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881/882 Video Test Generator User Guide (Rev A.25)
HRAT
100E3
ALLU
2. Measure the TTL horizontal sync frequency with the frequency counter.
3. Divide the frequency that you expect by the frequency that you measure on the
frequency counter. For example, if you measure 99.9955782499875 kHz, when you
expect 100.000000000KHz, then divide 100.000000000 kHz by 99.9950002499875
kHz; the result is 1.0000442194553987.
4. Enter the result into the generator. This will raise all frequencies output by the generator
and make them exact. To enter the results through the front panel using the following
procedures:
5. Press the Tools key. The Tools menu appears on the generator's display as shown
below.
System
Sequence
Probe
AFC
6. Choose the System item by pressing the adjacent soft key. The System menu appears.
Press the - key to scroll down until the CalFactor item appears.
CalFactor
Network
Serial
BootFrom
7. Choose the CalFactor item by pressing the adjacent soft key. The following items
appear on the generator's display:
Edit-Factors
Self-Calibrate
Reports
ImgShift
Analyzer
CEC
Host
About
Gpib
Init
43
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