All signals in the same group display the same indication simultaneously.

The trip arm is raised whenever the signal is not displaying a proceed aspect.

Both signals display a light at night, which means that the 'danger' indication appears as red over yellow.

These signals display either a white or a red light.

The next signal is displaying a proceed 80 aspect.

The aspects a free-standing distant signal can display are:

As presented on this compact chart, semi-automatic signals can display both near and distant functions.

If a signal lamp has burnt out, the signal will display its most restrictive aspect.

Typically, the signal displays the phone number of the person seeking the paging subscriber.

This means a signal may display green arrows pointing in all possible directions with the circular red.