To Set The Clock Source; To Use Built-In Help - PeakTech 4125 Bedienungsanleitung

8.6. To Set the Clock Source

The waveform generator provides a 20 MHz internal clock source and also accepts
external clock source input from the [20MHz In] connector at the rear panel. It can also
output a 20 MHz clock source from the [20MHz Out] connector for other device to use.
Note:
The amplitude of the [20MHz In] input signal must be over 1V.
1. Press Utility and choose System, enter the second page of the menu.
2. Press F3 to select CLK Sou.
3. Press F3 to switch between Internal/External.

8.7. To Use Built-in Help

1. Press Help function button, the catalog will display in the screen.
2. Press F1 or F2 to choose help topic, or just turn the knob to choose.
3. Press F3 to view the details about the topic; press
4. Press Help again to exit the help, or just do other operations.
F5 to go back to the catalog.
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