Tektronix 2335, Инструкция по эксплуатации

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13. Observe that the TRIG 'D-READY light illuminates,
indicating that the A trigger circuit is armed (READY)
fo r a single-sweep display. No display should be present
on the crt screen.
14, Reconnect the calibration signal to the CH 1 input
connector. A single sweep o f the applied signal should
appear on the screen. When the TR IG 'D -R EAD Y light is
out, another single sweep cannot be displayed until the
SGL SWP button is pressed in again to reset the A Trigger
circuit.
15. Select the A TRIGGER AUTO mode and set the
A TRIGGER SOURCE switch to EXT.
16. Remove the calibration signal from the CH 2 input
connector and connect it to the A EXT inp ut connector.
17. Set the Channel 1 VO LTS/DIV switch to 0.5 (IX )
and adjust the output o f the calibration generator to pro­
vide a 4-division display. Adjust the A TRIGGER LEVEL
control fo r a stable display.
18. Set the A TRIGGER SOURCE switch to E X T-M O .
19. Observe th a t adjustment o f the A TRIGGER LEVEL
control provides a triggered display over a narrower
range than in preceding step 17, indicating trigger-signal
attenuation.
Using the X-Y Mode
1. Remove the calibration signal from the A EXT input
connector and reconnect it to the CH 2 input connector.
Set the A TRIGGER SOURCE switch to VERT MODE and
adjust the A TRIGGER LEVEL control fo r a stable display.
2. Set both the CH 1 and CH 2 VO LTS/DIV switches
to 1 (IX ) and adjust the generator output to provide a
5-division display.
3. Select X-Y VER T MODE by simultaneously pressing
in the CH 1 and CH 2 push buttons.
4. Increase the INTEN control setting until tw o dots
are displayed diagonally. This display can then be posi­
tioned horizontally w ith the Horizontal POSITION control
and vertically w ith the Channel 2 POSITION control.
Note that the dots are separated by 5 horizontal divisions
and 5 vertical divisions.
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2335 Operators