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System
Display
Other Systems
TROUBLESHOOTING
System Information Description
•
OPERATION AT LIMIT: In the current state, adjustment has reached the limit and
cannot continue. When the vertical scale knob, timing control, level shift, vertical
shift or trigger reaches adjustment limit.
•
USB DEVICE IS NOT INSERTED: When the USB storage device is not connected
to the oscilloscope.
•
LOAD FAILED: When the location did not store the setting or waveform needed.
When the power button is pressed and the oscilloscope is black screen:
•
Check the power supply connection
•
Make sure the power switch at the back of the oscilloscope is open, press the front
panel power key and confirm green light is present
•
If there is a sound, it indicates that the oscilloscope is activated. Try the following
operation:
•
Press DEFAULT key then F1 and if the device returns to normal the back-light
brightness is set too low. Restart the oscilloscope.
After signal acquisition, waveform does not appear on display:
•
Check if the probe is connected to the signal test point.
•
Check if the signal line is connected to the analogue channel input.
•
Check the input signal of the analogue channel and that channel is open.
•
Make sure the probe is connected to the compensation piece and check whether
the probe is normal.
•
Check to see if there is a signal to be detected.
•
Press AUTO button for signal re-acquisition.
There is a waveform but not stable:
•
Check the trigger source in the trigger menu and confirm that the signal and
channel are consistent.
•
Check the trigger type, normal signals should use edge trigger mode. Stable
waveform will be displayed only by setting to the correct trigger mode.
Function
Type
Format
Duration Time
Grid Brightness
Waveform Brightness
Storage Type
Frequency Meter
Measurements
Cursor
Language
Menu Display
Square wave output
Back-light brightness
Output selection
Factory Setting
Vector
YT
100ms
50%
60%
Waveform
Off
Off, Clears all measurements
Off
Keep current
Manual
1kHz
100%
Trigger
43
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