Keysight N5227B, Service Manual

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3-44 Keysight N5227B Service Guide
Tests and Adjustments
Adjustments
3-
Adjustments
These adjustments are firmware-driven tests that are used to fine-tune your
analyzer.
If multiple adjustments are to be performed, perform them in the order listed.
— “Touchscreen Adjustment and Verification” on page 3-44
— “10 MHz Frequency Reference Adjustment” on page 3-45
— “Synthesizer Bandwidth Adjustment” on page 3-47
— “Source Adjustment” on page 3-47
— “IF Gain Adjustment” on page 3-48
— “Receiver Characterization” on page 3-48
— “Receiver Adjustment” on page 3-49
— “EE Default Adjustment” on page 3-51
— “IF Response Adjustment (Available Only with Option S93093/4A/B and or
S93900/1/2/4/5/7A/B Installed)” on page 3-51
— “LFE Receiver Adjustment – (Available with Option 205, 220, 405, and
420)” on page 3-52
These adjustments are described on the following pages.
Touchscreen Adjustment and Verification
The touchscreen adjustment (calibration) is used to correct the touchscreen
accuracy when you replace your front panel, or your SSD. Refer to “Calibration
Procedure” .
The touchscreen verification can be run to verify the touchscreen has been
correctly calibrated. Refer to “Verification Procedure” on page 3-45 .
Calibration Procedure
Step 1. Verify your instrument is powered up.
Step 2. Press Instrument > Display > Display Setup > Calibrate Touchscreen...
Step 3. In the Table PC Setting window that opens, press Calibrate...
For best results, use a touchscreen soft touch pen for the following
adjustments.
If your touchscreen is not behaving as expected, you can reset your display
using the Table PC Setting window and re-calibrate the touch settings
using the “Calibration Procedure” below.