54200
Users Manual
6-18
*TST? Self-test Query
The instrument automatically checks the RAM, the I
2
C-bus communication to the RF
units, and the communication to the module for Teletext, VPS, PDC, CC, and WSS. The
contents of the register will not be destroyed, and instrument settings remain unchanged.
The test lasts approximately
1 second.
A zero in the response indicates that the self-test has completed without errors detected.
In case of an error, one of the following digits is displayed:
10758 = Hardware Error: No Response from the RF Control
10759 = Hardware Error: No Response from RF Calibration EEPROM
10760 = Hardware Error: Invalid Calibration Data for RF Control
10769 = Hardware Error: No Response from RF Level Calibration EEPROM
10771 = Hardware Error: Invalid Calibration Data for RF Level Control
10817 = Hardware Error: No Response from Teletext Control
10851 = Hardware Error: RAM Test failed
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