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531 RBW (300
Flatness correction data for Resolution Bandwidths <300 Hz not
acceptable.
532 RBW <300
Absolute gain data for Resolution Bandwidths ~300 Hz not
acceptable.
533 RBW <300
ADC timeout using <300 Hz Resolution Bandwidth.
534 RBW (300
Unable to do frequency count of CAL OSC using IF down-converter.
535 RBW <300
Unable to obtain adequate FM demod range to measure 500 Hz IF
filter.
536 RBW <300
Unable to auto-range chirp signal while setting VCXO or doing
flatness calibration for <300 Hz Resolution Bandwidth.
537 RBW <300
Unable to auto-range CW CAL OSC signal to count VCXO signal.
538 RBW <300
Shape of 500 Hz IF filter appears too noisy to adjust VCXO
down-converter.
539 RBW <300
Unable to auto-range the CW CAL OSC signal to pretune VCXO.
540 RBW <300
Unable to find CW CAL OSC signal during VCXO pretune at
power-up.
550 LOG AMPL
CAL Oscillator ID. Indicates incompatible hardware. Cal Osc not
expected
551 LOG AMPL
LOG Board ID. Indicates incompatible hardware. Log board not
expected.
552 LOG AMPL
Unable to adjust amplitude of log scale.
553 LOG AMPL
Unable to adjust amplitude of log scale. Divide by 0-D in CalLogGain
problem.
554 LOG AMPL
Unable to adjust amplitude of log scale. Divide by 0-M in CalLogGain
problem.
555 LOG AMPL
Unable to adjust amplitude of log scale. No TOS-G in CalLogGain.
Unable to adjust amplitude of log scale. No TOS-0 in CalLogGain.
556 LOG AMPL
557 LOG AMPL
Unable to adjust amplitude of log scale. Insufficient IF gain in
Unable to adjust amplitude of log scale. Negative M, 0 in
558 LOG AMPL
CalLogGain.
559 LOG AMPL
Unable to adjust amplitude of log scale. Low MDAC value.
Unable to adjust amplitude of log scale. High MDAC value.
560 LOG AMPL
Unable to adjust amplitude of log scale. Possible problem in Second
561 LOG AMPL
Step Gain/P1 offset in CalLogGain.
Unable to adjust amplitude of log scale. Possible problem in Second
562 LOG AMPL
Step Gain/P2 offset in CalLogGain.
Unable to adjust amplitude of log scale. Possible problem in Third
563 LOG AMPL
Step Gain range in CalLogGain.
6-28 General Troubleshooting
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Troubleshooting
