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Bit Error 2
18. 0.0 (Reference) This field is used to adjust the reference offset when using the tunable reference.
19. Count or Ratio This field determines how the frame erasures or cyclic-redundancy-check (CRC)
errors will be displayed.
Choices Count displays the number of frame erasures or cyclic-
redundancy-check (CRC) errors.
Ratio displays the ratio of frame erasures or cyclic-redundancy-
check (CRC) errors to total frames.
Type This field selects the type of bit error test results to display. (Res means residual).
Choices TypeIa
ResTypeIa
TypeIB
ResTypeIB
TypeII
ResTypeII
TypeI
ResTypeI
AllFS
ResAllFS
Off
NOTE Intermediate results for measurement type “Off” will return zeros.
21. %, ppm (BE
ratios)
These fields select the units (ppm or %) for BE Ratios, FE, or CRC ratios. When
Count is selected, these fields are blank.
See also Keys: ON/OFF, HI LIMIT, LO LIMIT, REF SET
22. Run/Stop (Meas
Cntl)
Run starts a bit error test. The Speech field in the Cell Control screen will
automatically be set to PRBS. Digital Demod will automatically be armed if it was
disarmed.
Stop discontinues the bit error test in progress.
23. Single/Cont
(Meas Cntl)
Single allows one test to be performed. Cont allows testing to automatically repeat.