Service Manual
Probe Compensation
You are suggested to compensate probe before first using so as to match it to the input channel.
Measurement error may generate without the compensation or because of deviation
compensation. To compensate the probe, follow the steps below.
1
．
Set the probe option attenuation in the channel menu to 10X
.
Set
the
switch
to
10X
on
the
probe.
Picture 2-3 Set the attenuation switch and probe scale
2
．
Connect the probe to channel 1 on the oscilloscope, and attach the probe tip to the PROBE
COMP
Picture 2-4 Connect PROBE COMP
3
． Press AUTO. Within a few seconds, a square wave will be displayed (1 kHz,
approximately 3 V pk-pk). Check if the compensation is correct according to the
shape of waveform.
Under compensated Compensated correctly Over compensated
Picture 2-5 Check the shape
4
．
If necessary, adjust your probe. Repeat as necessary.
