EXERCISES, LESSON 2
INSTRUCTIONS: Answer the following exercises by marking the lettered response that
best answers the question or best completes the sentence.
After you have answered all of the exercises, turn to "Solutions to Exercises" at the
end of the lesson and check your answers. For each exercise answered incorrectly,
reread the lesson material referenced with the solution.
a. 10v and 3v.
b. 10v and 5v.
12v and 10v.
d. 24v and 15v.
Which circuit functions as a pulse repetition generator?
Refer to the Hyfrecator Troubleshooting Guideline in the appendix. If the unit will not
coagulate, and you have no ACTIVE light with either the foot switch or hand switch,
which of the following is a probable cause?
a. DS1 is open.
b. Open buzzer.
Fuse F1 is open.
d. Bad printed circuit board.