Entering External Alc Correction Constants For Option 010 Or 011 - Agilent Technologies 8590 Series Service Manual

Analyzers assembly-level repair
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19. Entering External ALC Correction Constants for Option 010 or 011

19. Entering External ALC Correction
Constants for Option 010 or 011
This adjustment applies to:
8590L spectrum analyzers, Option 010 or 011
8591E spectrum analyzers, Option 010 or 011
8591C cable TV analyzers, Option 011
External automatic level control (ALC) operation is corrected by
entering the correction constants (CALTGX slope and offset) into
analyzer memory using the EXECUTE TITLE function.
Correction constants that pertain to each tracking generator are
developed at the factory. The two constants are recorded on a label
which is located on the A7A1 tracking generator control board
assembly.
Equipment Required
No equipment is required for this procedure.
Procedure
1. Record the CAL TGX slope and offset numbers (located on the A7A1
assembly) below.
2. Press the following analyzer keys:
.
More 1 of 2
3. Enter the CALTGX slope and offset correction constants in the
format CALTGX slope, offset;. For example, a slope of 0.3079 and an
offset of 3095 would be entered as:
CALTGX 0.3079,3095;
Chapter 2
Slope =____________________
Offset =____________________
,
DISPLAY
CHANGE TITLE,
Making Adjustments
129

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