Tektronix 067-0587-01 Instruction Manual page 9

Characteristics 067-0587-00
FRONT PANEL CONTROLS AND CONNECTORS (cont)
-STEP RESP
Applies a negative-going step to trigger channel.
FREQ RESP
Applies signal from CW IN connector to trigger channel.
REP RATE
Selects repetition rate for VERT or HORZ and TRIGGERING Step
Response, also selects the repetition rate for the staircase
waveform produced in the GAIN position.
TRIG OUT Connector
Provides a trigger signal that is matched to the VERT or HORZ
and TRIGGERING Step Response.