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AN INTRODUCTION TO - page 36 / 72

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R.R.I. Panel Notes

Button Code

Colour

Controls

Location

GN

Red

Main Signal

Near main signal indication

GN

Yellow

Shunt Signal

Near main Shunt indication Lower part of the panel below the controlled point

WN

Blue

Points/Cro ssover

--UN

Grey

Route

Concerned Route/Track

COPB

Blue

Common Point Operation

Top part of the panel, usually somewhere in the centre

AGGB

Red

Manual Working

Top part of the panel

Function

Pushed in conjunction with route button to clear the Main signal

Pushed in conjunction with Main Signal/Shunt Signal Button (GN) to set and lock the route and to clear the signal. Pushed in conjunction with individual points button(WN) to swing the points form Reverse to Normal & Vice-Versa Pushed in conjunction with Semi Automatic Main Signal to take the Signal into manual mode.

Pushed in

conjunction

with route

button to

clear the Pushed

Shunt signal

in

conjunction

Normal

and

Vice-Versa

with

COPB

to

swing

the

points

form

Reverse

to

36

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