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Gw Instek GSP-830Spectrum analyzer, spectrum analyzerBandwidth (RBW) 3/30/300 kHz/4 MHz GSP-830 Hoja De Datos

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GSP-830
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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)
EXT
Unlock
 
Contact the service center if  any of  the following 
messages remains in the display. 
 
Amp
Uncal
 
• 
Inappropriate RBW or VBW is selected. 
• 
Frequency is less than 15MHz and 
amplitude is less than −30dBm. 
 
EXT
Unlock
 
External reference input is not working 
properly. 
 
LO1
Unlock
 
Local oscillator 1 is not working properly. 
 
LO3
Unlock
 
Local oscillator 3 is not working properly. 
 
Med
Unlock
 
±
1ppm stability signal is not working 
properly. Appears only when the optional 
±
1ppm stability module is installed. 
 
Ref
Unlock
 
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   2
More...
F   6
System
 
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. 
 
GPIB
Pass   Fail
F   1
 
GPIB module connectivity 
(available only when installed) 
 
Flash
Pass   Fail
F   2
 
Internal Flash memory for storing 
the system code/data