s tw u iv i a l ivanaD iej-^oniroi tconcentric wun
the SEC/DIV switch) provides continuously variable uncali
brated sweep rates between the calibrated settings of the
SEC/DIV switch. Extends the slowest sweep rate to at least
1.25 seconds per division.
24. PULL X10 MAG—Pull the CAL (Variable) control
knob to the out position to magnify the sweep rate by a
factor of 10. Extends the fastest sweep rate to 0.1 micro-
second/division.
25. X-Y—Selects the X-Y display operating mode when
SEC/DIV switch is rotated to the X-Y position. X-axis signal
is provided by the CHI (X) INPUT connector, and Y-axis
signal input is through the CH2 (Y) INPUT connector. Verti
cal Display Mode switch must be in the CH2 position for
X-Y operation.
TRIGGERING CONTROLS (FIGURE 8)
26. Source-Push-button switches to select signal
source applied to the trigger generator circuit.
CHI (in): Signal connected to the CHI INPUT con
nector is used as the trigger signal. Figure 8. Location of trigger and sweep controls.
12
305 Operators
REV A SEP 1979
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