3.0 GHz Spectrum Analyzer GSP830 User Manual

3.0 GHz Spectrum Analyzer GSP830 User Manual
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3.0 GHz Spectrum Analyzer GSP830 User Manual

  • GSP-830 User Manual 22 Error Check This section assumes that the GSP-830 is already powered up (page20). 1. Check system error Check for error messages at the bottom of the display, next to the command window. Center : 1.5GHz(EXT Unlock)EXTUnlock Contact the service center if any of the following messages remains in the display. AmpUncal • Inappropriate RBW or VBW is selected. • Frequency is less than 15MHz and amplitude is less than −30dBm. EXTUnlock External reference input is not working properly. LO1Unlock Local oscillator 1 is not working properly. LO3Unlock Local oscillator 3 is not working properly. MedUnlock ±1ppm stability signal is not working properly. Appears only when the optional ±1ppm stability module is installed. RefUnlock Internal reference signal is not working properly. 2. Check self test result View the GSP-830’s self-diagnosis test result. Press the System key→F6 (More) →F2 (Self Test). Self Test...F 2More...F 6System The test automatically runs at each power-up. The underline shows the result, pass or fail. Contact the service center if any of the items fails. GPIBPass FailF 1 GPIB module connectivity (available only when installed) FlashPass FailF 2 Internal Flash memory for storing the system code/data