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F R O N T P A N E L
(D
• POSITION/PULL CHOP
• POSITION:
Rotation
channel 1 trace.
In X - Y operation, rotation adjusts ver-
tical position of display.
CHOP:
ALT/CHOP selector switch; pulling this switch
causes chop operation.
ALT operation:
Alternate
regardless of sweep time as dual
trace ( C H 1 and CH2) or triple
trace ( C H 1 , CH2 and CH3).
CHOP operation:
Chop sweep is selected regard-
less of sweep time at approx-
imately
(CH1 and CH2) or triple trace
( C H 1 , CH2 and CH3).
(2)
VOLTS/DIV
Vertical attenuator for channel 1; provides step adjustment
of vertical sensitivity. When VARIABLE control 3 is set to
C A L , vertical sensitivity is calibrated in 12 steps from
5 V/div to 1 mV/div.
For X-Y operation, this control provides step adjustment of
vertical sensitivity.
( D
VARIABLE Control
Rotation provides fine control of channel 1 vertical sen-
sitivity. In the fully clockwise (CAL) position, the vertical
attenuator is calibrated. For X-Y operation, this control
serves as the Y axis attenuation fine adjustment.
CONTROLS AND INDICATORS
Fig. 2
adjusts vertical position of
s w e e p
is
selected
2 5 0 kHz as dual trace
(4)
AC-GND-DC
Three-position lever switch which operates as follows:
A C :
Blocks dc component of channel 1 input signal.
GND:
Opens signal path and grounds input to vertical
amplifier. This provides a zero-signal base line, the
position of which can be used as a reference when
performing dc measurements.
DC:
Direct input of ac and dc component of channel 1
input signal.
(5)
INPUT Jack
Vertical input for channel 1 trace. Vertical input for X-Y
operation.
(6)
VOLTS/DIV
Vertical attenuator for channel 2; provides step adjustment
of vertical sensitivity. When VARIABLE control 7 is set to
C A L , vertical sensitivity is calibrated in 12 steps from
5 V/div to 1 mV/div.
In X - Y operation, this control provides step adjustment of
horizontal sensitivity.
(7)
VARIABLE Control
Rotation provides fine control of channel 2 vertical sen-
sitivity. In the fully clockwise (CAL) position, the vertical
attenuator
is calibrated. In X - Y operation, this control
becomes the fine horizontal gain control.
( J )
AC-GND-DC
Three-position lever switch which operates as follows:
A C :
Blocks dc component of channel 2 input signal.
GND:
Opens signal path and grounds input to vertical
amplifier. This provides a zero-signal base line, the
position of which can be used as a reference when
performing dc measurements.
DC:
Direct input of ac and dc component of channel 2
input signal.
9
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