Manual

Functional description
Two-channel digital Oscilloscopes 79
Functional description
VIII - UTILITY system 2/4
Auto - Cal
The auto-calibration procedure is used to optimize the precision of
acquisition of channels CH1 and CH2. You can run this procedure at any
time, e.g. if the ambient temperature varies by more than 5°C, or after the
device has been in operation more than thirty minutes.
Before starting the "Auto-Calibration", you must disconnect the probes
and leads from the input BNCs. Then press the "Utility" key and choose
"Auto Cal." to start the auto-calibration procedure, following the
instructions displayed on screen.
Self-Test
Steps
1. Test of screen
Select "Test screen" to start the test of the LCD screen. The message
"Press 'SINGLE' Key to continue, Press 'RUN/STOP' Key to exit" is
displayed; press the "Single" button to start the test.