Initial Control Settings

PROCEDURE STEPS

POWER

AUTO INTENSITY AUTO FOCUS

As desired

Best defined display

1. Check EXT Z-AXIS Operation a. Connect the leveled sine-wave generator output via a T-connector and two 50-J2 cables to the EXT Z-AXIS INPUT connector on the rear panel and to the CH 1 OR X input connector.

b. Adjust the generator controls to produce a 5-volt, 50 kHz display.

Vertical

Channel 1 POSITION VERTICAL MODE CH 1 VOLTS/DIV CH 1 VOLTS/DIV Variable

Channel 1 AC-GND-DC

Horizontal

POSITION

HORIZONTAL MODE SEC/DIV SEC/DIV Variable

Trigger

VAR HOLDOFF

MODE

SLOPE

LEVEL

SOURCE

Midrange CH 1 2 V

CAL detent DC

Midrange NO DLY 20 jus

CAL detent

NORM AUTO J

Midrange VERT MODE INT

c. CHECK—For noticeable intensity modulation. The positive part of the sine wave should be of lower intensity than the negative part.

d. Disconnect the test setup.

2. Check PROBE ADJUST Operation a. Set:

CH 1 VOLTS/DIV SEC/DIV

10 mV 0.5 ms b. Connect the P6120 Probe to the CH 1 OR X input connector and insert the probe tip into the PROBE ADJUST jack on the instrument front panel. If necessary, adjust the probe compensation for a flat-topped square-wave display.

c. CHECK divisions).

-Display is 5 divisions ±1 division (4 to 6

d. Disconnect the test setup.

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