User Guide

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User Guidebook
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5
Level
Control signal trigger to sweep at certain level.
Towards "-": The triggering level moves downward
on the display waveform.
Towards "+": The triggering level moves upward on
the display waveform.
6
Time/DIV
Select the sweep rate.
7
Lock
When the Lock button is pressed down, the
triggering level is automatically maintained at
optimum value irrespective of the signal amplitude,
requiring no manual adjustment of triggering level.
8
Norm/Auto/TV
Select the desired trigger mode.
Auto: a single trace shown on screen even no
signal. Automatically reverts to triggered sweep
operation when adequate triggered signal is present.
Needs to adjust the Level.
Norm: No trace on screen if no signal. Trace is only
generated when adequate trigger signal is present.
TV: Used to show TV signals.
9
X Input
When switching to XY mode, it’s X input terminal.
When switching the trigger source to Ext, it’s external
trigger input terminal.
10
Int/Line/Ext
Switch to select the Trigger Source.
Int: Select internal signal as trigger source signal.
Line: Select AC power line as trigger signal.
Ext: The external signal applied through X Input
terminal is used for the external triggering source
signal.
11
CAL signal
Provide calibration square wave for 0.5Vpp range,
frequency=1kHz. Used for adjusting probe
compensation and adjusting the vertical & horizontal
sensitivity.
12
CAL ground
Ground wire connector of the calibration signal.
13
AC/DC/
Switch for selecting coupling mode.
AC: Block the DC component of the input signal.
DC: Pass both AC and DC components of the input
signal.
 (GND): Disconnect the input signal.
14
Y Input
Vertical input terminal.