Hewlett-Packard 8591C Manual

A SERVICE OF

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If You Have a Problem

Before You Call Hewlett-Packard

2. Press the following cable TV analyzer keys:

ICAL)

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DEFAULT CAL DATA

3.

Perform the CAL FREQ and CAL AMPTD routines, or the

CAL FREQ

&

A#PTD

routine. Be sure CAL OUT is connected to the cable

TV analyzer input.

If the CAL OUT signal cannot be found,

press (FREQUENCY), -37

@

before performing the

CAL FREQ or CAL FREQ

&

AMPTD.

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4. Set the display position by using the steps in “If the display position is

offset.

”

5. Press

ICAL),

CAL STORE.

Some user configurations may need

to

be reset.

DEFAULT CAL DATA can only be accessed by entering a center frequency

of -37 Hz. The center frequency -37 Hz acts as a pass code for

DEFAULT CAL DATA

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