Tektronix 744A User Manual

Performance Tests

TDS 684A, TDS 744A, & TDS 784A Service Manual

PAL signal source (Item 16)

60 Hz. sine wave generator (Item 17)

Pulse generator (Item 18)

Two 75 

 cables (Item 19)

Two 75 

 terminators (Item 20)

One BNC T connector (Item 7)

50 

 cable (Item 5)

50 

 terminator (Item 4)

See page 4–15. These prerequisites include running the signal path
compensation routine.

1. Set up digitizing oscilloscope to factory defaults by completing the following

a. Press save/recall SETUP.

b. Press the main-menu Recall Factory Setup.

Press the side-menu OK Confirm Factory Init.

d. Wait for the Clock Icon to leave the screen.

CONFIRM the digitizing oscilloscope is setup as shown below.

Channel: CH1

Volt/div: 100 mV

Horizontal scale: 500 

ms/div

2. Set up digitizing oscilloscope for TV triggers by completing the following

a. Press TRIGGER MENU.

b. Press the main-menu Type pop-up until you select Video.

Press the main-menu Standard pop-up until you select 625/PAL.

d. Press the main-menu Line.

Use the keypad to set the line number to 7 (press 7, then ENTER).

Press VERTICAL MENU.