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handset 

connection

1.  All ED3+ handsets have a latching Privacy Switch. This should be set in the ‘Off’ position with the Red LED 

extinguished to allow call tones to be heard.

2.  All ED3+ handsets are fitted with a Call Tone Volume adjustment (VOL). This maybe adjusted to suit level 

required. Factory setting is full volume

3.  On older systems (Vertex and old RDC’s) this may make the call tone fade. If this is the case check  

for no DC on BZ and if 0v fit PL5 link. If there is a DC voltage find source and isolate before  
fitting link.

4.  Terminal 8 must only be connected to an Extension Sounder, Flashing Beacon or other Aux. Equipment.

Installer Please Note

preferred colour coding for wiring handsets

WHITE/BLUE

BLUE/WHITE

WHITE/ORANGE

ORANGE/WHITE

WHITE/GREEN

GREEN/WHITE

WHITE/BROWN

DR

VT

0V

BZ

S2

S1

DS

EX

DS

S1

S2

BZ

0V

VT

DR

CW1308

1

2

3

4

5

6

7

8

PL5

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