Audio Telex DCM250 User Manual

AMrilDilril@

C O IVI IVI

LJ

N I

l1 ttntcrFn

CAT

n

I O N

I
I

ltL

S

PTY LTO

Audio

Telex Communications

ACN 001345482 lncorporated

ln NSW

Pty Ltd

The

mounting. The

fron 240

ordering)

battery trickle

maximum

VAC

24

or

recommended

DCM250,250

DCM250

DCM250

@

YDC'

charge facility,

is

has

50 IIz

and will

load

a 250 watt

outputs for

or 110 VAC

meet it's

for the DCM250

power

100 volts

@

full

autosensing

amplifier in a two rack

60112
performance

frn cooling,

is

40 ohms.

Watt Power

Product Description

(2RLI)

unit

& 4 ohms. It has

(not

user selectable,

specification

plus

a balanced

internal, factory

on either voltage

overload, short

Amplifier

chassis

input of 10K

circuit and over t€mperature

suitable for table or direct

ohms. The DCM250

adjushent

supply.

only, specify at

The

DCM250

19" rack

will operate

the time of

also features

protection.

a

DC

The

There

is

an unlabelled

Turning

direction
output.

Output

front

towards

for

setting fc this

Powef

power
display window. Please

amplifier will

DC

continue
glow

this control

will reduce

Level: The

just

panel,

it's maximum

the desired

Switch:

switch to

voltage

supply are

to

operate

under these

to the right

output level

control is

right

the

o,perate

normally

conditions;

screwdriver

in

the clockwise

power

the

output level while

The

note

as stx)n as the

connected and

output. The factory

output level

of the

dependittg on

such that

rocker

to turns the AC

a

switch located

that

this switch

from the DC

see the

direction

control is

DCM

Series logo.

turning

the level

I

volt input

powetr

does not

connection

you

rock

supply

amplifier

lnitial Set

adjustable output level

will increase

default

Front

unlabelled recessed (scewdriver

the control

of the input

will

in

the front ce,ntre

'on'.

is

made, regardless

the AC

(and

status

setting for

Panel

Turning the

counter-clockwise will

give

a 100 volt

When the AC

DC

switch

power

the

'mains

display

window

Up

control located

power

the

this control is such

Controls

c.ontrol clockwise will

(from

sigrral

output.

panel

of the

power

voltage. If

of the

switch

to the

failure'

section under Front

output,

mixer

a

turns AC

is

'on',

DC

a

voltage

position

'off

LED in

centrally

on the

turning this

that a I volt input

adjustable)

increase

decrease

or other

green

a

of the

the amplifier

the output level.

power

LED will

supply is

AC

position,

Panel

panel

front

control

is located

and

the ou@ut of

signal

source).

on to the DCM250. Rocking

glow

connected to the DCM250,

power

switch.

the DCM250

status display window will

Controls

later

of the DCM250.

in

a counter-clockwise

give

will

in

Adjust this

The factory

in

the amplifier

If

a

the centre

the DCM250

both an AC

will automatically

in this manual).

100

of the

control

default

status

volt

the

the

and

also

Cooling

only

off again

operating

that

it is

operating

any time

Continued noct

Fans

switch on when

once the te,mperature

at any time

operating within

continually

during

(Air

the temperature

(and

at conservative

normal

page3

operation. Whe,n

lntake): The

of

the DCM250 had reached

of the DCM250

most noticeably
a temp€rature

levels

cooling fans

has

to the

operator at turn-on)

range

that does not need

proper

and

operating,

the fans cause

(two

installed in the

pr+determined

a

frllen below

frn

load conditions,

air flow from the front

case of the DCM250)

range.

pre-determined

a

does not mean

cooling for adequate heat

possible

it is

level.

that the

that the cooling fans

to the rear

are temperature

The fans will

So,

amplifier is faulty in

stay on and

the hct that the fans

dissipation.

of the DCM250.

sensitive

only switch

axe not

any way,

If the DCM250

will not switch

on

and

just

is

at