Sony Tektronix VX4792 User Manual page 254

Check Autostep Mode
WAVEFORM
OUTPUT
VX4792 User Manual
This procedure checks the operation of the Autostep mode.
Electrical Characteristic Checked: Operating mode, Autostep, on page E–4.
Equipment Required: A 50 W coaxial cable and an oscilloscope.
Prerequisites: The instrument must meet the prerequisites listed on page F–3.
Procedure:
1. Install test setup and set test equipment controls (see Figure F–10):
VX4792
Figure F-10: Autostep Mode Initial Test Setup
a. Connect the oscilloscope: Connect the WAVEFORM OUTPUT through
a coaxial cable to the oscilloscope CH1 vertical input.
b. Set the oscilloscope controls:
Vertical
CH1 coupling
CH1 scale
CH1 input impedance
Horizontal
Sweep
Trigger
Source
Coupling
Slope
Level
Mode
Performance Verification
Oscilloscope
Ch 1 Input
CH1
DC
0.5 V/div
50 W
2 ms/div
CH1
DC
Positive
100 mV
Auto
F-21