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© VARI ( A B L E )
Rotation provides fine control of channel 1 vertical attenuation. A l l o w s continuous ad-
justment between V O L T S / D I V ranges. In the fully c l o c k w i s e ( C A L ) position, the verti-
cal attenuator is calibrated. During X - Y operation, this control serves as the X axis or
Y axis attenuator fine adjustment.
© A C - G N D - D C
This lever selects the coupling method used for the C H 1 vertical axis input signal.
A C :
Input signal is A C coupled, and D C component is blocked.
GND:
Input signal and vertical amplifier are separated and input to vertical amplifier
is grounded. T h i s allows for confirmation of the ground potential.
D C :
Input signal is D C coupled allowing for measurement including D C component.
T h i s lever servers as the X axis or Y axis input selector during X - Y operation.
® C H 1 INPUT
Vertical axis input jack for channel 1 . Serves as the X axis or Y axis input j a c k during
X - Y operation.
(D $ POSITION/PULL x 5 MAG
Performs the same function for channel 2 as the channel 1 * POSITION control. Serves
as the Y position adjustment control during X - Y operation.
10
Fig. 2-2
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