Tektronix 2335, Instruction Manual, Page: 26 / 104

CH 2—The signal applied to the CH 2 input
connector is the source o f the trigger signal.
LIN E —Provides a trigger signal from a sample o f
the ac-power-source waveform. This trigger source
is useful when channel input signals are time
related {m ultiple or submultipie) to the frequency
o f the power-input source voltage.
EXT—Permits triggering on signals applied to the
External Trigger Input connector (A EXT).
EXT-MO—External trigger signals are attenuated
by a factor o f 10.
(32) A EXT Connector—Provides a means o f applying
external signals to the trigger circuit.
(3 3 ) COUPLING Sw itch—Determines the method used to
couple the trigger signal to the input o f the trigger
circuit.
AC—Signals above 20 Hz are capacitively coupled,
blocking any dc components o f the signal. Signals
below 20 Hz are attenuated.
14 2335 Operators