Agilent Technologies S GSM, 8922M manual Sync Status

Messages

Sync Status

	Sync Status
	This field displays any errors that occurred while trying to synchronize the
	demodulated data. Some screens use this field to display progress during multi-burst
	measurement. When the measurement is completed to field returns to its normal
	state.
Bad Sync (for	This message appears if a synchronization error happened since the last
demodulation only)	Demodulation Arm (when Adjust Mode is disabled) or since the last change to Trig
	Delay (when Adjust Mode is enabled with Demod Arm already selected).
	Possible causes of Bad Sync are:
	• Useful bits occurred while power was too low.
	• Demodulation trigger too early or too late.
	• FM (bit) errors found while synchronizing to desired midamble.
	• RF overload.
FM Error	At least one bit error was detected when comparing the measured midamble to the
	selected Midamble or User Defined Sync Pattern, (Sync Mode=Midamble only).
Level Late	The amplitude of the burst did not rise until after the first few bits were received.
Level Short	The amplitude of the burst fell before the last few bits were received.
Low Level	The DSP analyzer’s RF level did not rise high enough to make a valid measurement.
No Error	No synchronization error occurred.
RF Ovrload	The measurement hardware overloaded during the measurement. (Increase RF
	Analyzer Amplitude setting to correct).
ShortBurst	The amplitude envelope was shorter than the expected burst.

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