LESSON 3
OPERATION OF LOCAL-BATTERY TELEPHONES
CREDIT HOURS .......................................................... 2
TEXT ASSIGNMENT ................................................... TM 11-5805-201-12, para 1-4 to 4-4;
TM 11-5805-201-35, para 2-1 to 3-5
MATERIALS REQUIRED ............................................ None
LESSON OBJECTIVE .................................................. To familiarize you with the installation, operation, and
maintenance of local-battery telephones
SUGGESTIONS ............................................................ None
LESSON EXERCISES
In each of the following exercises, select the ONE answer that BEST completes the statement or answers the
question. Indicate your solution by circling the letter opposite the correct answer in the subcourse booklet.
1. A point-to-point circuit is one in which the two parties are connected directly, without benefit of operator
or switchboard. An all-weather point-to-point circuit using Telephone Sets TA-312/PT and Wire WD-l/TT is
limited to a range of approximately
a. 22.5 kilometers (14 mi).
b. 35.4 kilometers (22 mi).
c. 40.3 kilometers (25 mi).
d. 45.7 kilometers (29 mi).
2. Two requirements must be met before installing or replacing batteries in the TA-312/PT.
One
requirement consists of
a. operating the hookswitch.
b. removing Handset H-60/PT.
c. disconnecting the line leads.
d. setting the selector switch to the LB position.
410 L3
12
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