BATTERY/

OVERMODULATION

INDICATOR

 

 

 

 

 

MICROPHONE

TALK

 

VOLUME

 

 

 

 

 

GAIN

INCREASE

 

 

 

 

ON

 

 

 

 

 

 

AUDIO

 

 

 

 

 

 

 

 

 

 

GAIN

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

.

O

M.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

T/BA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N

 

CHANNEL

 

 

 

 

 

 

 

 

I

 

2

 

 

 

 

 

 

 

 

 

 

x

 

 

 

G

A

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

le

M

 

 

 

 

 

 

e

 

 

 

C

 

 

 

 

T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DECREASE

GAIN

Figure 45

Microphone Gain

Sidetone Level

Regular TR beltpacks have their sidetone control lo- cated on their respective base stations (See the sidetone level part of the base station “Operation Section”).

Specially ordered beltpack to beltpack (Mirror Im- age) direct communication units have their sidetone controlled by a control on the beltpack. To adjust the voice feedback to the earphone (sidetone) of these units, simply turn the control until the sidetone is at a comfortable level.

SIDETONE

LEVEL

CONTROL

 

 

 

 

 

 

 

 

 

INCREASE

 

 

 

 

 

 

 

 

 

GAIN

 

 

 

VOLUME

 

 

 

 

 

 

 

LKTA

ON

 

 

 

 

 

 

AUDIO

 

 

 

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

F

 

 

 

 

 

 

 

 

 

O

 

 

 

 

 

 

 

 

.M.O

 

 

 

 

 

 

 

 

 

BAT/

 

 

 

 

 

 

 

ANN

1EL

 

 

 

 

 

 

 

N

CH

 

 

 

 

 

 

 

I

2

 

 

 

 

 

 

 

 

 

x

 

 

 

G

A

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

le

M

 

 

 

 

 

e

 

 

C

 

 

 

T

 

 

 

 

 

 

DECREASE

 

 

 

 

 

 

 

GAIN

Figure 46

Sidetone Level Control

-24-

Page 27
Image 27
Telex BTR-500/600C operating instructions Microphone Gain, Sidetone Level Control