Performance Verification
4–12 THS710A, THS720A, THS730A & THS720P Service Manual
This test checks the oscilloscope time base accuracy.
1. Set up the TekScope instrument using the following steps:
SCO
PE
SA
VE/
RECALL Recall Saved
Setup Recall Factory
Setup
OK Recall
Factory
VERTICAL
MENU Probe Type Voltage Probe Set to 1X
2. Connect the TekScope instrument to the time mark generator as shown
below.
Time mark
generator Ch 1
Output
50 feedthrough
terminator
BNC cable
3. Set the time mark generator period to 10 ms.
4. Set the TekScope instrument VOLTS/DIV to 500 mV/div.
5. Use the vertical POSITION rocker to center the test signal on screen.
Check Oscilloscope
Sample Rate and DelayTime Accuracy