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GPS7 module adjustment procedures

To adjust blac

k burst level and offset

Perform the following procedure to adjust the GPS7 module black burst level

and offset.

1. Restart the instrument in Factory mode:

a. Press and hold the MODULE, ENTER,andFront Panel ENABLE

buttons simultaneously.

b. Continue holding the buttons until the message TG8000 Booting...

displays.

c. When the message TG8000 Booting... displays, release the MODULE

and ENTER buttons. Continue holding the Front Panel ENABLE

button.

d. When the message TG8000 Start up with Factory Mode displays,

release the Front Panel ENABLE button.

2. Connect the Black 1 output to the multimeter as shown. (See Figure 10-1.)

Figure 10-1: Equipment connections for GPS7 module a djustments

3. Press the MODULE button to display the GPS7 main menu.

TG8000 Multiformat Test Signal Generator Service Manual 10–3

Tektronix TG8000 Service Manual

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