70
Model Three - Operation Manual
The first time you use the Model Three, you
should press the
F
1
F
1
key to replace the initial
Zero Reference data.
When you press the
F
1
F
1
key to replace the Zero Reference data, the
Model Three prompts you to connect the device to the cable system.
After you have connected the CATV source to the Model Three, press the
F
1
F
1
(ENTER)
key. The Model Three scans all video carrier frequencies in
the selected Base Channel Plan, including those disabled for channel scan
(see
Chapter 4: Setup, Channel Plan
).
When the Model Three has completed the new Zero Reference scan, a
prompt appears to press the
F
1
F
1
key to start a Relative Spectrum
measurement.
