SECTION III PRELIMINARY OPERATIONS

TB 11-6625-2734-50

SECTION III

PRELIMINARY OPERATIONS

6. Preliminary Instructions. a. The instructions

Install vertical amplifier (A8) in oscilloscope left vertical

compartment.

outlined in this section are preparatory to the calibration

b. Connect TI to extenders. Do not cross cables.

process. Personnel should become familiar with the

c. Install sampling head (A7) in SAMPLING

entire procedure before beginning the calibration.

b. Items of equipment used in this procedure are

compartment of TI and pulse generator (A4) in PULSE

GENERATOR compartment of TI.

referenced within the text by common name and item

d. Position TI controls as listed in (1) through (10)

identification number as listed in tables 2 and 3. For the

below:

identification of equipment referenced by item numbers

(1) mV switch to on position.

prefixed with A, see table 2, and for prefix B, see table 3.

(2) mV/DIV VARIABLE control to CAL IN.

WARNING

(3) mV/DIV switch to 100.

HIGH VOLTAGE is used during the

(4) REP switch t on position.

performance of this calibration.

(5) TIME-DISTANCE multiplier switch to X1.

(6) TIME/DIV switch to .1 µs.

DEATH ON CONTACT may result if

personnel fail to observe safety

(7) TIME-DISTANCE dial to 0 (zero).

precautions.

(8) FINE (ZERO SET) control fully clockwise.

(9) SCAN control fully clockwise.

7. Equipment Setup. a. Install two extenders (B8)

(10) LOCATE switch to in position.

into oscilloscope (A3) right and horizontal compartment.

e. Set oscilloscope power switch to on position and

allow 5 minutes for equipment to warm up.