olympia electronics BS-475/B Quick Start Manual Download Page 3

Page 3 of 4

Photo 1 

Front cover 

of the siren

Photo 2 

Internal protective cover 

of the siren

1.

 

Place mounting accessories 

 

2.

 

Retaining screws of  the inner

    protective cover

3.

 Loudspeaker

4.

 

Terminal block

5.

 

B

attery 6V/1.3 Ah

6.

 Base self

-p

rotection 

tamper

7.

 Beacon

8.

 

JUMPER FLASH

9.

 

Front cover

 self

-p

rotection 

tamper 

Photo 3

The main parts of the siren

SIREN SOUND SELECTION

SIREN SOUND SELECTION

The device has 8 different sounds. The selection is done by slider switches 1, 2 and 3 of 
the DS1 dip switch (Photo 4). Slide switch 4 is inactive. By default only the slide switch 2 
is ON.

7

5

4

6

3

2

1

1

1

1

2

8

9

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