18. What will be the symptom if resistor R1 in Telephone Set TA-1/PT becomes open?
a. The buzzer will not sound.
b. The user will not hear sidetone.
c. The telephone will not transmit.
d. Incoming ringing signals will be heard in the receiver.
19. Which of the four internal circuits of the TA-1/PT has the greatest dc resistance?
a. The voice reception circuit
b. The voice transmission circuit
c. The outgoing signaling circuit
d. The incoming signaling circuit
20. Assume that a multimeter (ohmmeter) is connected between terminal 2 of TB2 and terminal B of TB1
(fig. 1, TM 11-5805-243-35). When the press-to-talk switch is operated, the multimeter will read the resistance
c. resistor R1.
d. indicator coil.
CHECK YOUR ANSWERS WITH LESSON SOLUTION SHEET 0 4, PAGE 31.