User manual

DSO-1102 USB
DSO-2202 USB
USER’S MANUAL 34
Set the Channel Bandwidth Limit
The oscilloscope is set to full bandwidth and will pass the high frequency component in the
signal if the “BW Limit” was turned off.
The oscilloscope will reject the frequency component higher than 20MHz if the “BW
Limit” was turned on.
When the “BW Limit” was turned on, a “B” sign will be displayed at the bottom of display
screen.
Filter definition:
None: without the Filter, read out the actual value directly.
Lower: with low limitation filter, the waveform will look more thin than in “None” mode.
Higher: with high limitation Filter, the waveform will look more thin than in “Lower” mode.
3.2.2 Set Math
Click “MATH” in Channel menu to set MATH channel.
The MATH Menu:
 Turn On/Off: Turn On/Off the MATH Channel.
 Source A/B: Set the sources of the math channel.
 Operate: Set operates type of the math channel.
 Volt/DIV: Set the resolution of the math channel.
 Probe: Set the math channel probe attenuation.
 Reset: Set the math channel vertical position to zero.
 Invert: Turn on/off the invert function
The mathematic functions include addition, subtract, multiply and division for CH1 and
CH2.
Source A/B
Source A and Source B menu: