Content
2
Dual-Channel Digital Oscilloscopes
Content
General Instructions
Introduction.......................................................................................4
Precautions and safety measures ..................................................4
Symbols on instrument....................................................................5
Guarantee, Repair, Servicing ..........................................................5
Instrument Description
Front panel ........................................................................................6
XDO2025 - XDO2040...............................6
Rear panel .......................................................................................10
XDO2025 - XDO2040.............................10
Functional Description
AUTO Setup ..........................................................................................................................................11
Auto Setup, screen, symbol ..........................................................11
Autoset function menu.............................12
VERTICAL System ................................................................................................................................13
CH1 - CH2 Channel.........................................................................13
CH1 & CH2 function menus ........................ 14
Knobs in the Vertical mode ...........................................................15
Vertical “POSITION” knob.............................15
Volts/div knob.............................15
MATH functions ..............................................................................16
MATH function menu.............................16
MATH function instruction.............................16
FFT Spectrum Analyser .................................................................17
FFT function menus.............................17
Select FFT window.............................17
Measuring an FFT Spectrum using cursors.............................18
Measuring an FFT amplitude.............................18
Measuring FFT frequency.............................19
Using REF .......................................................................................20
REF function menu.............................20
HORIZONTAL System ..........................................................................................................................21
Horizontal System ..........................................................................21
Horizontal system function menu.............................21
Knobs in Horizontal mode .............................................................22
Horizontal “POSITION” knob.............................22
Volts/div knob.............................22
Display scan mode.............................22
Delayed ............................................................................................22
TRIGGER System .................................................................................................................................23
Trigger System ...............................................................................23
Signal Source.............................23
Edge Trigger ...................................................................................23
Edge Trigger function menu.............................23
Trigger Setup function menu.............................24
Pulse Trigger...................................................................................25
Pulse Trigger function menus.............................25
Video Trigger ..................................................................................27
Video Trigger function menus.............................27
Slope Trigger ..................................................................................29
Slope Trigger function menus.............................29
