If You Have a Problem
Error Messages
INVALID TRACENAME: - _ _
Indicates the speciiied trace could not be saved because the trace name is not allowed. To avoid this problem, use an underscore as the second character in the trace name, or avoid beginning the trace name with the following pairs of letters: LB, OA, OL, TA, TB, TR, MA, MF, TS, OT, and DR. (U)
INVALID VALUE PARAMETER: - _ -
The speciEed value parameter is invalid. (U)
INVALID VARDEF: - - _
The speciEed variable name is not allowed. To avoid this problem, use an underscore as the second character in the variable label, or avoid beginning the variable label with the following pairs of letters: LB, OA, OL, TA, TB, TR, MA, MF, TS, OT, and DR. (U)
INVALID WINDOW TYPE: - - -
The speciEed window is invalid. See the description for the TWNDOW programming command. (U)
LO UNLVL
Indicates that the cable TV analyzer local oscillator distribution ampliEer is not functioning properly. (H)
c$ LOCK OFF
Indicates slow YTO tuning. This message may appear if the cable TV analyzer is using default correction factors. If this message appears constantly, perform the CAL FREQ routine to try to eliminate this message. 4 LOCK OFF appears briefly during the CAL FREQ routine, during instrument preset, or when the frequency value is changed; this is normal and does not indicate a problem. (U) and (H)
Marker Count Reduce SPAN
Indicates the resolution bandwidth to span ratio is too small to use the marker count function. Check the span and resolution bandwidth settings. w