566
Chapter 13
Softkey Descriptions
Softkey Descriptions
• While
CAL: LOG AMP
is displayed, the following
calibrations are performed:
❏
The log fidelity is measured in 1 dB steps.
❏
Errors are corrected with digital offsets of the
video signal on the A16 assembly.
❏
The video offsets are stored as correction factors.
If a failure occurs during this calibration routine, an
error message is displayed. Refer to
for the
description of displayed error messages.
Be sure to press
CAL STORE
after running the
CAL
AMPTD
routine.
R
ELATED
S
OFTKEYS
DISPLAY CAL DATA
CAL FREQ
CAL FREQ & AMPTD
CAL FETCH
CAL STORE
CORRECT ON OFF
CAL FETCH
Calibration Fetch
D
ESCRIPTION
CAL FETCH
retrieves the self-calibration correction
factors from the area of memory that retains data when
the analyzer is turned off and places it in working
(volatile) RAM memory.
CAUTION
Pressing
CAL FETCH
clears the correction-data-error flag and can
permit erroneous data to be stored. Use
CAL FETCH
only for
troubleshooting.
R
ELATED
S
OFTKEYS
CAL AMPTD
CAL FREQ
CAL FREQ &TD
CAL STORE
Summary of Contents for 8590L
Page 29: ...30 Chapter1 Introduction If You Replace or Repair an Assembly ...
Page 175: ...176 Chapter2 Making Adjustments 28 Correcting for Absolute Amplitude Accuracy for Option 051 ...
Page 279: ...280 Chapter5 Troubleshooting the IF Section Troubleshooting the A15 Motherboard Assembly ...
Page 347: ...348 Chapter7 Replacing Major Assemblies Rear Frame Assembly ...
Page 355: ...356 Chapter8 If You Have A Problem Returning Your Analyzer for Service ...
Page 379: ...380 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 380: ......
Page 381: ...382 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 382: ......
Page 383: ...384 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 384: ......
Page 385: ...386 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 386: ......
Page 387: ...388 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 388: ......
Page 389: ...390 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 390: ......
Page 391: ...392 Chapter9 Assembly Descriptions and Block Diagrams IF Section ...
Page 392: ...393 10 Analyzer Options and Block Diagrams ...
Page 443: ...444 Chapter10 Analyzer Options and Block Diagrams Option 190 DVB C Service Menus ...
Page 444: ......
Page 445: ...446 Chapter10 Analyzer Options and Block Diagrams Option 190 DVB C Service Menus ...
Page 446: ......
Page 447: ...448 Chapter10 Analyzer Options and Block Diagrams Option 190 DVB C Service Menus ...
Page 448: ......
Page 449: ...450 Chapter10 Analyzer Options and Block Diagrams Option 190 DVB C Service Menus ...
Page 451: ...452 Chapter10 Analyzer Options and Block Diagrams Option 190 DVB C Service Menus ...
Page 483: ...484 Chapter11 Major Assembly and Cable Locations Major Assembly and Cable Locations ...
Page 537: ...538 Chapter12 Replaceable Parts Component Level Information Packets ...
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Page 539: ...540 Chapter12 Replaceable Parts Component Level Information Packets ...
Page 540: ......
Page 541: ...542 Chapter12 Replaceable Parts Component Level Information Packets ...
Page 542: ...FOLDOUT 12 3 8590L AND 8591E RF ASSEMBLY ...
Page 543: ...544 Chapter12 Replaceable Parts Component Level Information Packets ...
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Page 545: ...546 Chapter12 Replaceable Parts Component Level Information Packets ...
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Page 547: ...548 Chapter12 Replaceable Parts Component Level Information Packets ...
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Page 549: ...550 Chapter12 Replaceable Parts Component Level Information Packets ...
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Page 551: ...552 Chapter12 Replaceable Parts Component Level Information Packets ...
Page 665: ...666 Chapter15 Service Equipment and Tools Service Equipment and Tools ...
Page 666: ...667 16 Safety and Regulatory Information ...
Page 673: ...674 Chapter16 Safety and Regulatory Information Protection from Electrostatic Discharge ...