

or

down

keys

changes

the

program

preset

that

is

added

to

the

current

EQ

curve.

The

change

actually

takes

place

when

you

release

the

button.

Pressing

the

EXIT

soft

key

returns

you

to

EQ

display.

If

you

press

the

NEXT

soft

key,

the

"compare

two

curves"

display

appears.

This

also

functions

the

same

as

the

CEQ

28.

4.

STORE

The

store

display

and

functions

are

the

same

as

those

in

the

CEQ

28.

To

store

a

curve,

press

the

STORE

button.

STORE

PROGRAM

*(Xl

EXIT

Prog

1

Now,

using

the

UP

A

or

V

DOWN

keys

to

select

a

new

character.

The

LEFT

or

RIGHT

arrow

keys

are

used

to

select

which

of

the

8

character

positions

you

wish

to

change.

To

change

the

user

label,

press

the

RIGHT

>

arrow

key

and

the

display

will

look

like

this:

L

STORE

PROGRAM

X

=

EXIT

*

Prog

£l

The

underline

cursor

indicates

the

character

of

the

label

to

be

modified.

Use

the

UP

A

or

V

DOWN

keys

to

selecta

new

character.

The

LEFT

or

RIGHT

arrow

keys

are

used

to

select

which

of

the

8 character

positions

you

wish

to

change.

To

store

a

curve,

press

the

STORE

soft

key

(The

top

soft

key).

The

display

will

momentarily

show:

STORE

COMPLETE

LEE

Your

curve

and

label

are

now

stored.

If

you

have

the

CEQ

28R

front

panel

set

to

modes

3,

4,

or

5,

where

the

user

can

recall

preset

curves,

be

sure

to

store

the

curve

in

a

location

that

can

be

accessed.

5.

RECALL

The

RECALL

display

and

functions

are

the

same

as

those

in

the

CEQ

28.

To

recall

a

stored

EQ

curve,

press

the

RECALL

button

and

the

recall

display

wil!

appear.

=

RECALL:

PROGRAM

*@Z1

ADD

—-

—

EXIT

Prog

9l

Use

the

UP

A

or

V

DOWN

arrow

keys

to

select

the

program

preset

curve

to

recall.

The

user

label

at

the

bottom

of

the

display

will

not

be

updated

to

reflect

the

newly

selected

preset

until

the

button

is

released.

Pressing

the

RIGHT

arrow

>

key

will

move

the

cursor

to

the

left

of

the

ADD

label

and

allow

the

selected

preset

curve

to

be

recalled

with

or

without

an

ADD

curve.

=

RECALL

PROGRAM

001

¥*ADD

23

p

EXIT

Prog

21

Prog

%3

If

the

ADD

function

is

on,

the

cursor

may

be

moved

to

the

rightto

select

the

program

preset

number

to

be

added.

For

more

information

on

adding

curves,

refer

to

the

CEQ

28

manual.

To

recall

the

selected

curve,

press

the

recall

soft

key

(top

soft

key).

The

following

display

will

momentarily

appear.

RECALL

COMPLETE

m

Recall

Complete.

B.

MIDI

PAGE

FUNCTIONS

1.

MIDI

MAIN

MENU

Press

the

MIDI

selector

button

and

the

following

display

will

appear.

NEXT

CEQ

28R

2

MIDI

FUNCT:

*CONT

CNTRL

EXIT

*SWITCHES

SEND/RECEIVE

SYS

EXCL

Use

the

left

or

right

(<

or

>

)

cursor

keys

to

select

the

desired

function.

Then

press

the

“NEXT”

soft

key

to

go

to

that

display.

2.

SETTING

MIDI

CONTINUOUS

CONTROLLERS

Select

the

set

continuous

controllers

function

(Place

the

cursor

to

the

left

of

“CONT

CNTRL”).

Now

press

the

“NEXT”

soft

key.

The

following

display

will

appear.

CEQ

28R

2

EQ

GAIN

ON

CONTL

*(228

EXIT

FQ

SLIDERS

ON

CC

@@1

TO

228

Individual

EQ

"sliders"

can

be

controlled

via

MIDI

continuous

controller

messages.

The

controller

numbers

are

assigned

in

this

page.

The

29

sliders

are

configured

as

a

contiguous

block,

starting

with

EQ

gain,

then

the

32

Hz

band,

followed

by

40

Hz,

on

up

to

the

16

kHz

band.

The

starting

controller

number

can

be

changed

by

using

the

upordown(

A

or

V

)cursor

keys

to

a

value

ranging

from

0

to

92.

NOTE:

You

may

notice,

as

you

change

the

controller

number,

that

the

display

will

skip

some

blocks

of

numbers.

This

happens

because

the

CEQ

28

checks

for

conflict

between

the

Gain

and

EQ

Slider

block

and

the

Subsonic

and

EQ

Range

MIDI

controller

switches,

and

skips

numbers

that

would

cause

more

than

one

control

to

be

assigned

to

one

number.

3.

MIDI

Subsonic

and

EQ

Range

switches

The

Subsonic

filter

and

EQ

Range

can

be

changed

by

using

MIDI

controller

change

commands.

The

controller

number

assigned

to

each

of

these

switches

is

selected

in

the

MIDI

Switches

display.

=

SET

CEQ

28R

2

MIDI

Switches:

ir

EXIT

*SUBSONIC

CC

@64

EQ

RANGE

CC

Go5

Pressing

the

LEFT

<

or

>

RIGHT

cursor

keys

selects

either

the

subsonic

or

EQ

range

controller

and

the

UP

A

or

v

DOWN

keys

change

the

controller

number.

4.

MIDI

SEND

AND

RECEIVE

ENABLE

The

receipt

of

MIDI

program

change

and

controller

change

commands

can

be

enabled

or

disabled

in

this

display.

In

the

MID!

main

menu,

move

the

blinking

cursor

to

the

left

of

the

SEND/RECEIVE

label.

ns

NEXT

CEQ

28R

2

MIDI

FUNCT:

CONT

CNTRL

=

EXIT

SWITCHES

*SEND/RECEIVE

SYS

EXCL

Press

the

NEXT

soft

key

to

go

to

the

send/receive

display.

L_

CEQ

28R

2

MIDT

Receive

Enable

Ti]

EXIT

RECV:*PROG

CHG

YES

CONTL

CHG

YES

Use

the

LEFT

<

or

>

RIGHT

arrow

keys

to

select

the

parameter

to

change

and

the

UP

A

or

V

DOWN

keys

to

toggle

the

receive

enable

between

YES

and

NO.

5.

MIDI

SYSTEM

EXCLUSIVE

(DUMP

PRESET)

To

dump

one

or

all

presets

from

the

CEQ

28R

to

the

CEQ

28,

connect

only

one

CEQ

28R

to

the

CEQ

28

as

shown

below.

PIMEY

(SEES

NOISE

SOURCE

Macte

vo

XA

ae

Ts

m

MI

————À

QN

©

AVAD

INC

SAL

f

.

L

tte

Ww.

M

:

ij

i:

Set

both

units

to

the

SAME

MIDI

channel.

On

the

CEQ

28,

select

Remote

mode

to

control

the

CEQ

28R.

NOTE:

Dumping

preset

curves

from

the

CEQ

28R

to

the

CEQ

28

will

destroy

the

existing

CEQ

28

curve

stored

in

that

preset

location.

For

example:

If

you

dump

preset

#1

from

the

CEQ

28R

to

the

CEQ

28,

the

CEQ

28's

preset

#1

will

be

replaced

with

preset

#1

dumped

from

the

CEQ

28R.

Press

the

MIDI

button.

Now

use

the

left

or

right

cursor

keys

to

move

the

blinking

cursor

to

the

left

of

the

SYS

EXCL

label.

x22

NEXT

CEQ

28R

1

MIDI

FUNCT:

CONT

CNTRL

I

EXIT

SWITCHES

SEND/RECEIVE

*SYS

EXCL

Press

the

NEXT

soft

key

and

the

following

display

will

appear.

=

EXECUTE

CEQ

28R

1

SYSTEM

EXCLUSIVE

Fi

EXIT

*DUMP

PRESET

Ql

Use

the

up

or

down

cursor

keys

to

select

the

preset

to

be

dumped

or

select

ALL

to

dump

all

128

presets.

(ALL

is

below

001

or

above

128)

Press

the

EXECUTE

soft

key

to

send

the

Dump

request

to

the

CEQ

28R.

The

CEQ

28

will

display:

SYSTEM

EXCLUSIVE

IN

PROGRESS

The

CEQ

28R

will

show

the

three

bar

MIDI

activity

display.

INP

RES

ATA

MPC

INPUTS

e

eo

©

[9]

©

Bat

ANE

SY

AL

OMe

BALANCE

Bà,

ANCE

D

WARNING

HL

VLR

CIC

E

SE

CI

HIRE

AND

SECK

(C

NOT

E

XPOSE

MIIS

APPI

ANCE

.RE

DO

NOT

AEMCYE

SERV

CEAM

PARTS

ING

10

GAL

HEL

.

AVIS

BISQGL

Di

CHOC

ELFZTA

OE

BALANCES

NE

PAS

DUVAN

To

dump

presets

to

another

device,

you

can

either

send

a

MIDI

dump

request

from

that

device

as

described

in

the

MIDI

System

Exclusive

specification;

or

you

can

proceed

as

instructed

above,

but,

just

before

pressing

the

EXECUTE

soft

key,

connect

the

receiving

device

to

the

MIDI

output

of

the

CEQ

28R.

The

CEQ

28

will

show

the

following

message

on

the

display.

td

SYSTEM

EXCLUSIVE

—

DUMP

PRESET

SENT

When

performing

a

system

exclusive

dump

from

the

CEQ

28R,

its

MIDI

output

need

not

be

connected

to

the

CEQ

28

MIDI

input.

6.

CEQ

28R

MIDI

COMMAND

SUMMARY

The

CEQ

28R

responds

to

MIDI

program

change

com-

mands

by

recalling

the

Preset

EQ

curve

requested.

The

CEQ

28R

must

be

listening

on

the

correct

MIDI

channel

or

be

in

OMNI

mode.

When

the

CEQ

28R

receives

a

valid

program

change

command,

it

will

display

3

bars

in

its

front

panel

display.

The

CEQ

28R

will

receive

MIDI

controller

commands

that

are

on

the

correct

MIDI

channel

and

for

controller

numbers

assigned

to

EQ

sliders

or

switches.

The

CEQ

28R

responds

by

displaying

the

3

bar

MIDI

activity

indicator

and

by

changing

the

appropriate

EQ

slider

or

switch.

When

in

OMNI

mode,

the

CEQ

28R

will

receive

MIDI

controller

changes

messages

sent

on

any

channel.

The

system

exclusive

messages

that

the

CEQ

28R

sends

and

receives

are

outlined

in

the

MIDI

implementation

anntinn

7.

FACTORY

RESET

OF

MEMORY

If

you

have

changed

many

of

the

MIDI

communication

parameters

or

if

you

wish

to

erase

all

of

the

EQ

curve

stored

in

memory,

you

can

reset

the

CEQ

28's

memory

to

the

factory

settings.

CAUTION:

When

the

following

action

is

performed,

all

of

the

stored

curves,

EQ

settings,

and

other

setup

changes

are

returned

to

the

factory

settings.

ALL

STORED

CURVES

ARE

LOST!

If

you

wish

to

save

any

of

the

stored

curves,

use

a

MIDI

System

Exclusive

dump

to

the

CEQ

28.

Connect

the

CEQ

28R

and

CEQ

28

together

via

MIDI.

Turn

the

CEQ

28R

power

on

and

the

CEQ

28

power

off.

Press

and

hold

the

RECALL

and

STORE

keys

on

the

CEQ

28

while

turning

the

CEQ

28's

power

on.

The

following

display

will

appear.

=

WARNING:

RESET

OF

CEQ

28R

MEMORY

—

PROCEED

WITH

CAUTION!!!

pi

o

Amplifier

Mixer

Console

Now

simultaneously

press

the

left

and

right

cursor

keys.

The

display

will

change

to:

=

EXECUTE

UE

EXIT

RESET

CEQ

28R

2

MEMORY

Use

UP

or

DOWN

keys

to

Select

Use

the

up

or

down

cursor

keys

to

select

the

number

of

the

CEQ

28

to

reset.

Press

the

EXECUTE

soft

key

(top

soft

key)

to

perform

the

memory

reset.

Pressing

the

EXIT

soft

key

aborts

reset.

8.

RTA

EQUALIZATION

USING

THE

CEQ

28

AND

CEQ

28R

The

RTA

built

into

the

CEQ

28

can

be

used

to

remotely

equalize

a

sound

system

with

the

CEQ

28R.

The

RTA

and

auto-equalization

functions

look

identical

to

those

for

the

CEQ

28

alone,

but

the

CEQ

28R

is

actually

adjusted

instead

of

the

CEQ

28.

First,

connect

the

CEQ

28

and

CEQ

28R

as

shown

below.

5

INPUTS

WARNING

ii

RISK

CE

FIRE

AND?

able

:

A

AE

AREL

RET?

HMVGINS;

TF)

QUA

IET

GEHEF

UL

HSONNET

UNBALANCED

"

t

yE

EF

US

UORD

BAL

ACIE

EAS

IVR

“rp

BRE

VENT

TH

HAZARD

GO

ty

E

TH

s

AML

T^

RA.

OR

N

E

COBRA

NG

8

6

h

INSIDE

E

vi

UNE

OIL

HA

ANLE

Speaker

PVR™

Microphone

F,

Then

connect

the

sample

microphone

to

the

RTA

mic

input

of

the

CEQ

28.

Be

sure

that

the

CEQ

28R

is

connected

to

the

sound

system

that

you

are

about

to

equalize

and

that

it

is

not

in

the

bypass

mode.

Connect

the

pink-noise

source

to

the

sound

system

that

you

are

about

to

equalize.

Select

the

CEQ

28R

you

wish

to

adjust

and

then

switch

to

remote

control

mode.

Press

the

RTA

button

on

the

CEQ

28

and

proceed

with

the

Auto-equalization

as

you

would

for

the

CEQ

28

and

as

described

in

the

CEQ

28

manual.

For

best

results,

we

recommend

that

you

equalize

the

system

with

the

microphones

turned

on

but

below

feedback.

This

will

help

take

into

consideration

the

affect

of

acoustic

interaction

between

the

microphones

and

speakers

on

the

system's

frequency

response.

After

completing

the

equalization

of

the

system

with

the

CEQ

28R,

press

the

EQ

button

to

examine

the

resulting

curve.

If

some

bands

are

set

to

large

amounts

of

boost,

you

may

wish

to

cut

them

manually

before

proceeding

to

store

the

curve.

You

should

pay

particular

attention

to

the

lowest

and

highest

frequency

bands.

If

all

looks

well,

then

store

the

curve

in

one

of

the

128

presets.

If

you

plan

on

using

the

front

panel

recall

feature

on

the

CEQ

28R,

be

sure

to

store

the

curve

in

one

of

the

locations

that

the

front

panel

can

access.

For

the

recall

of

two

preset

curves

mode,

it

must

be

stored

in

locations

1

or

2.

For

the

recall

of

4

preset

curves

mode,

it

must

be

in

1,

2,

3,

or

4.

For

recall

of

8,

it

must

be

stored

in

1

to

8.

IV.

THE

CEQ

28

TRACKS

THE

CEQ

28R

1.

DESCRIPTION

In

this

mode

of

operation,

the

CEQ

28H

will

always

have

the

same

EQ

curve

as

the

CEQ

28

it's

connected

to.

As

the

NOISE

SOAS

eo.

$

€

GF.

A

OUTPUTS

WE

OUTPUTS

NBAL

ANTE.

cd

EQ

curve

is

manually

adjusted,

the

same

changes

will

be

made

in

the

CEQ

28R. This

mode

can

be

useful

for

stereo

operation

when

you

want

to

equalize

both

channels

the

same

to

maintain

proper

stereo

imaging.

2.

CONNECTIONS

AND

SETUP

Connect

the

MIDI

output

of

the

CEQ

28

to

the

MIDI

input

of

the

CEQ

28R.

Set

both

the

CEQ

28

and

CEQ

28R

to

the

same

MIDI

channel,

or

set

the

CEQ

28R

to

the

OMNI

receive

mode.

Set

the

CEQ

28

to

send

MIDI

program

change

and

controller

change

messages.

The

CEQ

28R

must

also

be

set

to

receive

these

messages.

Be

sure

that

both

the

CEQ

28

and

CEQ

28R

have

the

EQ

sliders

and

MIDI

switches

set

to

the

same

MID!

controller

numbers.

INPUT:

RIA

MIC

INPUTS

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EXPOSE

THIS

APPLIANTI

TG

RAIN

OR

MOISTURE

DO

MC

RAMON!

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LSEH

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TO

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-

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CRD.

Bar

ANCES

BALANCE:

NF

FAS

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HIA

NOTE:

The

CEQ

28

and

CEQ

28R

are

set

up,

ready

for

communication

from

the

factory.

Now,

as

you

manually

adjust

an

EQ

slider

on

the

CEQ

28,

the

same

change

is

being

made

on

the

CEQ

28R.

You

can

confirm

that

the

CEQ

28R

is

getting

the

messages

if

the

CEQ

28R

display

changes

to

3

bars

when

an

EQ

change

is

made.

What

we

have

not

yet

considered

is

that

the

two

equalizers

may

contain

different

EQ

curves

when

we

start.

Each

time

an

EQ

band

is

adjusted

on

the

CEQ

28,

the

corresponding

band

on

the

CEQ

28R

will

be

set

the

same.

However,

if

you

don't

adjust

all

bands

of

the

equalizer,

then

the

unadjusted

bands

may

be

set

differently.

Itis

best

to

either

set

both

equalizers

flat

or

recall

identical

curves

before

starting

manual

adjustment.

We

also

must

consider

what

happens

when

a

curve

is

recalled

on

the

CEQ

28.

Performing

a

recall

on

the

CEQ

28

causes

the

corresponding

preset

on

the

CEQ

28R

to

be

recalled.

But

if

the

CEQ

28

and

CEQ

28R

have

different

curves

stored

in

their

preset

memories,

the

two

EQ

curves

will

be

different.

The

best

way

to

solve

these

problems

is

to

dump

the

desired

preset

curves

(or

ALL

presets)

via

a

system

exclusive

dump

from

the

CEQ

28

to

the

CEQ

28R.

Then

recall

one

of

those

curves

to

assure

that

both

units

have

the

same

EQ

settings.

If

you

create

a

new

curve

and

store

it

in

the

CEQ

28,

be

sure

to

remember

to

also

dump

the

preset

containing

the

new

curve

to

the

CEQ

28R.

If

you

want

additional

CEQ

28Rs

to

track

the

master

CEQ

28,

connect

each

in

turn

to

the

MIDI

output

of

the

previous

CEQ

28R.

Taking

the

signal

from

the

CEQ

28R's

MIDI

output

instead

of

its

thru

keeps

the

MIDI

signal

from

deteriorating

as

multiple

units

are

added.

CEQ™

28R

SPECIFICATIONS

All

specifications

are

typical

unless

otherwise

noted.

0

dBV

-

1

Voit

All

specifications

are

referenced

to

nominal

output

level

(0

dBV)

unless

otherwise

noted.

All

measurements

are

wideband

20

Hz

to

20

kHz

unless

otherwise

stated.

NOTE:

All

specs

measured

at

1V

RMS

input

and

unbalanced

output.

All

sliders

at

mid

position,

all

switches

out

unless

otherwise

noted.

Frequency

Response:

(Balanced

and

Unbalanced

Outputs)

+/-

1

dB

20

Hz

-

20

kHz

Distortion:

Less

than

.01%

(20

-

20K)

.005%

Typical

Common

Mode

Rejection

Ratio

(CMRR):

36

dB

Typical

Input

Impedance:

Unbalanced:

20K

ohms

Balanced:

20K

ohms

(equal

impedances

to

ground)

Output

Impedance:

Unbalanced:

1K

ohms

Balanced:

2K

ohms

Maximum

Input

Level:

Unbalanced:

+23

dBV

(14V

RMS)

Balanced:

+23

dBV

(14V

RMS)

Maximum

Output

Level:

Unbalanced:

+17

dBV

(7V

RMS)

Balanced:

+23

dBV

(14V

RMS)

Nominal

Input

Level:

Unbalanced:

0

dBV

(1V

RMS)

Balanced:

0

dBV

(1V

RMS)

Nominal

Output

Level:

Unbalanced:

0

dBV

(1V

RMS)

Balanced:

+6

dBV

(2V

RMS)

Input

Headroom:

Nominal

=

23

dB

Output

Headroom:

Unbalanced:

17

dB

Balanced:

17

dB

Output

Noise:

Unbalanced

Output

EQ

Out:

-95

dBV

EQ

In,

all

Flat:

-90

dBV

Filler

Bandwidth:

1/3

Octave

Filter

Frequencies:

31.6,

40,

50,

63,

80,

100,

125,

160,

200,

250,

316,

400,

500,

630,

800,

1K,

1.25K,

1.6K,

2K,

2.5K,

3.16K,

4K,

5K,

6.3K,

BK,

10K,

12.5K,

16K

Filter

Q:

4.77

40

Hz

to

12.5

kHz

Shelving

Filters:

32

Hz

and

16

kHz

are

12

dB

octave

Maximum

Boost

&

Cut

Filters:

+/-

12

dB

(+/-

12

dB

Position)

*/-

6

dB

(*/-

6

dB

Position)

Maximum

Boost

&

Cut

Gain:

(WideBand

Gain)

*/-

12

dB

(+/-

12

dB

Position)

+/-

12

dB

(+/-

6

dB

Position)

Subsonic

Low

Cut

Filter:

18

dB

per

octave

Frequency:

40

Hz