EZ Digital OS-5060A, Operation Manual

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2-1-2 Vertical Amplifier Block
(9) CH1 or X IN connector : For applying an input signal to vertical-
amplifier channel 1, or to the x-axis
(horizontal) amplifier during X-Y operation.
<CAUTION> To avoid damage to the oscilloscope, do not apply more than
250V(DC+Peck AC) between “CH1” terminal and ground.
(10) CH2 or Y IN connector : For applying an input signal to vertical-
amplifier channel 2, or to the Y-axis
(vertical) amplifier during X-Y operation.
<CAUTION> To avoid damage to the oscilloscope, do not apply more than
250V(DC+Peck AC) between “CH2” terminal and ground.
(11) CH1 AC/GND/DC switch To select the method of coupling the input
signal to the CH1 vertical amplifier.
AC position inserts a capacitor between the
Input connector and amplifier to block any
DC component in the input signal.
GND position connects the amplifier to ground
Instead of the input connector, so a ground
Reference can be established.
DC position connects the amplifier directly
To its input connector, thus passing all
Signal components on to the amplifier
(12) CH2 AC/GND/DC switch To select the method of coupling the input
signal to the CH2 vertical amplifier.
(13) CH1 VOLTS/DIV switch To select the calibrated deflection factor of
the input signal fed to the CH1 vertical amplifier
(14) CH2 VOLTS/DIV switch To select the calibrated deflection factor of
the input signal fed to the CH2 vertical amplifier.
(15) (16) VARIABLE controls Provide continuously variable adjustment of
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