Brenell Mark 610M Manuel de l'utilisateur - Page 5

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Chctk fast wind, fast rewind, playback and record, noting that interlocking

prevents the large L.H. knob from being turned when the R

~H.

knob is in

use and vice versa.

· ·

It is important to remember that

tl--~

small block button to the left of the

Record/Replay.

knob must be pressed before that knob con be turned to

RECORD. This button will automatically return to the safety position when

the record replay knob is returned to the 'Stop

position.

Amplifier Controls,

Sock_

<:ts

and Push Buttons

Push Buttons (from left to right)

13-3

(1)

P .U. Comp - This button enables the circuit characteristics for

Ceramic (button down) or Magnetic (button up) Gramophone Pick Up

cartridge to be selected. Action of switch is "Push-on Push-off

and no

other button or switch is released when this button is used.

{2)

P.U. - Press to bring Into circuit the sockets marked "CER P.U.

and "f.MG P.U." Note that only one of the sockets may be used at any

one time and the selected socket will be determined by the setting of

Button 1

(P~U.

Comp.) These sockets ore for direct connection to a pickup

and not for outputs from Hi Fi amplifiers, etc.

(3)

Mic. - Press to bring_ into circuit the

socke"

t marked IIMIC

for use with

a microphone of 200- 600 ohms impedance.

Rod ..;,

Press to bring into circuit the socket marked "Rod II for

recording from Radio receivers

a•-

high level signals such as wi

obtained from Hi Fi amplifiers, etc.

NOTE:

Buttons - P .U.

Mic and Rod - When one is pressed the other

two will be

released~

However, mixing of microphone and P.U. signals

may be

ol'

lained ifboth P.U. and Mic buttons are pressed. Under these

conditions the MIXER CONTROL is brought into circuit (see notes on

MIXING).

(5)

A" - When pressed, the signals fed into P.U., Mic and Rod will

be fed 'Straight Through' the amplifier and speaker. Used when amplifying

with or wi.thout recording and for comparison purposes when recording.

NOTE:

Amplification of Mic signals will cause a howling sound if Mic

and speaker are too close and the amplifier's volume control is advanced

too far.

This button is interlatched with "A". When "B" is pressed

'A"

be released and signals from the tape wi

be passed to the

amplifier and speaker.

The level of playback signal may be adjusted by means of the "A/B Balance"

control. Alternate pressing of the A and B buttons whilst recording is taking

place will enable the operator t,.. make a critical comparison between the

recorded and

original

signals; the A/B balance control should be used to

bring the playb?ck signal strength to that of the origiral.