Tektronix 2337, Инструкция по эксплуатации

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4. Rotate the Horizontal POSITION control throughout
its range. Observe that the display can be positioned o ff
the screen horizontally w ith X I 0 MAG selected.
11. Observe that the sweep rate is approximately 2.5
times slower than in step 9, as indicated by more cycles
displayed on the screen.
5. Press in the X10 MAG push button again to release
it fo r X I sweep.
12. Return the TIME (PULL) VAR control to its cali­
brated detent (fully clockwise) and push in the knob.
6. Return the A and B SEC/DIV switches to 0.5 ms.
Using the A Trigger Section
7. Rotate the TRIG HOLDOFF (PUSH) VAR knob out
o f detent to its maximum counterclockwise position.
1. Rotate the A TRIGGER LEVEL control between
its maximum clockwise and counterclockwise positions.
The display w ill free-run near each lim it o f rotation.
Observe that the TR IG 'D-READY light illuminates only
when the display is triggered.
8. Observe that the crt trace becomes dimmer as the
holdoff between sweeps is increased.
2. Adjust the A TRIGGER LEVEL control for a stable
display.
9. Return the TRIG HOLDOFF (PUSH) VAR control
to its calibrated detent (fully clockwise). Note the display
fo r future comparison in step 11.
3. Press in the A TRIGGER SLOPE push button to the
— (minus) position. Observe that the display starts on the
negative-going slope o f the applied signal.
10. Pull out the TIM E (PULL) VAR knob and rotate the
control out o f detent to its maximum counterclockwise
position.
4. Press in the A TRIGGER SLOPE push button again
to release it to the + (plus) position. Observe that the
@ 2337 Operators
31