HP 8920B - Page 232

232
Common Command Descriptions
Refer to the Test Set’s Assemlby Level Repair manual for further informaton on Power-
Up Self Test Failure.
Example BASIC program
10 INTEGER Slf_tst_respons20 OUTPUT 714;"*TST?"
30 ENTER 714;Slf_tst_respons
40 PRINT Slf_tst_respons$
50 END
Example response
512
Table 15 Self-Test Response
Detected Error
Returned
Error
Code
(Decimal)
Error Code Displayed
on Test Set’s CRT
(Hexadecimal)
None (all self-tests passed) 0 0000
68000 Processor Failure 2 0002
ROM Checksum Failure 4 0004
Standard Non-Volatile System RAM Failure 8 0008
Non-Volatile System RAM Failure 16 0010
6840 Timer Chip Failure 32 0020
Real-time Clock Chip Failure 64 0040
Keyboard Failure (stuck key) 128 0080
RS-232 Chip (I/O option installed and not
functioning correctly)
256 0010
Serial Bus Communications Failure with a
Standard Board
512 0200
Signaling Board Self-Test Failure 1024 0400
CRT Controller Self-Test Failure 2048 0800
Miscellaneous Hardware Failure 4096 1000