OD1402 - Lesson 1/Learning Event 1
o Right Selects the trigger signal from the right vertical
amplifier.
Power Switch. Controls power to the oscilloscope.
Calibrator Connector. Provides for connecting a cable to the
calibrator output signal.
Vertical Amplifier Controls
The functions of the vertical amplifier controls (figure 3, on the
next page) are as follows:
Position Control. Controls the vertical position of the trace.
Polarity Switch. Provides for display inversion. In the +UP
position, positive signals will cause an upward trace deflection.
In the INVERT position, a positive signal will cause a downward
trace deflection.
Mag Switch. Provides for a decreasing deflection factor.
In the x1 position, the deflection factor is not changed. In the
x10 position, the deflection factor is 1/10th of that selected by
the VOLTS/DIV switch.
Gain Control. Fine tuning of the deflection factor.
Input Connector. Provides for connecting the amplifier input
signal cable.
Volts/Div Switch. Provides for selecting calibrated selection
factors, from 5 millivolts to 10 volts per division.
Variable (Calibrate) Knob. Can multiply the Volts/Div switch
setting up to 2.5 times. Extends the range to 25 volts per
division or more.
AC/GND/DC Switch. In the AC position, any AC signal is passed to
the amplifier and any DC signal is blocked. In the ground (GND)
position, no signal is passed to the amplifier. In the DC
position, all components of the signal (AC and DC) are coupled to
the amplifier input.
6
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