(fig. 5-5) is enabled by TEST SEL switch S203 at SER-
V O and AMPLIFIER GAIN control R201 rotated fully
clockwise. With this test setup, the stators of transmit-
ter B201 and the control transformer of the indicator
A servoed indicator consists of a low-inertia
under test are connected back to back; and the rotor of
motor, a control transformer, and a gear
transmitter B201 servoamplifier A201 and the fixed-
train; these terms are used to describe the test
phase winding of the low-inertia motor are energized
c i r c u i t for servoed indicators.
by 26 volts.
a. The transmitter test circuit for servoed indicators