Agilent Technologies S GSM, 8922M manual Burst Delay range 0 through

Screens

Fast Bit Error

10.MS Loopback This field is used to enter or display the Round Trip Delay (RTD) of the mobile (expressed in number of TDMA frames), before bits are compared. The correct number of TDMA frames can be determined automatically by making a Bit Error Test using Auto Mode when the bit error ratio is approximately <20%. Then, if faster measurements are desired or if the bit error ratio exceeds 20%, change the mode to manual.

	Choices	Burst Delay - range 0 through 26.
		Manual
		Auto
		When Compatibility Switch mode is used (refer to Chapter 3,
		Using Compatibility Switch), two additional fields appear under
		the new heading Loopback.
		Bit Error measurements are not automatic when in
		Compatibility Switch mode. The additional fields allow manual
		control of test loop commands to the mobile. When selecting
		Off, an open test loop command is sent to the mobile and
		selecting FAST sends a close test loop command.
	See Also	Screens: Bit Error Test (Manual, Auto)
11. Run/Stop	Run starts a bit error test. Stop discontinues the bit error test in progress.
(Control)

12.Single/Cont Single allows one test to be performed. Cont allows testing to automatically repeat.

(Control)

13.% BE Ratio This field allows you to select between a display showing the percentage of errors (select MHz) and ppm (select W) which gives you the errors in parts-per-million.

See Also Keys: ON/OFF, LO LIMIT, HI LIMIT, REF SET, AVG, Units

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