| 1. | It indicates the position in which the points are set. | It indicates the position of derailing switch. |
| 2. | It is provided where there are no departure signals or where single arm Home is provided on MAS. | It is provided at derailing switch where there is no signal protection. |
| 3. | Point indicator shall show a white target by day or a white light by night in both directions when points are set for the straight line. | Trap indicator shall show red target by day and red light by night in both directions when the derailing switch is open. |
| 4. | Point indicator shall show no target by day or a green light by night in both directions when points are set for the turnout. | Trap indicator shall show a knife edge of the disc by day and green light by night in both directions when the derailing switch is closed. |