Page 4

Question 1

What does the buzzer sequence -O O - indicate?

Answer 1

When operating in door bypass; doors clear of all encumbrances, proceed.

Indicates readiness to proceed when conditions are met.

Question 2

True or False: Equipment can move on a track with foul time as long as protection is provided.

Answer 2

False

Equipment must not move in foul time even with protection.

Question 3

What is the horn sequence for calling the inspector?

Answer 3

O O O O O

This sequence is used to signal the inspector.

Question 4

What type of switch is this?

Answer 4

Hand thrown switch

Note - The switch stand is black, so it’s a hand thrown switch. The switch
lever is yellow, but that doesn’t matter. It’s the base of the switch (switch
stand) that identifies the switch.